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Turnsek G, Paravlic AH. Electromechanical efficiency index of skeletal muscle and its applicability: a systematic review. Front Bioeng Biotechnol 2024; 12:1398047. [PMID: 38784764 PMCID: PMC11111854 DOI: 10.3389/fbioe.2024.1398047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Accepted: 04/17/2024] [Indexed: 05/25/2024] Open
Abstract
Introduction: The electromechanical efficiency of skeletal muscle represents the dissociation between electrical and mechanical events within a muscle. It has been widely studied, with varying methods for its measurement and calculation. For this reason, the purpose of this literature review was to integrate the available research to date and provide more insights about this measure. Methods: A systematic search of the literature was performed across three online databases: PubMed, ScienceDirect, and SPORTDiscus. This yielded 1284 reports, of which 10 met the inclusion criteria. Included studies have used different methods to measure the electromechanical efficiency (EME) index, including electromyography (EMG), mechanomyography and tensiomyography (TMG). Results: The EME index was used to assess muscle conditions such as muscle atrophy, pain syndromes, or to monitor rehabilitation in patients with knee problems, fatigue and the effects of exercise and rehabilitation. TMG has been shown to be one of the most reliable methods to obtain the EME index, but its use precludes obtaining the index during voluntary muscle contractions. Conclusion: Standardizing the EME index is crucial for its diverse applications in clinical, sport, and rehabilitation contexts. Future research should prioritize standardization of measurement protocols for establishing the most repeatable, and reliable approach that can be used for inter-individual comparisons or for assessing an individual for multiple times over a longer period. Systematic Review Registration: https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42023440333 Identifier: CRD42023440333.
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Affiliation(s)
- Gasper Turnsek
- Institute of Kinesiology, Faculty of Sport, University of Ljubljana, Ljubljana, Slovenia
| | - Armin Huso Paravlic
- Institute of Kinesiology, Faculty of Sport, University of Ljubljana, Ljubljana, Slovenia
- Science and Research Centre Koper, Institute for Kinesiology Research, Koper, Slovenia
- Faculty of Sports Studies, Masaryk University, Brno, Czechia
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Szurmik T, Ogrodzka-Ciechanowicz K, Kurzeja P, Gąsienica-Walczak B, Prusak J, Bibrowicz K. Assessment of the functional state of the back muscles in girls with C-shaped low-grade scoliosis in a tensiomyographic image: An observational cross-sectional study. PLoS One 2023; 18:e0292555. [PMID: 37847728 PMCID: PMC10581459 DOI: 10.1371/journal.pone.0292555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 09/22/2023] [Indexed: 10/19/2023] Open
Abstract
PURPOSE The study aimed to test the feasibility of using tensiomyography to assess the functional status of the latissimus dorsi and erector spinae muscles in girls with C-shaped low back scoliosis. MATERIALS AND METHODS Twenty-five girls aged 13-15 took part in an observational (cross-sectional) study. The examination involved measurements using the tensiomyography method (TMG). Two groups of muscles were tested: latissimus dorsi and erector spinae on the concave and convex side of low-grade scoliosis. The following indicators were analyzed: Td-delay time, Tc-contraction time, and Dm-maximal muscle displacement. RESULTS The analysis of Td revealed that values of this variable on the concave side were slightly lower compared to the convex side in both tested groups of muscles. Similarly, Tc values on the concave side were slightly lower than on the convex side of the curvature in both groups of muscles. In the case of Dm, lower displacement values and, consequently, greater muscle rigidity were observed on the concave side of the latissimus dorsi and the convex side of the erector spinae. CONCLUSIONS The TMG method can be potentially used to diagnose the functional condition of muscles in patients with low-grade scoliosis. There were differences between the functional condition of the muscles on the concave and convex sides of the curvature.
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Affiliation(s)
- Tomasz Szurmik
- Faculty of Arts and Educational Science, University of Silesia, Cieszyn, Poland
| | | | - Piotr Kurzeja
- Institute of Health Sciences, Podhale State College of Applied Sciences, Nowy Targ, Poland
| | | | - Jarosław Prusak
- Institute of Health Sciences, Podhale State College of Applied Sciences, Nowy Targ, Poland
| | - Karol Bibrowicz
- Science and Research Center of Body Posture, Kazimiera Milanowska College of Education and Therapy, Poznań, Poland
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Langen G, Lohr C, Ueberschär O, Behringer M. Reproducibility of knee extensor and flexor contraction velocity in healthy men and women assessed using tensiomyography: A registered report. PLoS One 2023; 18:e0288806. [PMID: 37531344 PMCID: PMC10395843 DOI: 10.1371/journal.pone.0288806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Accepted: 06/28/2023] [Indexed: 08/04/2023] Open
Abstract
BACKGROUND Tensiomyography measures the radial displacement of a muscle during an electrically evoked twitch contraction. Different concepts to determine the rate of displacement (Vc) from the maximum twitch exist, but information on their reproducibility is scarce. Further, different inter-stimuli intervals during progressive stimulation are used, but the effect of different intervals on Vc is unclear. OBJECTIVES The first aim of this study was to investigate the within and between-day reliability of the five most frequently used Vc concepts. The second aim was to investigate the effect of different inter-stimuli intervals on Vc. METHODS On two consecutive days, we determined Vc of the biceps femoris long head and rectus femoris of twenty-four healthy subjects. The maximum displacement was determined twice within three minutes on day one and a third time 24 h later. Also, on day two, we applied three blocks of ten consecutive stimuli at a constant intensity of 50 mA, separated by 3 min each. Inter-stimuli intervals in randomly ordered blocks were 10 s, 20 s or 30 s, respectively. RESULTS All Vc concepts displayed good to excellent relative (ICC 0.87-0.99) and generally good absolute within- and between-day reliability for both muscles. Across Vc-concepts, absolute reliability was higher for the rectus femoris (CV% 1.3-7.95%) compared to the biceps femoris (CV% 6.06-15.30%). In both muscles, Vc was generally not affected by different inter-stimuli intervals. For most Vc concepts, repeated stimulation induced an increase regardless of the inter-stimuli interval, but this effect was mainly trivial and small at most. CONCLUSIONS The reproducibility of Vc concepts was generally good but varies between different muscles. A rest interval of 10 s seems preferable to longer intervals for less time required per measurement. Following this initial study, the effect of different inter-stimuli intervals on Vc should be further investigated.
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Affiliation(s)
- Georg Langen
- Department of Sports Sciences, Goethe University Frankfurt, Frankfurt am Main, Germany
- Department of Strength, Power and Technical Sports, Institute for Applied Training Science, Leipzig, Germany
| | | | - Olaf Ueberschär
- Department of Engineering and Industrial Design, Magdeburg-Stendal University of Applied Sciences, Magdeburg, Germany
- Department of Biomechanics and Sport Technology, Institute for Applied Training Science, Leipzig, Germany
| | - Michael Behringer
- Department of Sports Sciences, Goethe University Frankfurt, Frankfurt am Main, Germany
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Labata-Lezaun N, González-Rueda V, Llurda-Almuzara L, López-de-Celis C, Rodríguez-Sanz J, Cadellans-Arróniz A, Bosch J, Pérez-Bellmunt A. Correlation between Physical Performance and Tensiomyographic and Myotonometric Parameters in Older Adults. Healthcare (Basel) 2023; 11:2169. [PMID: 37570409 PMCID: PMC10418601 DOI: 10.3390/healthcare11152169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/27/2023] [Accepted: 07/29/2023] [Indexed: 08/13/2023] Open
Abstract
BACKGROUND To examine the correlation between physical performance and muscle strength and the variables obtained from tensiomyography and myotonometry. METHODS Fifty-two older adults able to complete functional tests participated in this observational study. Variables of maximal radial muscle displacement (Dm) and contraction time (Tc) (using tensiomyography) and muscle stiffness (using myotonometry) of the rectus femoris and vastus lateralis muscles were assessed. Physical performance (Short Physical Performance Battery, Timed Up and Go, Five Times Sit to Stand, and walking speed), isometric knee extension strength, and grip strength were assessed. A correlation analysis was performed between all the variables. RESULTS A significant correlation between the Short Physical Performance Battery and the rectus femoris (rho = 0.491) and vastus lateralis Dm (rho = 0.329) was found. Significant correlations between the Five Times Sit to Stand Test and the Dm values of the rectus femoris (rho = -0.340) and Dm (rho = -0.304), and stiffness (rho = -0.345) in the vastus lateralis, were also found. No significant correlations were found between tensiomyography and myotonometry, the Timed Up and Go, and walking speed, nor between tensiomyography and myotonometry and grip strength or isometric knee extension strength. CONCLUSIONS Functional tests should be prioritized in the assessment of older adults, but further research into muscle quality using technology is advisable.
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Affiliation(s)
- Noé Labata-Lezaun
- Department of Basic Sciences, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, 08195 Sant Cugat del Vallès, Spain; (N.L.-L.); (J.R.-S.); (J.B.); (A.P.-B.)
- ACTIUM Functional Anatomy Group, Universitat Internacional de Catalunya, 08195 Sant Cugat del Vallès, Spain; (V.G.-R.); (L.L.-A.)
| | - Vanessa González-Rueda
- ACTIUM Functional Anatomy Group, Universitat Internacional de Catalunya, 08195 Sant Cugat del Vallès, Spain; (V.G.-R.); (L.L.-A.)
- Physiotherapy Department, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, 08195 Sant Cugat del Vallès, Spain;
- Fundació Institut Universitari per a la Recerca a l’Atenció Primària de Salut Jordi Gol i Gurina (IDIAPJGol), 08007 Barcelona, Spain
| | - Luis Llurda-Almuzara
- ACTIUM Functional Anatomy Group, Universitat Internacional de Catalunya, 08195 Sant Cugat del Vallès, Spain; (V.G.-R.); (L.L.-A.)
- Physiotherapy Department, Faculty of Health Sciences, European University of Gasteiz—EUNEIZ, La Biosfera Ibilbidea, 6, 01013 Vitoria-Gasteiz, Spain
| | - Carlos López-de-Celis
- ACTIUM Functional Anatomy Group, Universitat Internacional de Catalunya, 08195 Sant Cugat del Vallès, Spain; (V.G.-R.); (L.L.-A.)
- Physiotherapy Department, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, 08195 Sant Cugat del Vallès, Spain;
- Fundació Institut Universitari per a la Recerca a l’Atenció Primària de Salut Jordi Gol i Gurina (IDIAPJGol), 08007 Barcelona, Spain
| | - Jacobo Rodríguez-Sanz
- Department of Basic Sciences, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, 08195 Sant Cugat del Vallès, Spain; (N.L.-L.); (J.R.-S.); (J.B.); (A.P.-B.)
- ACTIUM Functional Anatomy Group, Universitat Internacional de Catalunya, 08195 Sant Cugat del Vallès, Spain; (V.G.-R.); (L.L.-A.)
| | - Aida Cadellans-Arróniz
- Physiotherapy Department, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, 08195 Sant Cugat del Vallès, Spain;
| | - Joan Bosch
- Department of Basic Sciences, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, 08195 Sant Cugat del Vallès, Spain; (N.L.-L.); (J.R.-S.); (J.B.); (A.P.-B.)
| | - Albert Pérez-Bellmunt
- Department of Basic Sciences, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, 08195 Sant Cugat del Vallès, Spain; (N.L.-L.); (J.R.-S.); (J.B.); (A.P.-B.)
- ACTIUM Functional Anatomy Group, Universitat Internacional de Catalunya, 08195 Sant Cugat del Vallès, Spain; (V.G.-R.); (L.L.-A.)
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Teraž K, Marusic U, Kalc M, Šimunič B, Pori P, Grassi B, Lazzer S, Narici MV, Blenkuš MG, di Prampero PE, Reggiani C, Passaro A, Biolo G, Gasparini M, Pišot R. Sarcopenia parameters in active older adults - an eight-year longitudinal study. BMC Public Health 2023; 23:917. [PMID: 37208654 DOI: 10.1186/s12889-023-15734-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 04/22/2023] [Indexed: 05/21/2023] Open
Abstract
BACKGROUD Sarcopenia is a common skeletal muscle syndrome that is common in older adults but can be mitigated by adequate and regular physical activity. The development and severity of sarcopenia is favored by several factors, the most influential of which are a sedentary lifestyle and physical inactivity. The aim of this observational longitudinal cohort study was to evaluate changes in sarcopenia parameters, based on the EWGSOP2 definition in a population of active older adults after eight years. It was hypothesized that selected active older adults would perform better on sarcopenia tests than the average population. METHODS The 52 active older adults (22 men and 30 women, mean age: 68.4 ± 5.6 years at the time of their first evaluation) participated in the study at two time points eight-years apart. Three sarcopenia parameters were assessed at both time points: Muscle strength (handgrip test), skeletal muscle mass index, and physical performance (gait speed), these parameters were used to diagnose sarcop0enia according to the EWGSOP2 definition. Additional motor tests were also performed at follow-up measurements to assess participants' overall fitness. Participants self-reported physical activity and sedentary behavior using General Physical Activity Questionnaire at baseline and at follow-up measurements. RESULTS In the first measurements we did not detect signs of sarcopenia in any individual, but after 8 years, we detected signs of sarcopenia in 7 participants. After eight years, we detected decline in ; muscle strength (-10.2%; p < .001), muscle mass index (-5.4%; p < .001), and physical performance measured with gait speed (-28.6%; p < .001). Similarly, self-reported physical activity and sedentary behavior declined, too (-25.0%; p = .030 and - 48.5%; p < .001, respectively). CONCLUSIONS Despite expected lower scores on tests of sarcopenia parameters due to age-related decline, participants performed better on motor tests than reported in similar studies. Nevertheless, the prevalence of sarcopenia was consistent with most of the published literature. TRIAL REGISTRATION The clinical trial protocol was registered on ClinicalTrials.gov, identifier: NCT04899531.
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Affiliation(s)
- Kaja Teraž
- Institute for Kinesiology Research, Science and Research Centre Koper, Koper, Slovenia.
- Faculty of Sport, University of Ljubljana, Ljubljana, Slovenia.
| | - Uros Marusic
- Institute for Kinesiology Research, Science and Research Centre Koper, Koper, Slovenia
- Department of Health Sciences, Alma Mater Europaea - ECM, Maribor, Slovenia
| | - Miloš Kalc
- Institute for Kinesiology Research, Science and Research Centre Koper, Koper, Slovenia
- Faculty of Medicine, University of Maribor, Maribor, Slovenia
| | - Boštjan Šimunič
- Institute for Kinesiology Research, Science and Research Centre Koper, Koper, Slovenia
| | - Primož Pori
- Faculty of Sport, University of Ljubljana, Ljubljana, Slovenia
| | - Bruno Grassi
- Department of Medicine, University of Udine, Udine, Italy
| | - Stefano Lazzer
- Department of Medicine, University of Udine, Udine, Italy
| | | | | | - Pietro Enrico di Prampero
- Emeritus Professor of Physiology, University of Udine, Udine, Italy
- Department of Sport Science, Exelio SRL, Udine, Italy
| | - Carlo Reggiani
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Angelina Passaro
- Department of Translational Medicine, University of Ferrara, Ferrara, Italy
- Medical Department, University Hospital of Ferrara Arcispedale Sant'Anna, Ferrara, Italy
| | - Gianni Biolo
- Department of Medicine, Surgery and Health Sciences, University of Trieste, Trieste, Italy
| | - Mladen Gasparini
- Department of General Surgery, Izola General Hospital, Izola, Slovenia
| | - Rado Pišot
- Institute for Kinesiology Research, Science and Research Centre Koper, Koper, Slovenia
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Kalc M, Puš K, Paravlic A, Urbanc J, Šimunič B. Diagnostic accuracy of Tensiomyography parameters for monitoring peripheral neuromuscular fatigue. J Electromyogr Kinesiol 2023; 70:102775. [PMID: 37068408 DOI: 10.1016/j.jelekin.2023.102775] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 04/07/2023] [Accepted: 04/09/2023] [Indexed: 04/19/2023] Open
Abstract
The diagnostic accuracy of tensiomyography (TMG) parameters compared to the gold standard in neuromuscular fatigue evaluation using voluntary and electrically induced muscle activation is unclear. This study aimed to investigate the diagnostic accuracy of TMG parameters to detect individual changes after interventions that were designed to induce central or peripheral fatigue. Nineteen males (age: 32.2 ± 9.3 years) performed two interventions, consisting of maintaining 25% of maximal voluntary contraction (MViC25%) and a 30 s all-out cycling test (Wingate), respectively. TMG parameters, maximum voluntary contraction (PtMViC), voluntary activation (VA%) and electrically elicited double twitches (Dtw) were assessed on the knee extensors before (PRE), one minute (POST) and seven minutes after (POST7) the intervention. The diagnostic accuracy (AUC) of TMG parameters were evaluated in comparison to two criteria measures (PtMViC and Dtw). RM ANOVA revealed a significant interaction between the effects of intervention and time on VA% (p = 0.001) and Dtw (p < 0.001) but not for PtMViC (p = 0.420). AUC showed that TMG parameters had a good ability in detecting muscular fatigue assessed by Dtw but not by PtMViC. The results of the current study suggest that TMG parameters can be used to monitor peripheral neuromuscular fatigue.
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Affiliation(s)
- Miloš Kalc
- University of Maribor, Faculty of Medicine, Institute of Sports Medicine, Maribor, Slovenia; Science and Research Centre Koper, Institute for Kinesiology Research, Koper, Slovenia.
| | - Katarina Puš
- Science and Research Centre Koper, Institute for Kinesiology Research, Koper, Slovenia; University of Ljubljana, Faculty of Sport, Ljubljana, Slovenia; Department of Health Sciences, Alma Mater Europaea - ECM, Maribor, Slovenia
| | - Armin Paravlic
- Science and Research Centre Koper, Institute for Kinesiology Research, Koper, Slovenia; University of Ljubljana, Faculty of Sport, Ljubljana, Slovenia; Faculty of Sports Studies, Masaryk University, Brno, Czech Republic
| | - Jure Urbanc
- Science and Research Centre Koper, Institute for Kinesiology Research, Koper, Slovenia
| | - Boštjan Šimunič
- Science and Research Centre Koper, Institute for Kinesiology Research, Koper, Slovenia
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Ipavec M, Kukec Ž, Kacin A. Comparison of tensiomyographic contractile properties of the knee muscles between endurance and power athletes. ISOKINET EXERC SCI 2023. [DOI: 10.3233/ies-230010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Abstract
BACKGROUND: Postactivation potentiation (PAP) enhances contractility of skeletal muscle whereas fatigue deteriorates it. Available evidence suggests that the two phenomena may express differently in endurance and power athletes. OBJECTIVE: To compare the patterns of change in knee muscle contractility induced by PAP and fatigue between endurance and power athletes. METHODS: Eleven endurance and ten power athletes (age: 18–33 years) performed isokinetic fatigue and isometric PAP protocols with knee extensors and flexors on computerised dynamometer. Tensiomyography (TMG) of the vastus medialis and semitendinosus muscle medialis was performed before the protocols and during a 10-min recovery. RESULTS: The changes in TMG profile were most pronounced in the vastus medialis of power athletes following the PAP protocol and least pronounced in the semitendinosus of the endurance athletes following the fatigue protocol. The differences between athlete types were most significant for the time-domain TMG parameters of vastus medialis. A significant correlation (r= 0.51–0.73) between the fatigue indices and changes in TMG parameters was observed for the vastus medialis muscle only. CONCLUSIONS: The results show that the TMG patterns of PAP and fatigue in the vastus muscle differ between endurance and power athletes. In this muscle, the changes in TMG parameters are also strongly associated with the degree of fatigue.
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Sensor location affects skeletal muscle contractility parameters measured by tensiomyography. PLoS One 2023; 18:e0281651. [PMID: 36758055 PMCID: PMC9910630 DOI: 10.1371/journal.pone.0281651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 01/30/2023] [Indexed: 02/10/2023] Open
Abstract
Tensiomyography (TMG) is a non-invasive method for measuring contractile properties of skeletal muscle that is increasingly being used in research and practice. However, the lack of standardization in measurement protocols mitigates the systematic use in sports medical settings. Therefore, this study aimed to investigate the effects of lower leg fixation and sensor location on TMG-derived parameters. Twenty-two male participants underwent TMG measurements on the m. biceps femoris (BF) in randomized order with and without lower leg fixation (fixed vs. non-fixed). Measurements were conducted at 50% of the muscle's length (BF-mid) and 10 cm distal to this (BF-distal). The sensor location affected the contractile properties significantly, both with and without fixation. Delay time (Td) was greater at BF-mid compared to BF-distal (fixed: 23.2 ± 3.2 ms vs. 21.2 ± 2.7 ms, p = 0.002; non-fixed: 24.03 ± 4.2 ms vs. 21.8 ± 2.7 ms, p = 0.008), as were maximum displacement (Dm) (fixed: 5.3 ± 2.7 mm vs. 3.5 ± 1.7 mm, p = 0.005; non-fixed: 5.4 ± 2.5 mm vs. 4.0 ± 2.0 mm, p = 0.03), and contraction velocity (Vc) (fixed: 76.7 ± 25.1 mm/s vs. 57.2 ± 24.3 mm/s, p = 0.02). No significant differences were revealed for lower leg fixation (all p > 0.05). In summary, sensor location affects the TMG-derived parameters on the BF. Our findings help researchers to create tailored measurement procedures in compliance with the individual goals of the TMG measurements and allow adequate interpretation of TMG parameters.
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Kusumoto Y, Goto H, Chiba K, Oonishi S, Tsuchiya J. Characteristics of muscle contraction of the rectus femoris using tensiomyography by sex in healthy college students: a cross-sectional study. PeerJ 2023; 11:e14732. [PMID: 36655037 PMCID: PMC9841898 DOI: 10.7717/peerj.14732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 12/20/2022] [Indexed: 01/15/2023] Open
Abstract
Background Tensiomyography (TMG) is a non-invasive instrument for measuring mechanical muscle contraction characteristics and measuring the maximum displacement of the muscle belly in the radial direction with respect to the muscle and the time needed to achieve this from electrical stimulation. There have been only been a reports of TMG in healthy adults. A systematic review of TMG reported a low proportion of female participants, with a small sample size. Therefore, it is unclear whether there is a difference in TMG parameters according to sex and between dominant and non-dominant feet. Furthermore, the relationship between TMG parameters and evaluations commonly used in clinical practice has not been clarified. This study aimed to clarify the characteristics of muscle contraction of the rectus femoris using TMG according to sex among healthy college students and its relationship with muscle function evaluation, such as lower limb muscle mass and muscle strength. Methods This cross-sectional study included 91 healthy university students (18-24 years). Five tools were used: TMG, lower-limb muscle mass, rectus femoris thickness, isometric knee joint extension torque, and thigh circumference. Each parameter was compared by the generalized linear mixed model (GLMM) and Bonferroni's multiple comparison test, with sex as the without-subject factor and dominant/non-dominant foot as the within-subject factor. The correlation between the TMG parameters and other parameters was examined using Pearson's correlation coefficient for both males and females. Results The results of the GLMM, in terms of the TMG parameters, an interaction was observed for maximum displacement (Dm); in the results of the multiple comparison test, Dm for the non-dominant leg was significantly lower in females than in males. A main effect and interaction were not observed for delay time (Td) and contraction time (Tc) by sex, dominant foot, or non-dominant foot. There was a main effect of sex on muscle function evaluation parameters (ρ ≤ 0.05). The correlation between TMG parameters for males and females and lower limb muscle mass, muscle thickness, joint torque, and thigh circumference were significantly correlated with some TMG parameters, lower limb muscle mass and muscle thickness (ρ ≤ 0.05). The absolute value of the correlation coefficient was low overall (0.20-0.38). Conclusion In healthy college students, TMG parameters for the rectus femoris showed sex differences in Dm, and there was a weak correlation between TMG parameters and lower limb muscle mass. TMG parameter evaluation may indicate a different function compared to the traditional muscle function assessment used in clinical practice. When using the Dm of the TMG as an evaluation battery for the rectus femoris muscle, it is important to consider sex-related differences.
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Affiliation(s)
- Yasuaki Kusumoto
- Department of Physical Therapy, Fukushima Medical University School of Health Sciences, Fukushima city, Fukushima, Japan
| | | | - Kohei Chiba
- Department of Rehabilitation, Japanese Red Cross Medical Center, Shibuya-ku, Tokyo, Japan
| | - Sakiko Oonishi
- Major of Physical Therapy, Department of Rehabilitation, Tokyo University of Technology, Ohta-ku, Tokyo, Japan
| | - Junko Tsuchiya
- Major of Physical Therapy, Department of Rehabilitation, Tokyo University of Technology, Ohta-ku, Tokyo, Japan
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Labata-Lezaun N, Canet-Vintró M, López-de-Celis C, Rodríguez-Sanz J, Aiguadé R, Cuadra-Llopart L, Jovell-Fernández E, Bosch J, Pérez-Bellmunt A. Effectiveness of a Multicomponent Training Program on Physical Performance and Muscle Quality in Older Adults: A Quasi-Experimental Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 20:222. [PMID: 36612544 PMCID: PMC9819718 DOI: 10.3390/ijerph20010222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/15/2022] [Accepted: 12/20/2022] [Indexed: 06/17/2023]
Abstract
Aging is associated with a decrease in functional capacity, manifested by a loss of strength, physical performance and muscle quality. Multicomponent training (MCT), characterized by the combination of at least three types of training, could be a good strategy to counteract these changes. To date there are no studies evaluating the effectiveness of MCT in improving both physical performance and muscle quality simultaneously. The aim of this study is to evaluate the changes produced by an MCT program on both physical performance and muscle quality in a population of healthy older adults. Sixteen healthy older adults were recruited to perform a 15-session multicomponent training intervention. Physical performance was assessed by different functional tests, and muscle quality was assessed by tensiomyography and myotonometry. The main results of this study show some improvement in functional tests, but not in muscle quality parameters, except for vastus lateralis stiffness. MCT is able to generate improvements in the physical performance of older adults, but these improvements are not reflected in muscle quality parameters measured by tensiomyography and myotonometry.
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Affiliation(s)
- Noé Labata-Lezaun
- Faculty of Medicine and Health Sciences, Universitat International de Catalunya, 08195 Barcelona, Spain
- ACTIUM Functional Anatomy Group, 08195 Barcelona, Spain
| | - Max Canet-Vintró
- Faculty of Medicine and Health Sciences, Universitat International de Catalunya, 08195 Barcelona, Spain
- ACTIUM Functional Anatomy Group, 08195 Barcelona, Spain
| | - Carlos López-de-Celis
- Faculty of Medicine and Health Sciences, Universitat International de Catalunya, 08195 Barcelona, Spain
- ACTIUM Functional Anatomy Group, 08195 Barcelona, Spain
- Fundació Institut Universitari per a la Recerca a l’Atenció Primària de Salut Jordi Gol i Gurina (IDIAPJGol), 08007 Barcelona, Spain
| | - Jacobo Rodríguez-Sanz
- Faculty of Medicine and Health Sciences, Universitat International de Catalunya, 08195 Barcelona, Spain
- ACTIUM Functional Anatomy Group, 08195 Barcelona, Spain
| | - Ramón Aiguadé
- Nursing and Physiotherapy Department, Universitat de Lleida, 25198 Lleida, Spain
| | - Leonor Cuadra-Llopart
- Department of Geriatric Medicine, Consorci Sanitari de Terrassa, 08227 Terrassa, Spain
| | | | - Joan Bosch
- Faculty of Medicine and Health Sciences, Universitat International de Catalunya, 08195 Barcelona, Spain
| | - Albert Pérez-Bellmunt
- Faculty of Medicine and Health Sciences, Universitat International de Catalunya, 08195 Barcelona, Spain
- ACTIUM Functional Anatomy Group, 08195 Barcelona, Spain
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Langen G, Sandau I, Ueberschär O, Nosaka K, Behringer M. Methodical approaches to determine the rate of radial muscle displacement using tensiomyography: A scoping review and new reporting guideline. J Electromyogr Kinesiol 2022; 67:102702. [PMID: 36183503 DOI: 10.1016/j.jelekin.2022.102702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 07/30/2022] [Accepted: 08/31/2022] [Indexed: 12/14/2022] Open
Abstract
Tensiomyography is a non-invasive method to assess skeletal muscle contractile properties from the stimulated radial displacement. Many studies have used the rate of displacement (Vc) as an indirect measure of muscle contraction velocity. However, no standardised methodical approach exists to measure displacement and determine Vc. This review aimed to provide an overview of concepts to determine Vc and measurement protocols to foster the development of a standardised methodical approach. This review followed the Preferred Reporting Items for Systematic Reviews and meta-Analyses extension for Scoping Reviews (PRISMA-ScR) guideline. Systematic searches were performed within five electronic databases and additional sources. The included 62 studies reported 10 different concepts to determine Vc, which we summarised in three groups. The determination concepts differed mainly regarding time intervals during the contraction phase considered and criteria used to define these intervals. Essential information on the equipment and raters, measurement setup, electrical stimulation procedure, and data analysis were frequently not reported. In conclusion, no consensus on how to determine Vc existed. Incomplete reporting of measurement protocols hindered study comparison, which obstructs developing a standardised approach. Therefore, we propose a new guideline for reporting measurement protocols, which covers the 1) equipment and rater, 2) measurement setup, including positioning of the subject, sensor and electrodes, 3) electrical stimulation, including initial stimulation amplitude, increment, and endpoint, and 4) data analysis, including selection criteria and number of analysed signals and a definition of derived parameters.
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Affiliation(s)
- G Langen
- Department of Sports Medicine and Performance Physiology, Goethe University Frankfurt, Frankfurt, Germany; Department of Strength Power and Technical Sports, Institute for Applied Training Science, Leipzig, Germany.
| | - I Sandau
- Department of Strength Power and Technical Sports, Institute for Applied Training Science, Leipzig, Germany
| | - O Ueberschär
- Department of Engineering and Industrial Design, Magdeburg-Stendal University of Applied Sciences, Magdeburg, Germany; Department of Biomechanics, Institute for Applied Training Science, Leipzig, Germany
| | - K Nosaka
- Centre for Human Performance, School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA, Australia
| | - M Behringer
- Department of Sports Medicine and Performance Physiology, Goethe University Frankfurt, Frankfurt, Germany
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Tensiomyography Allows to Discriminate between Injured and Non-Injured Biceps Femoris Muscle. BIOLOGY 2022; 11:biology11050746. [PMID: 35625474 PMCID: PMC9138955 DOI: 10.3390/biology11050746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 05/01/2022] [Accepted: 05/10/2022] [Indexed: 11/16/2022]
Abstract
The hamstring muscle group is the most frequently injured muscle group in non-contact muscle injuries in sports involving high-speed running. A total of 84% of hamstring injuries affect the biceps femoris (BF) muscle. Clinical assessments and magnetic resonance imaging (MRI) are routinely used for diagnosis and plan management. MRI-negative scans for clinically diagnosed hamstring injuries range from 14% to 45%. We tested the hypothesis that the functional differences between injured and non-injured BF assessed by tensiomyography can be used for diagnostic and classification purposes. We compared an injured group of 53 international-level soccer players and sprinters with 53 non-injured international-level soccer players and sprinters of both sexes. Comparing the injured vs. non-injured athletes and the left vs. right side in all of the athletes, we used the percentage of absolute differences in the BF contraction time (Tc) to classify non-injured and injured BF muscles. The receiver operating characteristic (ROC) curve and the area under the curve (AUC) and the precision−recall curve (PRC) were used to measure the classification accuracy and to identify cut-off limits using the Tc differences. There was a very high ROC AUC value of 0.981 (SE = 0.009, p < 0.000), with 98.11% of the injured muscles being correctly classified (cut-off point 12.50% on Tc differences), and an AUPRC value of 0.981, with association classification criteria at >9.87. Tensiomyography has a high predictive ability to discriminate between injured and non-injured BF non-invasively and functionally.
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Melo ASC, Cruz EB, Vilas-Boas JP, Sousa ASP. Scapular Dynamic Muscular Stiffness Assessed through Myotonometry: A Narrative Review. SENSORS 2022; 22:s22072565. [PMID: 35408180 PMCID: PMC9002787 DOI: 10.3390/s22072565] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 03/21/2022] [Accepted: 03/23/2022] [Indexed: 02/04/2023]
Abstract
Several tools have been used to assess muscular stiffness. Myotonometry stands out as an accessible, handheld, and easy to use tool. The purpose of this review was to summarize the psychometric properties and methodological considerations of myotonometry and its applicability in assessing scapular muscles. Myotonometry seems to be a reliable method to assess several muscles stiffness, as trapezius. This method has been demonstrated fair to moderate correlation with passive stiffness measured by shear wave elastography for several muscles, as well as with level of muscle contraction, pinch and muscle strength, Action Research Arm Test score and muscle or subcutaneous thickness. Myotonometry can detect scapular muscles stiffness differences between pre- and post-intervention in painful conditions and, sometimes, between symptomatic and asymptomatic subjects.
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Affiliation(s)
- Ana S. C. Melo
- Center for Rehabilitation Research—Human Movement System (Re)habilitation Area, Department of Physiotherapy, School of Health, Polytechnic of Porto, Rua Dr. António Bernardino de Almeida, 400, 4200-072 Porto, Portugal;
- Research Centre in Physical Activity, Health and Leisure, Faculty of Sport, University of Porto, Rua Dr. Plácido Costa, 91, 4200-450 Porto, Portugal
- Porto Biomechanics Laboratory (LABIOMEP-UP), University of Porto, Rua Dr. Plácido Costa, 91, 4200-450 Porto, Portugal;
- Center for Interdisciplinary Applied Research in Health, School of Health, Setubal Polytechnic Institute, Campus do IPS Estefanilha, 2914-503 Setubal, Portugal
| | - Eduardo B. Cruz
- Department of Physiotherapy, School of Health, Setubal Polytechnic Institute, Campus do IPS Estefanilha, 2914-503 Setubal, Portugal;
- Comprehensive Health Research Center (CHRC), Universidade Nova de Lisboa, 1169-056 Lisboa, Portugal
| | - João Paulo Vilas-Boas
- Porto Biomechanics Laboratory (LABIOMEP-UP), University of Porto, Rua Dr. Plácido Costa, 91, 4200-450 Porto, Portugal;
- Centre of Research, Education, Innovation and Intervention in Sport (CIFI2D), Faculty of Sport, University of Porto, Rua Dr. Plácido Costa, 91, 4200-450 Porto, Portugal
| | - Andreia S. P. Sousa
- Center for Rehabilitation Research—Human Movement System (Re)habilitation Area, Department of Physiotherapy, School of Health, Polytechnic of Porto, Rua Dr. António Bernardino de Almeida, 400, 4200-072 Porto, Portugal;
- Correspondence: or
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Kojić F, Mandić D, Ilić V. Resistance training induces similar adaptations of upper and lower-body muscles between sexes. Sci Rep 2021; 11:23449. [PMID: 34873221 PMCID: PMC8648816 DOI: 10.1038/s41598-021-02867-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 11/19/2021] [Indexed: 11/25/2022] Open
Abstract
The purpose of the study was to compare sex adaptations in hypertrophy, strength and contractile properties of upper and lower-body muscles induced by resistance training (RT). Eighteen RT untrained male (MG) and female (FG) students (aged 24.1 ± 1.7 years, height: 1.75 ± 0.08 m, weight: 70.4 ± 12.3 kg) undervent 7 weeks of biceps curl and squat training (2 days/week, 60–70% repetition maximum, 3–4 sets, 120 s rest intervals, reps until muscular failure). At baseline and final measurement, thickness and cross-section area, one-repetition maximum and tensiomyography parameters (contraction time − Tc and radial displacement − Dm) of elbow flexors (biceps brachii) and knee extensors (4 quadriceps muscles) were evaluated. Although MG tends to display greater absolute strength gains for upper- (p = 0.055) and lower-body (p = 0.098), for relative changes ANCOVA revealed no sex-specific differences for either of the tested variables. Significant hypertrophy was observed for all tested muscles, except for vastus intermedius in FG (p = 0.076). The Dm significantly decreased for biceps brachii (MG by 12%, p < 0.01 and FG by 13.1%, p < 0.01) and rectus femoris (MG by19.2%, p < 0.01 and FG by 12.3%, p < 0.05), while Tc values remain unchanged. These results indicate that initial morphological, functional and contractile alterations following RT are similar for males and females, and that there are no specific sex adaptations either for the upper- or lower-body muscles. The study was registered with ClinicalTrials.gov (NCT04845295).
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Affiliation(s)
- Filip Kojić
- Teacher Education Faculty, University of Belgrade, Kraljice Natalije 43, Belgrade, 11000, Serbia.
| | - Danimir Mandić
- Teacher Education Faculty, University of Belgrade, Kraljice Natalije 43, Belgrade, 11000, Serbia
| | - Vladimir Ilić
- Faculty of Sport and Physical Education, University of Belgrade, Belgrade, Serbia
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Mur-Gimeno E, Sebio-Garcia R, Solé J, Lleida A, Moras G. Short-term effects of two different recovery strategies on muscle contractile properties in healthy active men: A randomised cross-over study. J Sports Sci 2021; 40:646-654. [PMID: 34852731 DOI: 10.1080/02640414.2021.2010978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The aim of this study was to compare the immediate effects of cold-water immersion (CWI) and hot-water immersion (HWI) versus passive resting after a fatigue-induced bout of exercise on the muscle contractile properties of the Vastus Medialis (VM). We conducted a randomised cross-over study involving 28 healthy active men where muscle contractile properties of the VM wer recorded using Tensiomyography (TMG) before and after CWI, HWI or passive resting and up to one-hour post-application. The main outcomes obtained were muscle displacement and velocity of deformation according to limb size (Dmr and Vdr). Our results showed a significant effect of time (F(3.9,405) =32.439; p <0.001; η2p =0.29) and the interaction between time and temperature (F(7.9,405) =5.814; p <0.001; η2p=0.13) on Dmr but no for temperature alone (F(2,81) =2.013; p =0.14; η2p=0.04) while for Vdr, both time (F(5.2,486) =23.068; p <0.001 η2p = 0.22) and temperature (F(2,81) =4.219; p = 0.018; η2p= 0.09) as well as the interaction (F(10.4,486) =7.784; p <0.001; η2p =0.16) were found significant. Compared to CWI, HWI increased Dmr post-application and Vdr both post-application as well as 15 and 45' thereafter. These findings suggest that applying HWI could be a valid alternative to CWI to promote muscle recovery.
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Affiliation(s)
- Esther Mur-Gimeno
- School of Health Sciences TecnoCampus, University Pompeu Fabra, Mataró, Spain.,Research Group in Attention to Chronicity and Innovation in Health (GRACIS), University Pompeu Fabra, Mataró, Spain
| | - Raquel Sebio-Garcia
- Research Group in Attention to Chronicity and Innovation in Health (GRACIS), University Pompeu Fabra, Mataró, Spain.,Department of Rehabilitation, Hospital Clínic, de Barcelona, Barcelona, Spain
| | - Joan Solé
- High Performance Department, National Institute of Physical Education. Barcelona, Spain
| | - Agustín Lleida
- Team Technical Staff, Liga Deportiva Alajuelense, Alajuela, Costa Rica
| | - Gerard Moras
- High Performance Department, National Institute of Physical Education. Barcelona, Spain
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Muscle Contractile Properties Measured at Submaximal Electrical Amplitudes and Not at Supramaximal Amplitudes Are Associated with Repeated Sprint Performance and Fatigue Markers. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182111689. [PMID: 34770202 PMCID: PMC8582878 DOI: 10.3390/ijerph182111689] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Revised: 11/03/2021] [Accepted: 11/05/2021] [Indexed: 11/25/2022]
Abstract
Background: The present study analyzes the associations between the muscle contractile properties (MCP) measured at different neuromuscular electrical stimulation amplitudes (NMESa) and the performance or transient fatigue after a bout of repeated sprints. Methods: Seventeen physically active male subjects performed six repeated sprints of 30 m with 30 s of passive recovery. Capillary blood creatine kinase (CK) concentration, knee extension or flexion isometric peak torque, tensiomyography, and repeated sprint performance were assessed. Results: Muscle displacement and contraction time were different in relation to the NMESa used in the rectus femoris and biceps femoris muscles. At rest, significant (p < 0.05) associations were found between muscle displacement and the loss of time in the repeated sprints (sprint performance) at 20 or 40 mA in the rectus femoris. At post +24 h or +48 h, the highest significant associations were found between the muscle displacement or the contraction time and CK or peak torques also at submaximal amplitudes (20 mA). The NMESa which elicits the peak muscle displacement showed lack of practical significance. Conclusion: Although MCP are typically assessed in tensiomyography using the NMESa that elicit peak muscle displacement, a submaximal NMESa may have a higher potential practical application to assess neuromuscular fatigue in response to repeated sprints.
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Tensiomyographic changes of muscle contractile properties in individuals with lower-limb amputation: A pilot study. Prosthet Orthot Int 2021; 45:350-354. [PMID: 33856152 DOI: 10.1097/pxr.0000000000000011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 12/06/2020] [Indexed: 02/03/2023]
Abstract
BACKGROUND Individuals with a unilateral lower-limb amputation (LLA) rely heavily on their intact limb during daily physical activities. However, there is limited research on the resultant effects of this over-reliance on contractile properties of muscles in the intact limb. OBJECTIVE To compare the muscle contractile properties of the intact limb among individuals with a unilateral LLA to those of age-matched able-bodied individuals, using tensiomyography. STUDY DESIGN This is a cross-sectional, observational study. METHODS Nine men with a unilateral LLA and 10 able-bodied men (control) were included. Tensiomyography measures were obtained for 5 muscles: gastrocnemius lateralis (GL) and medialis (GM), rectus femoris, vastus lateralis (VL), and vastus medialis. Contraction time (Tc), delay time (Td), maximal displacement (Dm), and velocity of deformation (Vd) for each muscle were compared between groups. RESULTS Tc and Td for the GL and GM muscles were lower for the LLA than the control group (GL: P = .03, r = -0.51, P < .01, r = 0.67; GM: P = .02, r = 0.53, P = .07, r = 0.54, respectively). Dm and Vd of the VL were significantly smaller in the LLA than the control group (P < .01, r = 0.73, P < .01, r = 0.23, respectively). CONCLUSIONS Men with a unilateral LLA seem to have slower deformation of the gastrocnemius muscles and higher stiffness of the VL than able-bodied controls. These findings may be indicative of an overuse of the intact limb as a compensation for the unilateral LLA. The confirmation of these findings in a larger sample size is required to translate these findings to practice.
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Roth C, Rettenmaier L, Behringer M. High-Protein Energy-Restriction: Effects on Body Composition, Contractile Properties, Mood, and Sleep in Active Young College Students. Front Sports Act Living 2021; 3:683327. [PMID: 34212136 PMCID: PMC8239143 DOI: 10.3389/fspor.2021.683327] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Accepted: 05/18/2021] [Indexed: 12/15/2022] Open
Abstract
Background: It is often advised to ensure a high-protein intake during energy-restricted diets. However, it is unclear whether a high-protein intake is able to maintain muscle mass and contractility in the absence of resistance training. Materials and Methods: After 1 week of body mass maintenance (45 kcal/kg), 28 male college students not performing resistance training were randomized to either the energy-restricted (ER, 30 kcal/kg, n = 14) or the eucaloric control group (CG, 45 kcal/kg, n = 14) for 6 weeks. Both groups had their protein intake matched at 2.8 g/kg fat-free-mass and continued their habitual training throughout the study. Body composition was assessed weekly using multifrequency bioelectrical impedance analysis. Contractile properties of the m. rectus femoris were examined with Tensiomyography and MyotonPRO at weeks 1, 3, and 5 along with sleep (PSQI) and mood (POMS). Results: The ER group revealed greater reductions in body mass (Δ -3.22 kg vs. Δ 1.90 kg, p < 0.001, partial η 2 = 0.360), lean body mass (Δ -1.49 kg vs. Δ 0.68 kg, p < 0.001, partial η 2 = 0.152), body cell mass (Δ -0.85 kg vs. Δ 0.59 kg, p < 0.001, partial η 2 = 0.181), intracellular water (Δ -0.58 l vs. Δ 0.55 l, p < 0.001, partial η 2 = 0.445) and body fat percentage (Δ -1.74% vs. Δ 1.22%, p < 0.001, partial η 2 = 433) compared to the CG. Contractile properties, sleep onset, sleep duration as well as depression, fatigue and hostility did not change (p > 0.05). The PSQI score (Δ -1.43 vs. Δ -0.64, p = 0.006, partial η 2 = 0.176) and vigor (Δ -2.79 vs. Δ -4.71, p = 0.040, partial η 2 = 0.116) decreased significantly in the ER group and the CG, respectively. Discussion: The present data show that a high-protein intake alone was not able to prevent lean mass loss associated with a 6-week moderate energy restriction in college students. Notably, it is unknown whether protein intake at 2.8 g/kg fat-free-mass prevented larger decreases in lean body mass. Muscle contractility was not negatively altered by this form of energy restriction. Sleep quality improved in both groups. Whether these advantages are due to the high-protein intake cannot be clarified and warrants further study. Although vigor was negatively affected in both groups, other mood parameters did not change.
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Affiliation(s)
- Christian Roth
- Department of Sports Medicine and Exercise Physiology, Institute of Sport Sciences, Goethe University Frankfurt, Frankfurt, Germany
| | - Lukas Rettenmaier
- Department of Sports Medicine and Exercise Physiology, Institute of Sport Sciences, Goethe University Frankfurt, Frankfurt, Germany
| | - Michael Behringer
- Department of Sports Medicine and Exercise Physiology, Institute of Sport Sciences, Goethe University Frankfurt, Frankfurt, Germany
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Tashiro T, Maeda N, Sasadai J, Kotoshiba S, Sakai S, Suzuki Y, Fujishita H, Urabe Y. Tensiomyographic Neuromuscular Response of the Peroneus Longus and Tibialis Anterior with Chronic Ankle Instability. Healthcare (Basel) 2021; 9:healthcare9060707. [PMID: 34200684 PMCID: PMC8230383 DOI: 10.3390/healthcare9060707] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 06/01/2021] [Accepted: 06/08/2021] [Indexed: 11/16/2022] Open
Abstract
This study aimed to investigate the muscle contractile response of the peroneus longus (PL) and tibialis anterior (TA) in groups with and without chronic ankle instability (CAI) using tensiomyography. Twenty-three adults, 12 with CAI and 11 healthy participants, participated in this study. All subjects underwent a tensiomyographic assessment of the PL and TA to measure delay time, contraction time and maximal displacement. The ankle evertor and invertor normalized peak torques, maximum work done and muscle thickness of the PL and TA were calculated. The delay time and contraction time of the PL in the CAI side were significantly higher than those in the healthy group (p < 0.05); however, no significant difference could be detected in the TA between groups. Furthermore, there was no significant difference in the normalized peak torques, maximum work done and muscle thickness of the PL and TA between groups. The CAI side demonstrated a delayed muscle contractile response of the PL when compared with the healthy group although there was no difference in muscle strength and muscle size. Clinicians should consider the muscle contractile response of the PL for rehabilitation of the ankle evertor with CAI.
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Affiliation(s)
- Tsubasa Tashiro
- Department of Sports Rehabilitation, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8553, Japan; (T.T.); (N.M.); (S.K.); (S.S.)
| | - Noriaki Maeda
- Department of Sports Rehabilitation, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8553, Japan; (T.T.); (N.M.); (S.K.); (S.S.)
| | - Junpei Sasadai
- Sports Medical Center, Japan Institute of Sports Sciences, Tokyo 115-0056, Japan;
| | - Somu Kotoshiba
- Department of Sports Rehabilitation, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8553, Japan; (T.T.); (N.M.); (S.K.); (S.S.)
| | - Shogo Sakai
- Department of Sports Rehabilitation, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8553, Japan; (T.T.); (N.M.); (S.K.); (S.S.)
| | - Yuta Suzuki
- Department of Rehabilitation, Matterhorn Rehabilitation Hospital, Hiroshima 737-0046, Japan;
| | - Hironori Fujishita
- Sports Medical Center, Hiroshima University Hospital, Hiroshima University, Hiroshima 734-8551, Japan;
| | - Yukio Urabe
- Department of Sports Rehabilitation, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8553, Japan; (T.T.); (N.M.); (S.K.); (S.S.)
- Correspondence:
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Lohr C, Medina-Porqueres I. Immediate effects of myofascial release on neuromechanical characteristics in female and male patients with low back pain and healthy controls as assessed by tensiomyography. A controlled matched-pair study. Clin Biomech (Bristol, Avon) 2021; 84:105351. [PMID: 33848704 DOI: 10.1016/j.clinbiomech.2021.105351] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 03/04/2021] [Accepted: 04/01/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Low back pain (LBP) is a major health issue in most industrialised countries. Lumbodorsal fascia has been advocated as a potential source of pain in the lumbopelvic region. Myofascial release constitutes a manual therapeutic approach focussing on the restoration of altered soft tissue function. No previous study has focused on quantifying neuromechanical effects of myofascial release on LBP patients through tensiomyography. The purpose of this study was to quantify immediate neuromechanical alterations of myofascial release on patients with LBP and healthy controls through tensiomyography parameters. METHODS The participants' (n = 30) bilateral lumbar erector spinae muscles were assessed via tensiomyography before and after a 6-min myofascial release treatment of the lumbodorsal fascia to evaluate the muscles' mechanical characteristics. Subjects with LBP (n = 15) were eligible to partake if they reported having had LBP for most days in the past 12 weeks. Muscle displacement (Dm [mm]), velocity of contraction (Vc [mm/s]), and lateral symmetry (Ls [%]) were assessed through tensiomyography testing. FINDINGS Statistical analyses revealed a significant increase for velocity of contraction in the right (p = .021) and left (p = .041) lumbar erector spinae for the subjects with LBP but not for the healthy controls (both p > .14). INTERPRETATION We suggested that myofascial release alters neuromechanical characteristics in subjects with LBP. Tensiomyography may be implemented in clinical settings to monitor intervention effects of the myofascial system, especially the tensiomyography parameter velocity of contraction.
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Affiliation(s)
- Christine Lohr
- Department of Sports and Exercise Medicine, Institute for Human Movement Science, Faculty for Psychology and Human Movement Science, University of Hamburg, Hamburg, Germany.
| | - Ivan Medina-Porqueres
- Department of Physical Therapy, Faculty of Health Sciences, University of Malaga, Malaga, Spain.
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Domaszewski P, Pakosz P, Konieczny M, Bączkowicz D, Sadowska-Krępa E. Caffeine-Induced Effects on Human Skeletal Muscle Contraction Time and Maximal Displacement Measured by Tensiomyography. Nutrients 2021; 13:nu13030815. [PMID: 33801251 PMCID: PMC8001539 DOI: 10.3390/nu13030815] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 02/24/2021] [Accepted: 02/26/2021] [Indexed: 01/09/2023] Open
Abstract
Studies on muscle activation time in sport after caffeine supplementation confirmed the effectiveness of caffeine. The novel approach was to determine whether a dose of 9 mg/kg/ body mass (b.m.) of caffeine affects the changes of contraction time and the displacement of electrically stimulated muscle (gastrocnemius medialis) in professional athletes who regularly consume products rich in caffeine and do not comply with the caffeine discontinuation period requirements. The study included 40 professional male handball players (age = 23.13 ± 3.51, b.m. = 93.51 ± 15.70 kg, height 191 ± 7.72, BMI = 25.89 ± 3.10). The analysis showed that in the experimental group the values of examined parameters were significantly reduced (p ≤ 0.001) (contraction time: before = 20.60 ± 2.58 ms/ after = 18.43 ± 3.05 ms; maximal displacement: before = 2.32 ± 0.80 mm/after = 1.69 ± 0.51 mm). No significant changes were found in the placebo group. The main achievement of this research was to demonstrate that caffeine at a dose of 9 mg/kg in professional athletes who regularly consume products rich in caffeine has a direct positive effect on the mechanical activity of skeletal muscle stimulated by an electric pulse.
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Affiliation(s)
- Przemysław Domaszewski
- Faculty of Physical Education and Physiotherapy, Opole University of Technology, 45-758 Opole, Poland; (M.K.); (D.B.)
- Correspondence: (P.D.); (P.P.); Tel.: +48-774498330 (P.D.); +48-774498321 (P.P.)
| | - Paweł Pakosz
- Faculty of Physical Education and Physiotherapy, Opole University of Technology, 45-758 Opole, Poland; (M.K.); (D.B.)
- Correspondence: (P.D.); (P.P.); Tel.: +48-774498330 (P.D.); +48-774498321 (P.P.)
| | - Mariusz Konieczny
- Faculty of Physical Education and Physiotherapy, Opole University of Technology, 45-758 Opole, Poland; (M.K.); (D.B.)
| | - Dawid Bączkowicz
- Faculty of Physical Education and Physiotherapy, Opole University of Technology, 45-758 Opole, Poland; (M.K.); (D.B.)
| | - Ewa Sadowska-Krępa
- Institute of Sport Sciences, The Jerzy Kukuczka Academy of Physical Education, 40-065 Katowice, Poland;
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Lohr C, Schmidt T, Braumann KM, Reer R, Medina-Porqueres I. Sex-Based Differences in Tensiomyography as Assessed in the Lower Erector Spinae of Healthy Participants: An Observational Study. Sports Health 2020; 12:341-346. [PMID: 32511080 DOI: 10.1177/1941738120917932] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Although there is mounting evidence on sex-linked differences in paraspinal muscle function, it is unknown whether sex-based variations in mechanical and contractile characteristics of the lumbar erector spinae (LES) can be monitored noninvasively in healthy participants at rest using tensiomyography (TMG). HYPOTHESIS Sex-specific effects in muscle displacement (Dm) and velocity of muscle deformation (Vd) will be observed via TMG assessed in the LES. STUDY DESIGN Observational study. LEVEL OF EVIDENCE Level 3. METHODS LES response was measured in a relaxed state in 40 healthy adults (20 females). Possible differences between the conditions were investigated using mixed-model analyses of variance. Two-stage hierarchical linear regression analyses were performed to predict the outcome of TMG Dm and Vd based on participant sex. RESULTS There were significant main effects of sex with large effect sizes for both TMG parameters, resulting from lower mean values in women compared with men (Dm, P < 0.01; Vd, P < 0.01). In contrast, neither the main effect of side (left vs right LES) nor the interaction between the side and sex reached significance (all P > 0.3). Introducing the sex variable in stage 2 of the regression analyses significantly improved the prediction of the TMG parameters (all ∆R2 ≥ 0.18; all P < 0.01; all f2 ≥ 0.29). CONCLUSION Sex-based differences in muscle stiffness and contractile characteristics could be observed by TMG on LES muscles in healthy individuals at rest. The data suggest that these disparities are not exclusively attributable to anthropometric measures but may be linked to intrinsic sex-based differences in skeletal muscle characteristics. CLINICAL RELEVANCE We recommend implementing TMG in a clinical setting using the obtained results as a basis to factor for the patient's biological sex when assessing effects of therapeutic/exercise regimens aiming at the optimization of myofascial tissue regeneration and performance.
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Affiliation(s)
- Christine Lohr
- Department of Sports Medicine, Institute for Human Movement Science, Faculty for Psychology and Human Movement Science, University of Hamburg, Hamburg, Germany
| | - Tobias Schmidt
- Department of Sports Medicine, Institute for Human Movement Science, Faculty for Psychology and Human Movement Science, University of Hamburg, Hamburg, Germany.,Department of General Practice, University Medical Center Göttingen, Göttingen, Germany.,Osteopathie Schule Deutschland (OSD) Hamburg, Hamburg, Germany
| | - Klaus-Michael Braumann
- Department of Sports Medicine, Institute for Human Movement Science, Faculty for Psychology and Human Movement Science, University of Hamburg, Hamburg, Germany
| | - Rüdiger Reer
- Department of Sports Medicine, Institute for Human Movement Science, Faculty for Psychology and Human Movement Science, University of Hamburg, Hamburg, Germany
| | - Ivan Medina-Porqueres
- Department of Physical Therapy, Faculty of Health Sciences, University of Malaga, Malaga, Spain
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Piqueras-Sanchiz F, Martín-Rodríguez S, Pareja-Blanco F, Baraja-Vegas L, Blázquez-Fernández J, Bautista IJ, García-García Ó. Mechanomyographic Measures of Muscle Contractile Properties are Influenced by Electrode Size and Stimulation Pulse Duration. Sci Rep 2020; 10:8192. [PMID: 32424300 PMCID: PMC7235246 DOI: 10.1038/s41598-020-65111-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Accepted: 04/27/2020] [Indexed: 11/22/2022] Open
Abstract
The aim was to determine the effects of changing pulse duration and electrode size on muscle contractile properties. Thirty-six healthy young male participated in the study (age 24.8 ± 5.8 years; height 178.2 ± 0.6 cm; body mass 71.8 ± 7.3 kg; self-reported weekly moderate intensity activity 3.5 ± 1.2 h·week−1). Tensiomyography was used to assess rectus femoris (RF) and vastus medialis (VM) muscles neuromuscular properties of the dominant leg according to the electrode size (3.2–5 cm) and the stimulus length (0.2, 0.5, and 1 ms). Maximal radial displacement (Dm); Contraction time (Tc); Delay time (Td); Sustained time (Ts) and Half relaxation time (Tr) were measured. Relative and absolute reliability was quantified. To analyze the effects of the electrode and the stimulus length, a repeated-measures analysis of variance was used. Dm and Tc parameters showed for both muscles an excellent relative (0.95–0.99) and absolute reliability (1.6–4.2%). However, Ts and Tr showed low values of absolute reliability (4.4–40.9%). The duration of the stimulus length applied to the RF and VM and electrode size significantly influences muscle’s contractile properties (p < 0.05; η2p = 0.09–0.60). The Dm increases substantially as the duration of the stimulus increases and with the use of the larger electrode in both muscles. However, Tc and Td are less affected by both conditions and not entirely clear. Practically, our study suggests that a stimulus pulse duration of 1 ms together with a 5 × 5 cm electrode is necessary to reach a reliable and reproducible assessment of both RF and VM muscles contractile properties.
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Affiliation(s)
| | - Saúl Martín-Rodríguez
- Department of Physical Education, University of Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
| | - Fernando Pareja-Blanco
- Physical Performance & Sports Research Center, Universidad Pablo de Olavide, Seville, Spain
| | - Luis Baraja-Vegas
- Department of Physiotherapy, Catholic University of Valencia, Valencia, Spain
| | | | - Iker J Bautista
- Faculty of Physiotherapy and Podology, Catholic University of Valencia, Valencia, Spain
| | - Óscar García-García
- Laboratory of Sports Performance, Physical Condition and Wellness, Faculty of Education and Sport Sciences, Universidade de Vigo, Pontevedra, Spain.
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24
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Muñoz-López A, De Hoyo M, Nuñez FJ, Sañudo B. Using Tensiomyography to Assess Changes in Knee Muscle Contraction Properties After Concentric and Eccentric Fatiguing Muscle Actions. J Strength Cond Res 2020; 36:935-940. [PMID: 32168176 DOI: 10.1519/jsc.0000000000003562] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Muñoz-López, A, De Hoyo, M, Nuñez, FJ, and Sañudo, B. Using tensiomyography to assess changes in knee muscle contraction properties after concentric and eccentric fatiguing muscle actions. J Strength Cond Res XX(X): 000-000, 2020-The purposes of this study were to analyze the effects of different types of muscle contraction (concentric and eccentric) on the passive muscular contraction properties of knee muscles and how muscle contraction can affect the muscles in different knee functions. In total, 23 active healthy men (age: 24.65 ± 1.95 years, height: 1.78 ± 0.05 m, mass: 75.33 ± 8.37 kg) participated in this study. Muscle soreness, muscle contractile properties assessed with tensiomyography (TMG) (vastus lateralis [VL] and biceps femoris [BF]), and isometric peak torque were tested before and immediately after 32 maximal repetitions of an isokinetic leg extension and flexion exercise at 180° per second. Muscle contractions were randomized to each subject's leg. From the TMG variables, only contraction velocity showed significant interactions in time × muscle × contraction (p = 0.046; partial ηp = 0.19). A greater reduction was observed in the BF (-29.03%) than in the VL (-21.25%). There was a significant decrease in contraction velocity after concentric p < 0.001, d = 1.18) and eccentric (p = 0.007, d = 0.51) exercise for the BF, while for VL, a decrease was only observed after concentric exercise (p = 0.007, d = 0.66). The leg extension exercise showed reductions in the isokinetic peak torque (p < 0.001; partial ηp = 0.83). Isometric peak torque (p < 0.001; partial ηp = 0.80) and muscle soreness (p < 0.001; partial ηp = 0.70) decreased after exercise. In conclusion, muscle mechanical properties were differently affected in relation to the muscle contraction and knee muscles involved, after a fatiguing leg extension isokinetic exercise. Isometric peak torque and muscle soreness were also reduced immediately after exercise. These results are particularly important to understand how TMG parameters are modified depending on the type of contraction.
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Affiliation(s)
| | - Moisés De Hoyo
- Physical Education and Sports, University of Seville, Seville, Spain
| | - Francisco J Nuñez
- Physical Performance and Sports Research, Pablo de Olavide University, Seville, Spain
| | - Borja Sañudo
- Physical Education and Sports, University of Seville, Seville, Spain
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Lohr C, Schmidt T, Medina-Porqueres I, Braumann KM, Reer R, Porthun J. Diagnostic accuracy, validity, and reliability of Tensiomyography to assess muscle function and exercise-induced fatigue in healthy participants. A systematic review with meta-analysis. J Electromyogr Kinesiol 2019; 47:65-87. [DOI: 10.1016/j.jelekin.2019.05.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 03/16/2019] [Accepted: 05/03/2019] [Indexed: 02/04/2023] Open
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