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Frouin A, Le Sant G, Barbier L, Jacquemin E, McNair PJ, Ellis R, Nordez A, Lacourpaille L. Individual distribution of muscle hypertrophy among hamstring muscle heads: Adding muscle volume where you need is not so simple. Scand J Med Sci Sports 2024; 34:e14608. [PMID: 38515303 DOI: 10.1111/sms.14608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 03/01/2024] [Accepted: 03/11/2024] [Indexed: 03/23/2024]
Abstract
PURPOSE The aim of this study was to determine whether a 9-week resistance training program based on high load (HL) versus low load combined with blood flow restriction (LL-BFR) induced a similar (i) distribution of muscle hypertrophy among hamstring heads (semimembranosus, SM; semitendinosus, ST; and biceps femoris long head, BF) and (ii) magnitude of tendon hypertrophy of ST, using a parallel randomized controlled trial. METHODS A total of 45 participants were randomly allocated to one of three groups: HL, LL-BFR, and control (CON). Both HL and LL-BFR performed a 9-week resistance training program composed of seated leg curl and stiff-leg deadlift exercises. Freehand 3D ultrasound was used to assess the changes in muscle and tendon volume. RESULTS The increase in ST volume was greater in HL (26.5 ± 25.5%) compared to CON (p = 0.004). No difference was found between CON and LL-BFR for the ST muscle volume (p = 0.627). The change in SM muscle volume was greater for LL-BFR (21.6 ± 27.8%) compared to CON (p = 0.025). No difference was found between HL and CON for the SM muscle volume (p = 0.178).There was no change in BF muscle volume in LL-BFR (14.0 ± 16.5%; p = 0.436) compared to CON group. No difference was found between HL and CON for the BF muscle volume (p = 1.0). Regarding ST tendon volume, we did not report an effect of training regimens (p = 0.411). CONCLUSION These results provide evidence that the HL program induced a selective hypertrophy of the ST while LL-BFR induced hypertrophy of SM. The magnitude of the selective hypertrophy observed within each group varied greatly between individuals. This finding suggests that it is very difficult to early determine the location of the hypertrophy among a muscle group.
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Affiliation(s)
- A Frouin
- Nantes Université, Movement - Interactions - Performance, MIP, Nantes, France
- Institut Sport Atlantique, ISA, Nantes, France
| | - G Le Sant
- Nantes Université, Movement - Interactions - Performance, MIP, Nantes, France
- School of Physiotherapy, IFM3R, Nantes, France
| | - L Barbier
- Nantes Université, Movement - Interactions - Performance, MIP, Nantes, France
- School of Physiotherapy, IFM3R, Nantes, France
| | - E Jacquemin
- Nantes Université, Movement - Interactions - Performance, MIP, Nantes, France
- School of Physiotherapy, IFM3R, Nantes, France
| | - P J McNair
- Health and Rehabilitation Research Institute, Faculty of Health and Environmental Sciences, Auckland University of Technology, Auckland, New Zealand
| | - R Ellis
- Health and Rehabilitation Research Institute, Faculty of Health and Environmental Sciences, Auckland University of Technology, Auckland, New Zealand
- Active Living and Rehabilitation: Aotearoa, School of Clinical Sciences, Auckland University of Technology, Auckland, New Zealand
| | - A Nordez
- Nantes Université, Movement - Interactions - Performance, MIP, Nantes, France
- Health and Rehabilitation Research Institute, Faculty of Health and Environmental Sciences, Auckland University of Technology, Auckland, New Zealand
- Institut Universitaire de France (IUF), Paris, France
| | - L Lacourpaille
- Nantes Université, Movement - Interactions - Performance, MIP, Nantes, France
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Huet J, Boureau AS, Sarcher A, Cornu C, Nordez A. Validation of a scanning technique with minimal compression for measuring muscle volume with freehand 3D ultrasound. J Biomech 2024; 162:111878. [PMID: 38006703 DOI: 10.1016/j.jbiomech.2023.111878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 11/12/2023] [Accepted: 11/17/2023] [Indexed: 11/27/2023]
Abstract
Freehand 3D ultrasound (3D-US) is a promising technique for measuring muscle volume but it requires gel pads or water tanks to limit probe compression on the skin which makes it hard to use in clinical applications. Our objectives were to measure the effect of different compressions on muscle volume in order to assess the clinical applicability of a minimal compression method for lower limb muscles. 4 muscles of the lower limb on 15 healthy volunteers were scanned with a new commercial freehand 3D-US setup accessible to clinical experimentators. Each muscle was scanned with 3 levels of compression: standard compression, minimal compression and gel pad (method validated against MRI). Volume was calculated using software segmentation tools. Acquisitions and segmentations were done by the same examiner. There was a significant impact of standard compression on volume measurements, but no difference between minimal compression and gel pad. Standard compression underestimated volume with a mean bias of 16 mL. For minimal compression, 75 % of measured differences were below the predefined clinically acceptable limits of 10 mL. Mean bias for this method was 1.1 mL. In conclusion, standard compression in freehand 3D-US induces a systematic bias in volume calculations. But, with a trained examiner and the necessary precautions to minimize compression, this bias could be abolished and become acceptable in clinical applications. When a high accuracy is required, gel pads could still be important to consider.
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Affiliation(s)
- J Huet
- Nantes Université, Movement - Interactions - Performance, MIP, UR 4334, F-44000 Nantes, France; Nantes Université, CHU Nantes, Pole de Gérontologie Clinique, F-44000 Nantes, France
| | - A-S Boureau
- Nantes Université, CHU Nantes, Pole de Gérontologie Clinique, F-44000 Nantes, France; Nantes Université, CHU Nantes, CNRS, INSERM, l'institut du thorax, F-44000 Nantes, France
| | - A Sarcher
- Nantes Université, Movement - Interactions - Performance, MIP, UR 4334, F-44000 Nantes, France
| | - C Cornu
- Nantes Université, Movement - Interactions - Performance, MIP, UR 4334, F-44000 Nantes, France
| | - A Nordez
- Nantes Université, Movement - Interactions - Performance, MIP, UR 4334, F-44000 Nantes, France; Institut Universitaire de France (IUF), France. https://www.univ-nantes.fr/antoine-nordez
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Giroux C, Hager R, Feugray J, Lauby G, Dorel S, Nordez A, Guilhem G. Effects of plantar flexors training (force vs. velocity) on plantar flexion and squat jump force-velocity relationships. Comput Methods Biomech Biomed Engin 2019. [DOI: 10.1080/10255842.2020.1714940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- C. Giroux
- Research Department, Laboratory Sport, Expertise and Performance (EA 7370), French National Institute of Sport (INSEP), Paris, France
- Laboratory Bioengineering, Tissues and Neuroplasticity (BIOTN EA7377), University of Paris-Est, Créteil, France
| | - R. Hager
- Research Department, Laboratory Sport, Expertise and Performance (EA 7370), French National Institute of Sport (INSEP), Paris, France
| | - J. Feugray
- Research Department, Laboratory Sport, Expertise and Performance (EA 7370), French National Institute of Sport (INSEP), Paris, France
| | - G. Lauby
- Research Department, Laboratory Sport, Expertise and Performance (EA 7370), French National Institute of Sport (INSEP), Paris, France
| | | | - A. Nordez
- Laboratory “Movement, Interactions, Performance, University of Nantes, UFR STAPS, Nantes, France
| | - G. Guilhem
- Research Department, Laboratory Sport, Expertise and Performance (EA 7370), French National Institute of Sport (INSEP), Paris, France
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Neto T, Freitas S, Andrade R, Gomes J, Mendes B, Mendes T, Nordez A, Oliveira R. Sciatic nerve stiffness is not changed immediately after a slump neurodynamics technique. Muscles Ligaments Tendons J 2019. [DOI: 10.32098/mltj.03.2017.24] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- T. Neto
- Faculdade de Motricidade Humana, Universidade de Lisboa, Lisbon, Portugal
- Lunex University, Faculty of Health Sciences, Differdange, Luxembourg
| | - S.R. Freitas
- Faculdade de Motricidade Humana, Universidade de Lisboa, Lisbon, Portugal
- Benfica LAB, Sport Lisboa e Benfica, Lisboa, Portugal
| | - R.J. Andrade
- Faculdade de Motricidade Humana, Universidade de Lisboa, Lisbon, Portugal
- University of Nantes, Laboratory “Movement, Interactions, Performance” (EA 4334), Faculty of Sport Sciences, Nantes, France
| | - J. Gomes
- Faculdade de Motricidade Humana, Universidade de Lisboa, Lisbon, Portugal
| | - B. Mendes
- Faculdade de Motricidade Humana, Universidade de Lisboa, Lisbon, Portugal
- Benfica LAB, Sport Lisboa e Benfica, Lisboa, Portugal
| | - T. Mendes
- Faculdade de Motricidade Humana, Universidade de Lisboa, Lisbon, Portugal
- Benfica LAB, Sport Lisboa e Benfica, Lisboa, Portugal
| | - A. Nordez
- University of Nantes, Laboratory “Movement, Interactions, Performance” (EA 4334), Faculty of Sport Sciences, Nantes, France
| | - R. Oliveira
- Faculdade de Motricidade Humana, Universidade de Lisboa, Lisbon, Portugal
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Coombes BK, Tucker K, Vicenzino B, Vuvan V, Mellor R, Heales L, Nordez A, Hug F. Response to considerations on “Achilles tendinopathy and patellar tendinopathy display opposite changes in elastic properties”. Scand J Med Sci Sports 2018; 28:1471-1472. [DOI: 10.1111/sms.13025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- B. K. Coombes
- School of Biomedical Sciences; The University of Queensland; Brisbane Qld Australia
| | - K. Tucker
- School of Biomedical Sciences; The University of Queensland; Brisbane Qld Australia
| | - B. Vicenzino
- School of Health and Rehabilitation Sciences; The University of Queensland; Brisbane Qld Australia
| | - V. Vuvan
- School of Health and Rehabilitation Sciences; The University of Queensland; Brisbane Qld Australia
| | - R. Mellor
- School of Health and Rehabilitation Sciences; The University of Queensland; Brisbane Qld Australia
| | - L. Heales
- School of Health, Medical and Applied Sciences; Division of Physiotherapy; Central Queensland University; Rockhampton Qld Australia
| | - A. Nordez
- Faculty of Sport Sciences; Laboratory “Movement, Interactions, Performance” (EA 4334); University of Nantes; Nantes France
| | - F. Hug
- School of Health and Rehabilitation Sciences; The University of Queensland; Brisbane Qld Australia
- Faculty of Sport Sciences; Laboratory “Movement, Interactions, Performance” (EA 4334); University of Nantes; Nantes France
- Institut Universitaire de France (IUF); Paris France
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Beaumatin N, Hauraix H, Nordez A, Hager R, Rabita G, Guilhem G, Dorel S. Maximal shortening velocity during plantar flexion: Effects of pre-activity and initial stretching state. Scand J Med Sci Sports 2018; 28:1361-1370. [DOI: 10.1111/sms.13043] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/18/2017] [Indexed: 11/28/2022]
Affiliation(s)
- N. Beaumatin
- Laboratory “Movement, Interactions, Performance” (EA 4334); Faculty of Sport Sciences; University of Nantes; Nantes France
| | - H. Hauraix
- Laboratory “Movement, Interactions, Performance” (EA 4334); Faculty of Sport Sciences; University of Nantes; Nantes France
| | - A. Nordez
- Laboratory “Movement, Interactions, Performance” (EA 4334); Faculty of Sport Sciences; University of Nantes; Nantes France
| | - R. Hager
- Laboratory “Sport, Expertise and Performance” (EA 7370); Research Department; French Institute of Sport (INSEP); Paris France
| | - G. Rabita
- Laboratory “Sport, Expertise and Performance” (EA 7370); Research Department; French Institute of Sport (INSEP); Paris France
| | - G. Guilhem
- Laboratory “Sport, Expertise and Performance” (EA 7370); Research Department; French Institute of Sport (INSEP); Paris France
| | - S. Dorel
- Laboratory “Movement, Interactions, Performance” (EA 4334); Faculty of Sport Sciences; University of Nantes; Nantes France
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Coombes BK, Tucker K, Vicenzino B, Vuvan V, Mellor R, Heales L, Nordez A, Hug F. Achilles and patellar tendinopathy display opposite changes in elastic properties: A shear wave elastography study. Scand J Med Sci Sports 2017; 28:1201-1208. [PMID: 28972291 DOI: 10.1111/sms.12986] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/19/2017] [Indexed: 12/17/2022]
Abstract
To compare tendon elastic and structural properties of healthy individuals with those with Achilles or patellar tendinopathy. Sixty-seven participants (22 Achilles tendinopathy, 17 patellar tendinopathy, and 28 healthy controls) were recruited between March 2015 and March 2016. Shear wave velocity (SWV), an index of tissue elastic modulus, and tendon thickness were measured bilaterally at mid-tendon and insertional regions of Achilles and patellar tendons by an examiner blinded to group. Analysis of covariance, adjusted for age, body mass index, and sex was used to compare differences in tendon thickness and SWV between the two tendinopathy groups (relative to controls) and regions. Tendon thickness was included as a covariate for analysis of SWV. Compared to controls, participants with Achilles tendinopathy had lower SWV at the distal insertion (Mean difference MD; 95% CI: -1.56; -2.49 to -0.62 m/s; P < .001) and greater thickness at the mid-tendon (MD 0.19; 0.05-0.33 cm; P = .007). Compared to controls, participants with patellar tendinopathy had higher SWV at both regions (MD 1.25; 0.40-2.10 m/s; P = .005) and greater thickness proximally (MD 0.17; 0.06-0.29 cm; P = .003). Compared to controls, participants with Achilles and patellar tendinopathy displayed lower Achilles tendon elastic modulus and higher patellar tendon elastic modulus, respectively. More research is needed to explore whether maturation, aging, or chronic load underlie these findings and whether current management programs for Achilles and patellar tendinopathy need to be tailored to the tendon.
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Affiliation(s)
- B K Coombes
- School of Biomedical Sciences, The University of Queensland, Brisbane, Qld, Australia
| | - K Tucker
- School of Biomedical Sciences, The University of Queensland, Brisbane, Qld, Australia
| | - B Vicenzino
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Qld, Australia
| | - V Vuvan
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Qld, Australia
| | - R Mellor
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Qld, Australia
| | - L Heales
- School of Human, Health and Social Science, Division of Physiotherapy, Central Queensland University, Rockhampton, Qld, Australia
| | - A Nordez
- Faculty of Sport Sciences, Laboratory "Movement, Interactions, Performance" (EA 4334), University of Nantes, Nantes, France
| | - F Hug
- School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Qld, Australia.,Faculty of Sport Sciences, Laboratory "Movement, Interactions, Performance" (EA 4334), University of Nantes, Nantes, France.,Institut Universitaire de France (IUF), Paris, France
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Freitas SR, Mendes B, Le Sant G, Andrade RJ, Nordez A, Milanovic Z. Can chronic stretching change the muscle-tendon mechanical properties? A review. Scand J Med Sci Sports 2017; 28:794-806. [PMID: 28801950 DOI: 10.1111/sms.12957] [Citation(s) in RCA: 79] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/07/2017] [Indexed: 12/16/2022]
Abstract
It is recognized that stretching is an effective method to chronically increase the joint range of motion. However, the effects of stretching training on the muscle-tendon structural properties remain unclear. This systematic review with meta-analysis aimed to determine whether chronic stretching alter the muscle-tendon structural properties. Published papers regarding longitudinal stretching (static, dynamic and/or PNF) intervention (either randomized or not) in humans of any age and health status, with more than 2 weeks in duration and at least 2 sessions per week, were searched in PubMed, PEDro, ScienceDirect and ResearchGate databases. Structural or mechanical variables from joint (maximal tolerated passive torque or resistance to stretch) or muscle-tendon unit (muscle architecture, stiffness, extensibility, shear modulus, volume, thickness, cross-sectional area, and slack length) were extracted from those papers. A total of 26 studies were selected, with a duration ranging from 3 to 8 weeks, and an average total time under stretching of 1165 seconds per week. Small effects were seen for maximal tolerated passive torque, but trivial effects were seen for joint resistance to stretch, muscle architecture, muscle stiffness, and tendon stiffness. A large heterogeneity was seen for most of the variables. Stretching interventions with 3- to 8-week duration do not seem to change either the muscle or the tendon properties, although it increases the extensibility and tolerance to a greater tensile force. Adaptations to chronic stretching protocols shorter than 8 weeks seem to mostly occur at a sensory level.
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Affiliation(s)
- S R Freitas
- Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada-Dafundo, Portugal.,Benfica Lab, Sport Lisboa e Benfica, Lisbon, Portugal
| | - B Mendes
- Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada-Dafundo, Portugal.,Benfica Lab, Sport Lisboa e Benfica, Lisbon, Portugal
| | - G Le Sant
- Laboratory "Movement, Interactions, Performance" (EA 4334), Faculty of Sport Sciences, University of Nantes, Nantes, France.,School of Physiotherapy, IFM3R, Nantes, France
| | - R J Andrade
- Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada-Dafundo, Portugal.,Laboratory "Movement, Interactions, Performance" (EA 4334), Faculty of Sport Sciences, University of Nantes, Nantes, France
| | - A Nordez
- Laboratory "Movement, Interactions, Performance" (EA 4334), Faculty of Sport Sciences, University of Nantes, Nantes, France
| | - Z Milanovic
- Faculty of Sport and Physical Education, University of Niš, Niš, Serbia
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Le Mansec Y, Nordez A, Dorel S, Jubeau M. Reaction time can be measured during voluntary contractions with electrode array. Clin Physiol Funct Imaging 2017; 38:338-340. [PMID: 28795529 DOI: 10.1111/cpf.12455] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Accepted: 07/04/2017] [Indexed: 12/21/2022]
Abstract
Reaction time (RT) is classically divided into premotor time (PMT) and electromechanical delay (EMD). However, the determination of the onset of electromyographic activity (EMG) during voluntary contraction remains questionable. In addition, the reliability of RT, PMT and EMD needs to be determined. Twelve participants performed two sessions of RT trials, separated by 5 min. RT was evaluated during voluntary isometric contractions of the elbow flexors, i.e., time between a light signal (stimulus) and the onset of the mechanical response. To assess EMD, an electrode array (64 channels) was used to accurately detect the onset of EMG activity. PMT represented the major part of the RT (~88%). Coefficients of variation were reasonably satisfactory for all parameters (range: 11·9-13·4%). The use of electrode array appears to be a relevant method to measure EMD. Moreover, sessions based on two trials are reliable enough to detect changes in RT components.
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Affiliation(s)
- Y Le Mansec
- Faculty of Sport Sciences, Laboratory "Movement, Interactions, Performance" (EA 4334), University of Nantes, Nantes, France
| | - A Nordez
- Faculty of Sport Sciences, Laboratory "Movement, Interactions, Performance" (EA 4334), University of Nantes, Nantes, France
| | - S Dorel
- Faculty of Sport Sciences, Laboratory "Movement, Interactions, Performance" (EA 4334), University of Nantes, Nantes, France
| | - M Jubeau
- Faculty of Sport Sciences, Laboratory "Movement, Interactions, Performance" (EA 4334), University of Nantes, Nantes, France
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Point M, Guilhem G, Hug F, Nordez A, Frey A, Lacourpaille L. Cryotherapy induces an increase in muscle stiffness. Scand J Med Sci Sports 2017; 28:260-266. [DOI: 10.1111/sms.12872] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/27/2017] [Indexed: 01/15/2023]
Affiliation(s)
- M. Point
- Laboratory “Sport; Expertise and Performance” (EA 7370); Research Department; French Institute of Sport (INSEP); Paris France
| | - G. Guilhem
- Laboratory “Sport; Expertise and Performance” (EA 7370); Research Department; French Institute of Sport (INSEP); Paris France
| | - F. Hug
- NHMRC Centre of Clinical Research Excellence in Spinal Pain; Injury and Health; School of Health and Rehabilitation Sciences; The University of Queensland; Brisbane Australia
- Laboratory “Movement; Interactions; Performance” (EA 4334); Faculty of Sport Sciences; University of Nantes; Nantes France
| | - A. Nordez
- Laboratory “Movement; Interactions; Performance” (EA 4334); Faculty of Sport Sciences; University of Nantes; Nantes France
| | - A. Frey
- Medical Department; French National Institute of Sport (INSEP); Paris France
| | - L. Lacourpaille
- Laboratory “Sport; Expertise and Performance” (EA 7370); Research Department; French Institute of Sport (INSEP); Paris France
- Laboratory “Movement; Interactions; Performance” (EA 4334); Faculty of Sport Sciences; University of Nantes; Nantes France
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Coombes B, Tucker K, Durbridge G, Nordez A, Hug F. Quantifying tendon elasticity in healthy and diseased tendon using shearwave elastography: A systematic review. J Sci Med Sport 2017. [DOI: 10.1016/j.jsams.2017.01.194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Guilhem G, Doguet V, Hauraix H, Lacourpaille L, Jubeau M, Nordez A, Dorel S. Muscle force loss and soreness subsequent to maximal eccentric contractions depend on the amount of fascicle strain in vivo. Acta Physiol (Oxf) 2016; 217:152-63. [PMID: 26786411 DOI: 10.1111/apha.12654] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Revised: 01/06/2016] [Accepted: 01/09/2016] [Indexed: 11/30/2022]
Abstract
AIM Defining the origins of muscle injury has important rehabilitation and exercise applications. However, current knowledge of muscle damage mechanics in human remains unclear in vivo. This study aimed to determine the relationships between muscle-tendon unit mechanics during maximal eccentric contractions and the extent of subsequent functional impairments induced by muscle damage. METHODS The length of the muscle-tendon unit, fascicles and tendinous tissues was continuously measured on the gastrocnemius medialis using ultrasonography, in time with torque, during 10 sets of 30 maximal eccentric contractions of plantar flexors at 45°s(-1) , in seventeen participants. RESULTS Muscle-tendon unit, fascicles and tendinous tissues were stretched up to 4.44 ± 0.33 cm, 2.31 ± 0.64 cm and 1.92 ± 0.61 cm respectively. Fascicle stretch length, lengthening amplitude and negative fascicle work beyond slack length were significantly correlated with the force decrease 48 h post-exercise (r = 0.51, 0.47 and 0.68, respectively; P < 0.05). CONCLUSIONS This study demonstrates that the strain applied to human muscle fibres during eccentric contractions strongly influences the magnitude of muscle damage in vivo. Achilles tendon compliance decreases the amount of strain, while architectural gear ratio may moderately contribute to attenuating muscle fascicle lengthening and hence muscle damage. Further studies are necessary to explore the impact of various types of task to fully understand the contribution of muscle-tendon interactions during active lengthening to muscle damage.
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Affiliation(s)
- G. Guilhem
- Laboratory Sport, Expertise and Performance (EA 7370); Research Department; French National Institute of Sport (INSEP); Paris France
| | - V. Doguet
- Laboratory ‘Movement, Interactions, Performance’ (EA 4334); Faculty of Sport Sciences; University of Nantes; Nantes France
| | - H. Hauraix
- Laboratory ‘Movement, Interactions, Performance’ (EA 4334); Faculty of Sport Sciences; University of Nantes; Nantes France
| | - L. Lacourpaille
- Laboratory Sport, Expertise and Performance (EA 7370); Research Department; French National Institute of Sport (INSEP); Paris France
- Laboratory ‘Movement, Interactions, Performance’ (EA 4334); Faculty of Sport Sciences; University of Nantes; Nantes France
| | - M. Jubeau
- Laboratory ‘Movement, Interactions, Performance’ (EA 4334); Faculty of Sport Sciences; University of Nantes; Nantes France
| | - A. Nordez
- Laboratory ‘Movement, Interactions, Performance’ (EA 4334); Faculty of Sport Sciences; University of Nantes; Nantes France
| | - S. Dorel
- Laboratory ‘Movement, Interactions, Performance’ (EA 4334); Faculty of Sport Sciences; University of Nantes; Nantes France
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Helfenstein-Didier C, Andrade RJ, Brum J, Hug F, Tanter M, Nordez A, Gennisson JL. In vivo quantification of the shear modulus of the human Achilles tendon during passive loading using shear wave dispersion analysis. Phys Med Biol 2016; 61:2485-96. [PMID: 26948399 DOI: 10.1088/0031-9155/61/6/2485] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The shear wave velocity dispersion was analyzed in the Achilles tendon (AT) during passive dorsiflexion using a phase velocity method in order to obtain the tendon shear modulus (C 55). Based on this analysis, the aims of the present study were (i) to assess the reproducibility of the shear modulus for different ankle angles, (ii) to assess the effect of the probe locations, and (iii) to compare results with elasticity values obtained with the supersonic shear imaging (SSI) technique. The AT shear modulus (C 55) consistently increased with the ankle dorsiflexion (N = 10, p < 0.05). Furthermore, the technique showed a very good reproducibility (all standard error of the mean values <10.7 kPa and all coefficient of variation (CV) values ⩽ 0.05%). In addition, independently from the ankle dorsiflexion, the shear modulus was significantly higher in the proximal location compared to the more distal one. The shear modulus provided by SSI was always lower than C55 and the difference increased with the ankle dorsiflexion. However, shear modulus values provided by both methods were highly correlated (R = 0.84), indicating that the conventional shear wave elastography technique (SSI technique) can be used to compare tendon mechanical properties across populations. Future studies should determine the clinical relevance of the shear wave dispersion analysis, for instance in the case of tendinopathy or tendon tear.
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Affiliation(s)
- C Helfenstein-Didier
- Institut Langevin-Ondes et Images, ESPCI Paris, PSL Research University, CNRS UMR7587, INSERM U979, 1 rue Jussieu, 75238 Paris cedex 05, France
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Andrade RJ, Lacourpaille L, Freitas SR, McNair PJ, Nordez A. Effects of hip and head position on ankle range of motion, ankle passive torque, and passive gastrocnemius tension. Scand J Med Sci Sports 2015; 26:41-7. [DOI: 10.1111/sms.12406] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/11/2014] [Indexed: 01/25/2023]
Affiliation(s)
- R. J. Andrade
- EA 4334, Laboratoire “Motricité, Interactions, Performance”; Université de Nantes; Nantes France
- CIPER; Faculdade de Motricidade Humana; Universidade de Lisboa; Dafundo Portugal
| | - L. Lacourpaille
- EA 4334, Laboratoire “Motricité, Interactions, Performance”; Université de Nantes; Nantes France
| | - S. R. Freitas
- CIPER; Faculdade de Motricidade Humana; Universidade de Lisboa; Dafundo Portugal
| | - P. J. McNair
- Health & Rehabilitation Research Institute; School of Rehabilitation and Occupation Studies; Faculty of Health and Environmental Studies; Auckland University of Technology; Auckland New Zealand
| | - A. Nordez
- EA 4334, Laboratoire “Motricité, Interactions, Performance”; Université de Nantes; Nantes France
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Lacourpaille L, Nordez A, Hug F, Couturier A, Dibie C, Guilhem G. Time-course effect of exercise-induced muscle damage on localized muscle mechanical properties assessed using elastography. Acta Physiol (Oxf) 2014; 211:135-46. [PMID: 24602146 DOI: 10.1111/apha.12272] [Citation(s) in RCA: 95] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2013] [Revised: 10/15/2013] [Accepted: 03/03/2014] [Indexed: 01/27/2023]
Abstract
AIM Changes in muscle stiffness after exercise-induced muscle damage have been classically inferred from passive torque-angle curves. Elastographic techniques can be used to estimate the shear modulus of a localized muscular area. This study aimed to quantify the changes in shear elastic modulus in different regions of the elbow flexors after eccentric exercise and their relation to muscle length. METHODS Shear elastic modulus and transverse relaxation time (T2 ) were measured in the biceps brachii and brachialis muscles of sixteen participants, before, 1 h, 48 h and 21 days after three sets of ten maximal isokinetic eccentric contractions performed at 120° s(-1) . RESULTS The shear elastic modulus of the elbow flexors significantly increased 1 h (+46%; P = 0.005), with no significant change at 48 h and 21D, post-exercise. In contrast, T2 was not modified at 1 h but significantly increased at 48 h (+15%; P < 0.05). The increase in shear elastic modulus was more pronounced at long muscle lengths and reached a similar extent in the different regions of the elbow flexors. The normalized hysteresis area of shear elastic modulus-length relationship for the biceps brachii increased 1 h post-exercise (31%) in comparison with the pre-exercise value (18%), but was not significantly altered after five stretching cycles (P = 0.63). CONCLUSION Our results show homogeneous changes in muscle shear elastic modulus within and between elbow flexors. The greater increase in shear elastic modulus observed at long muscle lengths suggests the putative involvement of both cross-bridges number and titin in the modifications of muscle shear elastic modulus after damaging exercise.
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Affiliation(s)
- L. Lacourpaille
- Laboratory ‘Motricité, Interactions, Performance’ (EA 4334); UFR STAPS; University of Nantes; Nantes France
| | - A. Nordez
- Laboratory ‘Motricité, Interactions, Performance’ (EA 4334); UFR STAPS; University of Nantes; Nantes France
| | - F. Hug
- Laboratory ‘Motricité, Interactions, Performance’ (EA 4334); UFR STAPS; University of Nantes; Nantes France
- NHMRC Centre of Clinical Research Excellence in Spinal Pain, Injury and Health; School of Health and Rehabilitation Sciences; The University of Queensland; Brisbane Qld Australia
| | - A. Couturier
- Laboratory Sport, Expertise and Perfomance; Research and Medical Departments; French National Institute of Sport (INSEP); Paris France
| | - C. Dibie
- Laboratory Sport, Expertise and Perfomance; Research and Medical Departments; French National Institute of Sport (INSEP); Paris France
| | - G. Guilhem
- Laboratory Sport, Expertise and Perfomance; Research and Medical Departments; French National Institute of Sport (INSEP); Paris France
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Farcy S, Nordez A, Dorel S, Hauraix H, Portero P, Rabita G. Gastrocnemius medialis fascicle and Achilles' tendon behaviour during a quick-release movement. Comput Methods Biomech Biomed Engin 2013; 16 Suppl 1:158-60. [DOI: 10.1080/10255842.2013.815912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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17
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Sève C, Nordez A, Poizat G, Saury J. Performance analysis in sport: contributions from a joint analysis of athletes' experience and biomechanical indicators. Scand J Med Sci Sports 2011; 23:576-84. [PMID: 22150999 DOI: 10.1111/j.1600-0838.2011.01421.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/24/2011] [Indexed: 11/29/2022]
Abstract
The purpose of this study was to test the usefulness of combining two types of analysis to investigate sports performance with the aim of optimizing it. These two types of analysis correspond to two levels of athletes' activity: (a) their experiences during performance and (b) the biomechanical characteristics of their movements. Rowing served as an illustration, and the activity of one female crew member was studied during a race. Three types of data were collected: (a) audiovisual data recorded during the race; (b) verbalization data obtained in interviews conducted afterward; and (c) biomechanical data. The courses of experience of the two rowers during the race were reconstructed on the basis of the audiovisual and verbalization data. This paper presents a detailed analysis of a single phenomenon of the race experienced by one of the rowers. According to the coaches, it reflected a dysfunction in crew coordination. The aim of this analysis was to identify the biomechanical characteristics of the rowers' movements that might explain it. The results showed that the phenomenon could be explained principally by an amplitude differential between the two rowers' strokes. On this basis, the coaches defined new training objectives to remedy the dysfunction in crew coordination.
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Affiliation(s)
- C Sève
- University of Nantes, Nantes, France
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Guével A, Boyas S, Guihard V, Cornu C, Hug F, Nordez A. Thigh Muscle Activities in Elite Rowers During On-Water Rowing. Int J Sports Med 2010; 32:109-16. [DOI: 10.1055/s-0030-1268412] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Foure A, Nordez A, Cornu C. Effects of plyometric training on plantar flexor mechanical properties. Comput Methods Biomech Biomed Engin 2010. [DOI: 10.1080/10255842.2010.493723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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21
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Nordez A, McNair P, Casari P, Cornu C. Static and cyclic stretching: Their different effects on the passive torque–angle curve. J Sci Med Sport 2010; 13:156-60. [DOI: 10.1016/j.jsams.2009.02.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2007] [Revised: 02/03/2009] [Accepted: 02/09/2009] [Indexed: 10/21/2022]
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22
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Nordez A, Fouré A, Dombroski E, Mariot JP, Cornu C, McNair P. Improvements to Hoang et al.'s method for measuring passive length–tension properties of human gastrocnemius muscle in vivo. J Biomech 2010; 43:379-82. [DOI: 10.1016/j.jbiomech.2009.07.034] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2009] [Revised: 07/20/2009] [Accepted: 07/20/2009] [Indexed: 11/26/2022]
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Fouré A, Nordez A, Cornu C. In Vivo Assessment of Both Active and Passive Parts of the Plantarflexors Series Elastic Component Stiffness Using the Alpha Method: A Reliability Study. Int J Sports Med 2009; 31:51-7. [DOI: 10.1055/s-0029-1241210] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Cornu C, Nordez A, Bideau B. Shoulder Rotators Electro-Mechanical Properties Change with Intensive Volleyball Practice: A Pilot Study. Int J Sports Med 2009; 30:857-62. [PMID: 20013556 DOI: 10.1055/s-0029-1237390] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Fouré A, Nordez A, Guette M, Cornu C. Effects of plyometric training on passive stiffness of gastrocnemii and the musculo-articular complex of the ankle joint. Scand J Med Sci Sports 2009; 19:811-8. [PMID: 19508650 DOI: 10.1111/j.1600-0838.2008.00853.x] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
This study aimed to determine simultaneously the effects of plyometric training on the passive stiffness of the ankle joint musculo-articular complex, the gastrocnemii muscle-tendon complex (MTC) and the Achilles tendon in order to assess possible local adaptations of elastic properties. Seventeen subjects were divided into a trained (TG) group and a control (CG) group. They were tested before and after 8 weeks of a plyometric training period. The ankle joint range of motion (RoM), the global musculo-articular passive stiffness of the ankle joint, the maximal passive stiffness of gastrocnemii and the stiffness of the Achilles tendon during isometric plantar flexion were determined. A significant increase in the jump performances of TG relative to CG was found (squat jumps: +17.6%, P=0.008; reactive jumps: +19.8%, P=0.001). No significant effect of plyometric training was observed in the ankle joint RoM, musculo-articular passive stiffness of the ankle joint or Achilles tendon stiffness (P>0.05). In contrast, the maximal passive stiffness of gastrocnemii of TG increased after plyometric training relative to CG (+33.3%, P=0.001). Thus, a specific adaptation of the gastrocnemii MTC occurred after plyometric training, without affecting the global passive musculo-articular stiffness of the ankle joint.
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Affiliation(s)
- A Fouré
- Laboratoire Motricité, Interactions, Performance- EA 4334, UFR STAPS, Université de Nantes, Nantes Atlantique Universités, Nantes, Cedex, France
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Nordez A, Guével A, Casari P, Catheline S, Cornu C. Assessment of muscle hardness changes induced by a submaximal fatiguing isometric contraction. J Electromyogr Kinesiol 2009; 19:484-91. [PMID: 18158253 DOI: 10.1016/j.jelekin.2007.11.005] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2007] [Revised: 11/08/2007] [Accepted: 11/08/2007] [Indexed: 11/17/2022] Open
Affiliation(s)
- A Nordez
- Université de Nantes, Nantes Atlantique Universités, Laboratoire Motricité, Interactions, Performance, JE 2438, UFR STAPS, 25 bis Bd Guy Mollet BP 72206, Nantes F-44000, France
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Südhoff I, de Guise JA, Nordez A, Jolivet E, Bonneau D, Khoury V, Skalli W. 3D-patient-specific geometry of the muscles involved in knee motion from selected MRI images. Med Biol Eng Comput 2009; 47:579-87. [PMID: 19277749 DOI: 10.1007/s11517-009-0466-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2007] [Accepted: 02/12/2009] [Indexed: 01/06/2023]
Abstract
Patient-specific muscle geometry is not only an interesting clinical tool to evaluate different pathologies and treatments, but also provides an essential input data to more realistic musculoskeletal models. The protocol set up in our study provided the 3D-patient-specific geometry of the 13 main muscles involved in the knee joint motion from a few selected magnetic resonance images (MRIs). The contours of the muscles were identified on five to seven MRI axial slices. A parametric-specific object was then constructed for each muscle and deformed to fit those contours. The 13 muscles were obtained within 1 h, with less than 5% volume error and 5 mm point-surface error (2RMS). From this geometry, muscle volumes and volumic fractions of asymptomatic and anterior cruciate ligament deficient subjects could easily be computed and compared to previous studies. This protocol provides an interesting precision/time trade-off to obtain patient-specific muscular geometry.
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Affiliation(s)
- I Südhoff
- Arts et Metiers Paristech, CNRS, Paris, France.
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Nordez A, McNair P, Casari P, Cornu C. Acute Changes in Hamstrings Musculo-Articular Dissipative Properties Induced by Cyclic and Static Stretching. Int J Sports Med 2008; 29:414-8. [DOI: 10.1055/s-2007-964980] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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29
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Guilhem G, Nordez A, Lafoux A, Guével A, Cornu C. Development of a methodology for the standardisation of isotonic vs. isokinetic eccentric contraction modes. Comput Methods Biomech Biomed Engin 2008. [DOI: 10.1080/10255840802297077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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30
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Nordez A, Casari P, McNair P, Cornu C. Characterisation and modelling of the acute effects of cyclic and static stretching on the passive mechanical properties of the musculo-articular complex. Comput Methods Biomech Biomed Engin 2008. [DOI: 10.1080/10255840802297283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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31
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Assi A, Nordez A, Jolivet E, Haddad A, Ghanem I, Skalli W. Subject specific 3D lower limbs muscle reconstructions for children with cerebral palsy. Comput Methods Biomech Biomed Engin 2008. [DOI: 10.1080/10255840802296962] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Abstract
The aim of this study was to compare the power provided by a recent ergometer with the power developed by the rower determined using mechanical sensors set on the same apparatus. Six rowers and six non-rowers performed a power graded test and an all-out start on an instrumented ergometer (Concept2 system, model D, Morrisville, VT, USA). Power values displayed by the ergometer were recorded with a specific software. A strain gauge placed near the handle and a position sensor installed on the chain allowed the calculation of the power developed by the rower. Power values provided by the ergometer were strongly correlated to those determined with a direct measurement and calculation of power. However, power values given by the Concept2 system were lower (- 17.4 to - 72.4 W) than those calculated using mechanical sensors. This difference in power measurements was lower at a steady pace and for rowers. The Concept2 system underestimates the power produced by the rower by approximately 25 W. This difference in power seems to be independent of the level of power developed but increases with variations in intensity and pace. The deletion of the first strokes following changes in power production allows to limit this phenomenon. According to the use of the power parameter in the experimental design, it could be appropriate to correct values provided by the Concept2 ergometer.
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Affiliation(s)
- S Boyas
- Laboratory "Motricité, Interactions, Performance" JE 2438, UFR STAPS, Université de Nantes, Nantes, France.
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Nordez A, Cornu C, Casari P, Catheline S. Characterization of muscle belly elastic properties during passive stretching using transient elastography. J Biomech 2006. [DOI: 10.1016/s0021-9290(06)83019-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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