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Nemoto S, Nakabo T, Tashiro N, Kishino A, Yoshikawa A, Nakamura D, Geshi E. Relationship among muscle strength, muscle endurance, and skeletal muscle oxygenation dynamics during ramp incremental cycle exercise. Sci Rep 2024; 14:11676. [PMID: 38778135 PMCID: PMC11111797 DOI: 10.1038/s41598-024-61529-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 05/07/2024] [Indexed: 05/25/2024] Open
Abstract
Peak oxygen uptake (VO2), evaluated as exercise tolerance, is a strong predictor of life prognosis regardless of health condition. Several previous studies have reported that peak VO2 is higher in those with a greater decrease in muscle oxygen saturation (SmO2) in the active muscles during incremental exercise. However, the skeletal muscle characteristics of individuals exhibiting a greater decrease in SmO2 during active muscle engagement in incremental exercise remain unclear. This study aimed to clarify the relationship among muscle strength, muscle endurance, and skeletal muscle oxygenation dynamics in active leg muscles during incremental exercise. Twenty-four healthy young men were included and categorized into the non-moderate-to-high muscular strength and endurance group (those with low leg muscle strength, endurance, or both; n = 11) and the moderate-to-high muscular strength and endurance group (those with both moderate-to-high leg muscle strength and endurance; n = 13). All participants underwent cardiopulmonary exercise testing combined with near-infrared spectroscopy to assess whole-body peak VO2 and the change in SmO2 at the lateral vastus lateralis from rest to each exercise stage as skeletal muscle oxygenation dynamics. A linear mixed-effects model, with the change in SmO2 from rest to each stage as the dependent variable, individual participants as random effects, and group and exercise load as fixed effects, revealed significant main effects for both group (P = 0.001) and exercise load (P < 0.001) as well as a significant interaction between the two factors (P < 0.001). Furthermore, multiple-comparison test results showed that the change in SmO2 from rest to 40%-100% peak VO2 was significantly higher in the moderate-to-high muscular strength and endurance group than in the non-moderate-to-high muscular strength and endurance group. Maintaining both muscle strength and endurance at moderate or higher levels contributes to high skeletal muscle oxygenation dynamics (i.e., greater decrease in SmO2) during moderate- or high-intensity exercise.
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Affiliation(s)
- Shinji Nemoto
- Department of Physical Therapy, Showa University School of Nursing and Rehabilitation Sciences, 1865 Tokaichiba-cho, Midori-ku, Yokohama, Kanagawa, 226-8555, Japan.
| | - Tohru Nakabo
- Department of Physical Therapy, Showa University School of Nursing and Rehabilitation Sciences, 1865 Tokaichiba-cho, Midori-ku, Yokohama, Kanagawa, 226-8555, Japan
| | - Naonori Tashiro
- Division of Health Science Education, Showa University School of Nursing and Rehabilitation Sciences, Yokohama, Japan
| | - Asami Kishino
- Department of Physical Therapy, Showa University School of Nursing and Rehabilitation Sciences, 1865 Tokaichiba-cho, Midori-ku, Yokohama, Kanagawa, 226-8555, Japan
| | - Akira Yoshikawa
- Division of Health Science Education, Showa University School of Nursing and Rehabilitation Sciences, Yokohama, Japan
| | - Daisuke Nakamura
- Department of Physical Therapy, Showa University School of Nursing and Rehabilitation Sciences, 1865 Tokaichiba-cho, Midori-ku, Yokohama, Kanagawa, 226-8555, Japan
| | - Eiichi Geshi
- Office of Institutional Research, Showa University, Tokyo, Japan
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Lin TY, Chen JJJ, Lin LL, Ou Yang WT, Chen MY, Tsai YC. Effects of multicomponent exercise training on muscle oxygenation in young and older adults. J Exerc Sci Fit 2023; 21:138-146. [PMID: 36606262 PMCID: PMC9800305 DOI: 10.1016/j.jesf.2022.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 11/23/2022] [Accepted: 12/05/2022] [Indexed: 12/14/2022] Open
Abstract
Objective Though multicomponent exercise training was found beneficial in improving the physical functionality, the effects of multicomponent exercise training on muscle oxygenation are still unclear. The purpose of this study was to investigate the effects of multicomponent exercise training on muscle oxygenation in young and older participants. Methods In this study, 17 young adults (Y) and 18 healthy older adults (E) were recruited to receive a multicomponent exercise training for 12 weeks, 2-3 sessions per week. Muscle oxygenation, muscle strength, and electromyography data were collected and compared pre- and post-training. Muscle oxygen saturation (SpO2) during isometric knee extension tests involving voluntary contraction (VOL) and electrical stimulation (ES) was measured by near-infrared spectroscopy. The SpO2 kinetics in the contraction and recovery phases were calculated using a tangential model to extract ΔSpO2 and inflection time (IF). Results Muscle strength significantly increased in the post-training (234.31 ± 83.2 N·m, p < 0.05). The post-training ΔSpO2 of the ES in the Y (8.43 ± 5.35%) significantly increased and was higher than that in the E (2.78 ± 3.03%, p < 0.05). In the recovery phase, the post-training IF of VOL (7.07 ± 3.31s) was significantly shorter than that of the pre-training period (8.73 ± 4.46s, p < 0.05). Additionally, the median frequency of electromyography significantly decreased in the post-training period (103.84 ± 21.75 Hz, p < 0.05). Conclusion The multicomponent exercise training improved the muscle strength, neuromuscular performance, and muscle aerobic function irrespective of age. The primary adaptation of the muscles to the multicomponent exercise training between the two groups varied.
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Affiliation(s)
- Tai-You Lin
- National Sport Training Center, Kaohsiung, Taiwan
| | - Jia-Jin J. Chen
- Department of Biomedical Engineering, National Cheng Kung University, Tainan, Taiwan
| | - Linda L. Lin
- Institute of Physical Education, Health and Leisure Studies, National Cheng Kung University, Tainan, Taiwan,Corresponding author. Institute of Physical Education, Health and Leisure Studies, National Cheng Kung University, No 1. Ta-Hsueh Rd., Tainan, Taiwan.
| | - Wei-Tsun Ou Yang
- Department of Biomedical Engineering, National Cheng Kung University, Tainan, Taiwan
| | - Meng-Yu Chen
- Institute of Physical Education, Health and Leisure Studies, National Cheng Kung University, Tainan, Taiwan
| | - Yueh-Chang Tsai
- Institute of Physical Education, Health and Leisure Studies, National Cheng Kung University, Tainan, Taiwan
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Paungmali A, Henry LJ, Sitilertpisan P, Pirunsan U, Uthaikhup S. Improvements in tissue blood flow and lumbopelvic stability after lumbopelvic core stabilization training in patients with chronic non-specific low back pain. J Phys Ther Sci 2016; 28:635-40. [PMID: 27064327 PMCID: PMC4793024 DOI: 10.1589/jpts.28.635] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Accepted: 11/19/2015] [Indexed: 02/05/2023] Open
Abstract
[Purpose] This study investigated the effects of lumbopelvic stabilization training on
tissue blood flow changes in the lumbopelvic region and lumbopelvic stability compared to
placebo treatment and controlled intervention among patients with chronic non-specific low
back pain. [Subjects and Methods] A total of 25 participants (7 males, 18 females; mean
age, 33.3 ± 14.4 years) participated in this within-subject, repeated-measures,
double-blind, placebo-controlled comparison trial. The participants randomly underwent
three types of interventions that included lumbopelvic stabilization training, placebo
treatment, and controlled intervention with 48 hours between sessions. Lumbopelvic
stability and tissue blood flow were measured using a pressure biofeedback device and a
laser Doppler flow meter before and after the interventions. [Results] The
repeated-measures analysis of variance results demonstrated a significant increase in
tissue blood flow over the lumbopelvic region tissues for post- versus pre-lumbopelvic
stabilization training and compared to placebo and control interventions. A significant
increase in lumbopelvic stability before and after lumbopelvic stabilization training was
noted, as well as upon comparison to placebo and control interventions. [Conclusion] The
current study supports an increase in tissue blood flow in the lumbopelvic region and
improved lumbopelvic stability after core training among patients with chronic
non-specific low back pain.
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Affiliation(s)
- Aatit Paungmali
- Department of Physical Therapy, Faculty of Associated Medical Sciences, Chiang Mai University, Thailand
| | - Leonard Joseph Henry
- Department of Physical Therapy, Faculty of Associated Medical Sciences, Chiang Mai University, Thailand; Physiotherapy Program, School of Rehabilitation Sciences, Faculty of Health Sciences, University Kebangsaan Malaysia, Malaysia
| | - Patraporn Sitilertpisan
- Department of Physical Therapy, Faculty of Associated Medical Sciences, Chiang Mai University, Thailand
| | - Ubon Pirunsan
- Department of Physical Therapy, Faculty of Associated Medical Sciences, Chiang Mai University, Thailand
| | - Sureeporn Uthaikhup
- Department of Physical Therapy, Faculty of Associated Medical Sciences, Chiang Mai University, Thailand
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Kang DY, Kim HS, Lee KS, Kim YM. The effects of bodyweight-based exercise with blood flow restriction on isokinetic knee muscular function and thigh circumference in college students. J Phys Ther Sci 2015; 27:2709-12. [PMID: 26504274 PMCID: PMC4616075 DOI: 10.1589/jpts.27.2709] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2015] [Accepted: 05/25/2015] [Indexed: 11/25/2022] Open
Abstract
[Purpose] The purpose of this study was to investigate the effects of bodyweight-based exercise with blood flow restriction on isokinetic muscular function and thigh circumference in college students. [Subjects and Methods] The subjects were 17 college students who were recruited and randomly assigned to bodyweight-based exercise with blood flow restriction and bodyweight-based exercise groups. Participants performed front lunges and squats at ratings of perceived exertion of 11-13 three times a week during a 6-week training period. The peak torque/ body weight (%) of the knee flexor and extensor was measured using a HUMAC NORM System (Cybex 770-NORM(®), Cybex International, Medway, MA, USA), and the circumference of the thigh was measured. PASW Statistics was used for data analysis. [Results] There were significant differences in the peak torque/ body weight (%) of the flexors in both thighs (at 180°/sec) after bodyweight-based exercise with blood flow restriction. In addition, the circumference changes in both thighs were significant after bodyweight-based exercise with blood flow restriction and between the two groups. [Conclusion] This study suggests that bodyweight-based exercise with blood flow restriction may be an effective method to improve the muscle power and hypertrophy of the lower extremity in a clinical setting.
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Affiliation(s)
- Dong Yeon Kang
- Department of Physical Therapy, DongJu College, Republic of Korea
| | - Hyoung Su Kim
- Department of Physical Therapy, DongJu College, Republic of Korea
| | - Kyung Soon Lee
- Department of Physical Therapy, DongJu College, Republic of Korea
| | - Young Mi Kim
- Department of Physical Therapy, College of Rehabilitation
Science, Daegu University, Republic of Korea
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Ito K, Nozoe T, Okuda M, Nonaka K, Yamahara J, Horie J, Hayama Y, Kawamura H. Electrically stimulated ventilation feedback improves the ventilation pattern in patients with COPD. J Phys Ther Sci 2015; 27:325-30. [PMID: 25729161 PMCID: PMC4339131 DOI: 10.1589/jpts.27.325] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Accepted: 08/24/2014] [Indexed: 11/24/2022] Open
Abstract
[Purpose] We aimed to determine the effects of ventilation feedback using electrical
stimulation on ventilation pattern during exercise in patients with chronic obstructive
pulmonary disease (COPD), and develop new rehabilitation methods. [Subjects] This
randomized double-blind placebo-controlled trial included 24 patients with COPD. [Methods]
Phasic electrical stimulation during expiration (PESE) or a placebo was given to all the
cases. Minute ventilation (VE), tidal volume (TV), respiratory rate (RR), expiratory time
(Te), total respiratory time (Ttot), dead-space gas volume to tidal gas volume (VD/VT),
oxygen uptake (VO2), carbon dioxide output (VCO2), Borg scale
(Borg), and percutaneous oxygen saturation (SpO2) during rest and exercise were
assessed. [Results] The placebo group showed no obvious change in ventilation measurements
at rest or during exercise. However, in the PESE group, TV, Te, and Ttot significantly
increased, while RR and VD/VT significantly decreased during exercise compared with the
baseline measurements. Borg scores, SpO2, VO2, or VCO2
did not differ significantly. [Conclusion] PESE improves the ventilation pattern during
rest and exercise. Furthermore, PESE does not increase VO2, which may indicate
an increased workload. Biofeedback may contribute to PESE effects. Stimulation applied
during expiration may evoke sensations increasing prolonged expiration awareness,
facilitating prolongation.
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Affiliation(s)
- Kenichi Ito
- Graduate School of Comprehensive Rehabilitation, Osaka Prefecture University, Japan
| | - Tatsuo Nozoe
- Department of Rehabilitation Medicine, Hospital, Anti-Tuberculosis Association, Osaka Branch, Japan
| | - Miyuki Okuda
- Department of Internal Medicine, Hospital, Anti-Tuberculosis Association, Japan
| | - Koji Nonaka
- Graduate School of Comprehensive Rehabilitation, Osaka Prefecture University, Japan
| | - Jun Yamahara
- Department of Rehabilitation Medicine, National Hospital Organization, Osaka Minami Medical Center, Japan
| | - Jun Horie
- Faculty of Health Sciences, Kyoto Tachibana University, Japan
| | - Yuka Hayama
- Faculty of Nursing, Baika Women's University, Japan
| | - Hirobumi Kawamura
- Faculty of Nursing and Rehabilitation, Konan Women's University, Japan
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Lin TY, Lin LL, Ho TC, Chen JJJ. Investigating the adaptation of muscle oxygenation to resistance training for elders and young men using near-infrared spectroscopy. Eur J Appl Physiol 2013; 114:187-96. [PMID: 24189687 DOI: 10.1007/s00421-013-2763-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2013] [Accepted: 10/24/2013] [Indexed: 11/28/2022]
Abstract
PURPOSE The purpose of this study was to investigate the differences in resistance training adaptation on muscle oxygenation between young and elderly subjects. Groups of eleven trained young, untrained young, trained elderly, and untrained elderly (UTE) were recruited. METHODS Muscle oxygenation of the vastus lateralis muscle during 20 % maximal voluntary isometric contraction was observed using near-infrared spectroscopy. The oxygen saturation (SpO2) kinetics in the contraction and recovery phases was modeled with a tangential model to extract ΔSpO2 and inflection time (IF). The median frequencies of SpO2 data representing the change of tissue oxygenation oscillation were compared. RESULTS The ΔSpO2 values for the trained groups (12.00 ± 7.86%) were significantly higher than those for the untrained groups (5.91 ± 4.36%, P < 0.05), and those for the young groups (11.63 ± 7.52%) were significantly higher than those for the older groups (6.29 ± 4.70%, P < 0.05). In the recovery phase, the IF was significantly longer for the elderly groups (10.32 ± 4.39 s, P < 0.05) than that for the young groups (6.31 ± 3.69 s). The median frequency of tissue oxygenation oscillation was significantly lower for the TE group (0.41 ± 0.12 Hz, P < 0.05) than that for the UTE group (0.57 ± 0.13 Hz). CONCLUSIONS The increased ΔSpO2 in trained groups during muscle contraction may be due to lower microvascular O2 pressure. The lower median frequency for the TE group indicates that tissue oxygenation oscillation significantly trended toward low-frequency oscillation, possibly resulting from the enhancement of vascular function.
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Affiliation(s)
- Tai-You Lin
- Department of Biomedical Engineering, National Cheng Kung University, No 1. Ta-Hsueh Rd, Tainan, 701, Taiwan
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