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Influence of full range of motion vs. equalized partial range of motion training on muscle architecture and mechanical properties

Purpose The purpose of this study was to determine the effect of a 15-week partial range of motion (ROM) resistance training program on the vastus lateralis (VL) architecture and mechanical properties, when the time under tension (TUT) was equalized. Methods Nineteen untrained male subjects were ran... Full description

Journal Title: European journal of applied physiology 2018-07-07, Vol.118 (9), p.1969-1983
Main Author: Valamatos, Maria João
Other Authors: Tavares, Francisco , Santos, Rute M , Veloso, António P , Mil-Homens, Pedro
Format: Electronic Article Electronic Article
Language: English
Subjects:
Arm
Publisher: Berlin/Heidelberg: Springer Berlin Heidelberg
ID: ISSN: 1439-6319
Link: https://www.ncbi.nlm.nih.gov/pubmed/29982844
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recordid: cdi_proquest_miscellaneous_2067133395
title: Influence of full range of motion vs. equalized partial range of motion training on muscle architecture and mechanical properties
format: Article
creator:
  • Valamatos, Maria João
  • Tavares, Francisco
  • Santos, Rute M
  • Veloso, António P
  • Mil-Homens, Pedro
subjects:
  • Adaptation, Physiological - physiology
  • Adaptations
  • Arm
  • Biomedical and Life Sciences
  • Biomedicine
  • Human performance
  • Human Physiology
  • Humans
  • Influence
  • Isometric Contraction - physiology
  • Knee
  • Knee Joint - physiology
  • Male
  • Mechanical properties
  • Morphology
  • Muscle contraction
  • Muscle Contraction - physiology
  • Muscle Strength - physiology
  • Muscle, Skeletal - physiology
  • Occupational Medicine/Industrial Medicine
  • Original Article
  • Physical training
  • Physiology
  • Quadriceps Muscle - physiology
  • Range of motion
  • Range of Motion, Articular - physiology
  • Resistance Training - methods
  • Rest - physiology
  • Sports Medicine
  • Strength training
  • Ultrasound
  • Variance analysis
ispartof: European journal of applied physiology, 2018-07-07, Vol.118 (9), p.1969-1983
description: Purpose The purpose of this study was to determine the effect of a 15-week partial range of motion (ROM) resistance training program on the vastus lateralis (VL) architecture and mechanical properties, when the time under tension (TUT) was equalized. Methods Nineteen untrained male subjects were randomly assigned to a control (Control; n  = 8) or training (TG; n  = 11) group. In the TG, the dominant and nondominant legs were randomly selected to be trained with a full ROM (FULL) or a partial ROM (PART) in an isokinetic dynamometer. Training volume was equalized based on the TUT by manipulating sets and repetitions. The VL muscle architecture was assessed by B-mode ultrasonography at rest and during maximal isometric knee extension contractions (MVCs) at ten knee angles. The VL fascicle force and specific tension were calculated from the MVCs with superimposed stimuli, accounting for the moment arm length, muscle architecture, and antagonist coactivation. Results The FULL training induced changes in fascicle length (FL) (4.9 ± 2.0%, P  
language: eng
source:
identifier: ISSN: 1439-6319
fulltext: no_fulltext
issn:
  • 1439-6319
  • 1439-6327
url: Link


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titleInfluence of full range of motion vs. equalized partial range of motion training on muscle architecture and mechanical properties
creatorValamatos, Maria João ; Tavares, Francisco ; Santos, Rute M ; Veloso, António P ; Mil-Homens, Pedro
creatorcontribValamatos, Maria João ; Tavares, Francisco ; Santos, Rute M ; Veloso, António P ; Mil-Homens, Pedro
descriptionPurpose The purpose of this study was to determine the effect of a 15-week partial range of motion (ROM) resistance training program on the vastus lateralis (VL) architecture and mechanical properties, when the time under tension (TUT) was equalized. Methods Nineteen untrained male subjects were randomly assigned to a control (Control; n  = 8) or training (TG; n  = 11) group. In the TG, the dominant and nondominant legs were randomly selected to be trained with a full ROM (FULL) or a partial ROM (PART) in an isokinetic dynamometer. Training volume was equalized based on the TUT by manipulating sets and repetitions. The VL muscle architecture was assessed by B-mode ultrasonography at rest and during maximal isometric knee extension contractions (MVCs) at ten knee angles. The VL fascicle force and specific tension were calculated from the MVCs with superimposed stimuli, accounting for the moment arm length, muscle architecture, and antagonist coactivation. Results The FULL training induced changes in fascicle length (FL) (4.9 ± 2.0%, P  < 0.001) and specific tension (25.8 ± 18.7%, P  < 0.001). There was a moderate effect of PART training on the physiological cross-sectional area (PCSA) (7.8 ± 4.0%, P  < 0.001, d av  = 0.6) and torque–angle adaptations (average increase 17.7 ± 3.9%, P  < 0.05). Conclusions These results provide evidence that crucial architectural and mechanical muscle adaptations are dependent on the ROM used in strength training. It seems that muscle FL and specific tension can be increased by pure concentric training if greater ROM is used. Conversely, restricting the ROM to shorter muscle lengths promotes a greater PCSA and angle-specific strength adaptations.
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subjectAdaptation, Physiological - physiology ; Adaptations ; Arm ; Biomedical and Life Sciences ; Biomedicine ; Human performance ; Human Physiology ; Humans ; Influence ; Isometric Contraction - physiology ; Knee ; Knee Joint - physiology ; Male ; Mechanical properties ; Morphology ; Muscle contraction ; Muscle Contraction - physiology ; Muscle Strength - physiology ; Muscle, Skeletal - physiology ; Occupational Medicine/Industrial Medicine ; Original Article ; Physical training ; Physiology ; Quadriceps Muscle - physiology ; Range of motion ; Range of Motion, Articular - physiology ; Resistance Training - methods ; Rest - physiology ; Sports Medicine ; Strength training ; Ultrasound ; Variance analysis
ispartofEuropean journal of applied physiology, 2018-07-07, Vol.118 (9), p.1969-1983
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descriptionPurpose The purpose of this study was to determine the effect of a 15-week partial range of motion (ROM) resistance training program on the vastus lateralis (VL) architecture and mechanical properties, when the time under tension (TUT) was equalized. Methods Nineteen untrained male subjects were randomly assigned to a control (Control; n  = 8) or training (TG; n  = 11) group. In the TG, the dominant and nondominant legs were randomly selected to be trained with a full ROM (FULL) or a partial ROM (PART) in an isokinetic dynamometer. Training volume was equalized based on the TUT by manipulating sets and repetitions. The VL muscle architecture was assessed by B-mode ultrasonography at rest and during maximal isometric knee extension contractions (MVCs) at ten knee angles. The VL fascicle force and specific tension were calculated from the MVCs with superimposed stimuli, accounting for the moment arm length, muscle architecture, and antagonist coactivation. Results The FULL training induced changes in fascicle length (FL) (4.9 ± 2.0%, P  < 0.001) and specific tension (25.8 ± 18.7%, P  < 0.001). There was a moderate effect of PART training on the physiological cross-sectional area (PCSA) (7.8 ± 4.0%, P  < 0.001, d av  = 0.6) and torque–angle adaptations (average increase 17.7 ± 3.9%, P  < 0.05). Conclusions These results provide evidence that crucial architectural and mechanical muscle adaptations are dependent on the ROM used in strength training. It seems that muscle FL and specific tension can be increased by pure concentric training if greater ROM is used. Conversely, restricting the ROM to shorter muscle lengths promotes a greater PCSA and angle-specific strength adaptations.
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1Adaptations
2Arm
3Biomedical and Life Sciences
4Biomedicine
5Human performance
6Human Physiology
7Humans
8Influence
9Isometric Contraction - physiology
10Knee
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16Muscle Contraction - physiology
17Muscle Strength - physiology
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19Occupational Medicine/Industrial Medicine
20Original Article
21Physical training
22Physiology
23Quadriceps Muscle - physiology
24Range of motion
25Range of Motion, Articular - physiology
26Resistance Training - methods
27Rest - physiology
28Sports Medicine
29Strength training
30Ultrasound
31Variance analysis
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titleInfluence of full range of motion vs. equalized partial range of motion training on muscle architecture and mechanical properties
authorValamatos, Maria João ; Tavares, Francisco ; Santos, Rute M ; Veloso, António P ; Mil-Homens, Pedro
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abstractPurpose The purpose of this study was to determine the effect of a 15-week partial range of motion (ROM) resistance training program on the vastus lateralis (VL) architecture and mechanical properties, when the time under tension (TUT) was equalized. Methods Nineteen untrained male subjects were randomly assigned to a control (Control; n  = 8) or training (TG; n  = 11) group. In the TG, the dominant and nondominant legs were randomly selected to be trained with a full ROM (FULL) or a partial ROM (PART) in an isokinetic dynamometer. Training volume was equalized based on the TUT by manipulating sets and repetitions. The VL muscle architecture was assessed by B-mode ultrasonography at rest and during maximal isometric knee extension contractions (MVCs) at ten knee angles. The VL fascicle force and specific tension were calculated from the MVCs with superimposed stimuli, accounting for the moment arm length, muscle architecture, and antagonist coactivation. Results The FULL training induced changes in fascicle length (FL) (4.9 ± 2.0%, P  < 0.001) and specific tension (25.8 ± 18.7%, P  < 0.001). There was a moderate effect of PART training on the physiological cross-sectional area (PCSA) (7.8 ± 4.0%, P  < 0.001, d av  = 0.6) and torque–angle adaptations (average increase 17.7 ± 3.9%, P  < 0.05). Conclusions These results provide evidence that crucial architectural and mechanical muscle adaptations are dependent on the ROM used in strength training. It seems that muscle FL and specific tension can be increased by pure concentric training if greater ROM is used. Conversely, restricting the ROM to shorter muscle lengths promotes a greater PCSA and angle-specific strength adaptations.
copBerlin/Heidelberg
pubSpringer Berlin Heidelberg
pmid29982844
doi10.1007/s00421-018-3932-x
orcididhttps://orcid.org/0000-0002-0983-1973