Effects of Whole Body Vibration on Muscle Contractile Properties in Exercise Induced Muscle Damaged Females

Abstract Determining muscle contractile properties following exercise is critical in understanding neuromuscular function. Following high intensity training, individuals often experience exercise induced muscle damage (EIMD). The purpose of this investigation was to determine the effect of whole-bod...

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Bibliographic Details
Published in:Journal of electromyography and kinesiology 2016-10, Vol.30, p.119-125
Main Authors: Dabbs, Nicole C, Black, Christopher D, Garner, John C
Format: Article
Language:English
Subjects:
Electromyography - methods
EMG
Exercise - physiology
Female
Females
Humans
Isometric Contraction - physiology
Muscle torque
Muscle, Skeletal - injuries
Muscle, Skeletal - physiology
Physical Medicine and Rehabilitation
Physical Therapy Modalities - adverse effects
Soreness
Torque
Treatment Outcome
Vibration - adverse effects
Vibration - therapeutic use
Young Adult
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Summary:Abstract Determining muscle contractile properties following exercise is critical in understanding neuromuscular function. Following high intensity training, individuals often experience exercise induced muscle damage (EIMD). The purpose of this investigation was to determine the effect of whole-body vibration (WBV) on muscle contractile properties following EIMD. Twenty-seven females volunteered for 7 sessions and were randomly assigned to a treatment or control group. Muscle contractile properties were assessed via voluntary torque (VT), peak twitch torque (TT), time to reach peak torque, half relaxation time of twitch torque, percent activation (%ACT), rate of rise (RR), rate of decline (RD), mean and peak electromyography during maximum voluntary isometric contraction. Two testing sets were collected each day, consisting of pre measures followed by WBV or control and post measures. A mixed factor analysis of variance was conducted for each variable. %ACT measures found baseline being less than day 1 in both measures in the control group. TT was found to be greater in the control group compared to WBV group. TT and VT baseline measures were greater than all other time points. RR showed control group had higher values than WBV group. These results indicate that WBV following EIMD had some positive effects on muscle contractile properties.
ISSN:1050-6411
1873-5711
DOI:10.1016/j.jelekin.2016.06.008