Muscle activity of leg muscles during unipedal stance on therapy devices with different stability properties

Abstract Objectives To test the hypotheses that less stable therapy devices require greater muscle activity and that lower leg muscles will have greater increases in muscle activity with less stable therapy devices than upper leg muscles. Design Cross-sectional laboratory study. Setting Laboratory s...

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Bibliographic Details
Published in:Physical therapy in sport 2016-01, Vol.17, p.58-62
Main Authors: Wolburg, Thomas, Rapp, Walter, Rieger, Jochen, Horstmann, Thomas
Format: Article
Language:English
Subjects:
Adult
Ankle
Balance training
Cross-Sectional Studies
Electromyography
Equipment Design
Female
Humans
Leg - physiology
Leg Injuries - rehabilitation
Legs
Lower extremity
Male
Muscle activity
Muscle, Skeletal - physiology
Muscular system
Physical Medicine and Rehabilitation
Physical therapy
Physical Therapy Modalities - instrumentation
Postural Balance - physiology
Sports Medicine
Stability properties
Variance analysis
Walking - physiology
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Summary:Abstract Objectives To test the hypotheses that less stable therapy devices require greater muscle activity and that lower leg muscles will have greater increases in muscle activity with less stable therapy devices than upper leg muscles. Design Cross-sectional laboratory study. Setting Laboratory setting. Participants Twenty-five healthy subjects. Main outcome measures Electromyographic activity of four lower (gastrocnemius medialis, soleus, tibialis anterior, peroneus longus) and four upper leg muscles (vastus medialis and lateralis, biceps femoris, semitendinosus) during unipedal quiet barefoot stance on the dominant leg on a flat rigid surface and on five therapy devices with varying stability properties. Results Muscle activity during unipedal stance differed significantly between therapy devices (P 
ISSN:1466-853X
1873-1600
DOI:10.1016/j.ptsp.2015.05.001