Effect of trunk extensor fatigue on the postural balance of elderly and young adults during unipodal task

Muscle fatigue can influence the various mechanisms that regulate balance. Few studies have investigated the effects of trunk extensor muscle fatigue on postural control. The purpose of this study was to evaluate the impact of trunk extensor fatigue during a one-leg balance test in young and elderly...

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Bibliographic Details
Published in:European journal of applied physiology 2013-08, Vol.113 (8), p.1989-1996
Main Authors: Parreira, Rodolfo B., Amorim, César F., Gil, André W., Teixeira, Denilson C., Bilodeau, Martin, da Silva, Rubens A.
Format: Article
Language:English
Subjects:
Activities of daily living
Adolescent
Adult
Aged
Aging
Aging - physiology
Biomedical and Life Sciences
Biomedicine
Exercise
Female
Human Physiology
Humans
Investigations
Leg - physiology
Male
Muscle Fatigue
Muscle, Skeletal - physiology
Occupational Medicine/Industrial Medicine
Older people
Original Article
Physical fitness
Postural Balance
Posture
Sports Medicine
Young adults
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Summary:Muscle fatigue can influence the various mechanisms that regulate balance. Few studies have investigated the effects of trunk extensor muscle fatigue on postural control. The purpose of this study was to evaluate the impact of trunk extensor fatigue during a one-leg balance test in young and elderly adults, as well as to determine the time necessary to recover posture control after fatigue. A total of 36 subjects (18 elderly and 18 young adults) participated in the study. Subjects were tested on a force platform to assess the postural control parameters associated with center of pressure (COP) movements, before and after a fatiguing trunk extension-flexion exercise on a roman chair carried out to exhaustion. Post-fatigue effects and postural control recovery were investigated at different times in minutes (MIN): immediately post-fatigue (postIME), after 5 (rec5MIN), 10 (rec10MIN), and 20 min (rec20MIN). Elderly subjects had greater sway ( P  
ISSN:1439-6319
1439-6327
DOI:10.1007/s00421-013-2627-6