Comparison of the gluteus medius and rectus femoris muscle activities during natural sit-to-stand and sit-to-stand with hip abduction in young and older adults

Journal of Physical Therapy Science
Eun-Mi Jang, Won-Gyu Yoo

Abstract

[Purpose] The purpose of this study was to compare the relative levels of activation of the gluteus medius (Gmed) and rectus femoris (RF) muscles during natural (N) sit-to-stand (STS) and STS with hip abduction (ABD) in young and elderly females. [Subjects] We recruited 15 healthy young females and 15 healthy elderly females. [Methods] The activities of the dominant lower extremity gluteus medius (Gmed) and rectus femoris (RF) muscles were measured using a wireless electromyography (EMG) system for natural STS and STS with hip abduction. [Result] In the elderly subjects, the Gmed increased significantly and RF decreased significantly when STS was performed with hip ABD compared with when it was performed naturally. The Gmed in the elderly subjects was significantly increased during natural STS compared with in the young subjects. [Conclusion] These results indicate that the Gmed was recruited to compensate for weakened RF muscle function in the elderly adults.

References

Apr 6, 2000·Journal of Applied Physiology·W R FronteraR Roubenoff
Apr 16, 2003·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Timothy J BrindleJean McCrory
Nov 9, 2005·Gait & Posture·Michael E HahnLi-Shan Chou
Nov 7, 2006·Archives of Physical Medicine and Rehabilitation·Michelle C BolingRobert G Hosey
Mar 31, 2012·Medicine and Science in Sports and Exercise·Theresa Helissa NakagawaAnd Fábio Viadanna Serrão
Apr 8, 2014·Journal of Physical Therapy Science·Se-Yeon Park, Won-Gyu Yoo

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Citations

Oct 28, 2015·PloS One·Cristina Roldán-JiménezAntonio I Cuesta-Vargas
Apr 12, 2016·Journal of Physical Therapy Science·Byoung-Hwan OhChan-Woo Nam

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Software Mentioned

STS
SPSS

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