The effect of different hip rotation angles on electromyography activity of the quadriceps muscle during closed kinetic chain tasks in healthy females

Journal of Physical Therapy Science
Neda BabadiHosnieh Roostaei

Abstract

[Purpose] The purpose of this study was to investigate electromyographic activity of the quadriceps muscle in different positions of hip rotation (while standing on the toes) in healthy females. [Participants and Methods] The study was conducted on 35 healthy females. Electromyographic activity of the rectus femoris, vastus medialis oblique, and vastus lateralis muscles were recorded with the hip in a neutral position as well as different angles of internal and external rotation (15, 30, and 45 degrees (°)) while the participants were standing on their toes. [Results] There was a significant difference of 15° in external rotation, a neutral position, 15° of internal rotation, and at the end of an internal rotation position. Paired comparison between muscle activity using Bonferroni showed that vastus lateralis activity in 15° of external rotation, a neutral position, 15° of internal rotation, and at the end of a position of internal rotation was more than that of rectus femoris muscle. [Conclusion] The present study showed that average vastus lateralis activity was the highest in all positions. However, the positions studied in the current study did not lead to an increase in muscle activity of the vastus medialis oblique as a ...Continue Reading

References

Oct 6, 2000·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·H J HermensG Rau
Apr 14, 2005·Archives of Physical Medicine and Rehabilitation·Rebecca Mellor, Paul W Hodges
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Aug 2, 2011·Physical Therapy in Sport : Official Journal of the Association of Chartered Physiotherapists in Sports Medicine·Chen-Yi SongYeong-Fwu Lin
Sep 20, 2011·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·Boram ChoiHye-Seon Jeon
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Jan 15, 2013·Physical Therapy in Sport : Official Journal of the Association of Chartered Physiotherapists in Sports Medicine·Hsien-Te PengChen-Yi Song

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Citations

Aug 19, 2020·PloS One·Marc Elmeua González, Nejc Šarabon

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Software Mentioned

SPSS
SENIAM

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