Analysis of vastus lateralis and vastus medialis oblique muscle activation during squat exercise with and without a variety of tools in normal adults

[Purpose] The present study investigated the effects of squat exercises with and without a variety of tools including a gym ball, wedge, and elastic band on the vastus lateralis and vastus medialis oblique muscles. [Subjects and Methods] A total of twenty healthy subjects with no history of neurolog...

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Bibliographic Details
Published in:Journal of Physical Therapy Science 2016, Vol.28(3), pp.1071-1073
Main Authors: Lee, Tae-kyung, Park, So-mi, Yun, Sae-bom, Lee, Ae-ran, Lee, Yun-seob, Yong, Min-sik
Format: Article
Language:English
Subjects:
Original
Squat
Vastus lateralis muscle
Vastus medialis oblique muscle
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Summary:[Purpose] The present study investigated the effects of squat exercises with and without a variety of tools including a gym ball, wedge, and elastic band on the vastus lateralis and vastus medialis oblique muscles. [Subjects and Methods] A total of twenty healthy subjects with no history of neurological, musculoskeletal injury, or pain in the lower extremities were recruited. All subjects performed four types of exercise (conventional squat exercise, squat exercise with a gym ball, squat exercise with a wedge, squat exercise with an elastic band). [Results] There were no significant differences between exercises in comparison of the vastus lateralis muscle activity. In the squat exercise with a wedge, significantly higher activity of the vastus medialis oblique muscle was found compared with in the squat exercise with an elastic band. [Conclusion] The present study suggests that the conventional squat exercise can be one of the useful interventions for patients with patellofemoral pain syndrome.
ISSN:0915-5287
2187-5626
DOI:10.1589/jpts.28.1071