- Volume 26 Issue 3
DOI QR Code
Electromyographic Analysis of Gluteus Maximus, Gluteus Medius, Hamstring and Erector Spinae Muscles Activity During the Bridge Exercise With Hip External Rotation in Different Knee Flexion Angles in Healthy Subjects
- Lee, Kyung-eun (Dept. of Physical Therapy, The Graduate School, Yonsei University) ;
- Baik, Seung-min (Dept. of Physical Therapy, The Graduate School, Yonsei University) ;
- Yi, Chung-hwi (Dept. of Physical Therapy, College of Health Science, Yonsei University) ;
- Kim, Seo-hyun (Dept. of Physical Therapy, The Graduate School, Yonsei University)
- Received : 2019.08.01
- Accepted : 2019.09.05
- Published : 2019.09.17
Background: The bridge exercise targets the gluteus maximus (Gmax) and gluteus medius (Gmed). However, there is also a risk of dominant hamstring (HAM) and erector spinae (ES) muscles. Objects: To analyze the muscle activity the of Gmax, Gmed, HAM and ES during the bridge exercise with and without hip external rotation in different degrees of knee flexion. Methods: Twenty-three subjects were participated. The electormyography (EMG) activity of the Gmax, Gmed, HAM and ES muscles was recorded during the exercise. The subjects performed the bridge exercise under four different conditions: (a) with
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