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KMID : 1146820180200020061
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Asian Journal of Kinesiology
2018 Volume.20 No. 2 p.61 ~ p.72
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Effects of Yoga Poses on Spinal Range of Motion, Posterior Superior Iliac Spine Levels and Muscle Activity According to Pelvic Displacement in Middle-aged Women
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Kim Ah-Ram
Lee Sun-Ah
Lee Ho-Seong
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Abstract
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PURPOSE: The purpose of this study was to investigate the effects of yoga poses on spinal range of motion, posterior superior iliac spine levels and muscle activity according to pelvic displacement in middle-aged women.
METHODS: Twenty middle-aged women were selected to normal pelvic displacement group (CON, n=6), anterior pelvic tilt group (APG, n=6) and posterior pelvic tilt group (PPG, n=8). Spinal range of motion, posterior superior iliac spine levels and muscle activity were measured during Yoga poses (Janusirsa asana, parivrrta upavistha konasana, parsva upavistha konasana, virabaddra asana III).
RESULTS: The following were the main results. Right trunk flexion and pelvic tilt during right janushirasana asana were significantly decreased at APG and PPG compared to CON (p<.05, respectively). Also, pelvic tilt during right parivrrta upavistha konasana was significantly decreased at APG and PPG compared to CON (p<.05, respectively). Furthermore, muscle activity in the erector spine, glutes medius, biceps femoris, and gastrocnemius during yoga poses were significantly increased at APG compared to CON (p<.05, respectively), and muscle activity in the glutes medius during yoga poses was significantly increased at PPG compared to CON (p<.05).
CONCLUSIONS: These results confirms that yoga poses in middle-aged women with pelvic displacement make a negative effect on spinal joint motion range, posterior superior iliac spine levels and muscle activity.
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KEYWORD
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Muscle activity, Pelvic displacement, Posterior superior iliac spine levels, Yoga poses
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