Effect of Different Positions on Gluteus Maximus Electrical Activity in Asymptomatic Subjects: A Cross-Sectional Observational Study | ||
| Benha International Journal of Physical Therapy | ||
| Volume 3, Issue 2, December 2025, Pages 274-284 PDF (521.67 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/bijpt.2025.426627.1120 | ||
| Authors | ||
| Abdelrahman Mohammed Noureldine* 1; Amir Mohammed Saleh2; Rehab Abd Elhafiez Saleh3 | ||
| 1Department of basic science Suez university | ||
| 2Faculty of physical therapy Department of basic science Cairo university | ||
| 3department of basic science , faculty of physical therapy , Cairo university | ||
| Abstract | ||
| Background: The gluteus maximus (GMax) is the largest and most strong muscle in the gluteal area, crucial for strength, movement, and usefulness. Clinicians have emphasized the significance of hip strength in the rehabilitation. Electromyography (EMG) is a method for assessing the electric potential field produced by the depolarization of the sarcolemma. Research indicates that the activation of the gluteus maximus muscle is contingent upon the workout type and the extent of hip extension engaged. Purposes: to compare between the effect of 3 different positions (prone, half prone, getting up from squatting positions) on gluteus maximus electrical activity. Methods: forty-five healthy volunteers of both gender with age 18- 45 years, were participated in this study, the gluteus maximus electrical activity of every participant were measured by (EMG) from 3 different positions prone lying (straight leg raising) position, half prone position (hip flexion 90°), getting up from squatting position (90° knee flexion). Results: The results revealed a statistical significant increase in root mean square (RMS) of gluteus maximums activity from prone lying position compared to half prone positions with p-value=0.001, there was a statistical significant increase in RMS gluteus maximums from prone lying compared to getting up from squatting positions with p-value=0.01 and there was no statistically significant difference between RMS of gluteus maximums from half prone and getting up from squatting positions with p-value=0.98. Conclusion: It was concluded that the prone lying (straight leg raising) position was the significant position for increasing gluteus maximus electrical activity. | ||
| Keywords | ||
| Electromyography; Gluteus maximus muscle; Prone lying (straight leg raising) position | ||
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