RELATIONSHIP BETWEEN SCAPULAR UPWARD ROTATION AND GLUTEUS MAXIMUS ACTIVITY IN SUBJECTS WITH CHRONIC NONSPECIFIC LOW BACK PAIN | ||
| Egyptian Journal of Physical Therapy | ||
| Volume 15, Issue 1, September 2023, Pages 6-11 PDF (240.91 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejpt.2022.166395.1103 | ||
| Authors | ||
| Mohamed Abdelmegeed* 1; Warda Abdelaziz2; salwa fadl Abdelmajeed3; Hala Elhabashy4 | ||
| 1Orthopedic physical therapy department, faculty of physical therapy, Cairo University | ||
| 2Orthopedic physical therapy department, faculty of physical therapy, Cairo university | ||
| 3Orthopedic physical therapy department, Faculty of physical therapy, Cairo University | ||
| 4Clinical neurophysiology unit, Faculty of Medicine, Cairo University | ||
| Abstract | ||
| Objectives: the purpose of this study was to investigate the relationship between the scapular upward rotation and the electromyographic (EMG) activity of gluteus maximus (GMax) and latissimus dorsi (LD) muscles in subjects with chronic nonspecific low back pain (CNSLBP). Methods: in an EMG laboratory, 26 subjects with a diagnosis of unilateral CNSLBP with a mean age (y) of 25.15 ± 4.11 were recruited through direct referrals. EMG activity of the GMax and LD muscles was recorded while subjects were walking on a treadmill. Scapular upward rotation was measured using bubble inclinometers at 0⁰, 45⁰, 90⁰, 135⁰, and end range abduction. Pearson’s Correlation Coefficient (r) was used to correlate the outcome variables. Results: a significant correlation between the GMax EMG activity and scapular upward rotation measured at 0-degree abduction (p= .009) was found while there was no significant correlation between the GMax activity and scapular upward rotation measured at the other four ranges (45⁰, 90⁰, 135⁰, end range abduction). Also, there was no significant correlation between the EMG activity of GMax and LD muscles (p>.05) Conclusion: subjects with unilateral CNSLBP may have dysfunctional scapular upward rotation not related to the degree of GMax EMG activities. In addition, a correlation between increased or decreased GMax and LD muscles EMG activity could not be established. | ||
| Keywords | ||
| scapular upward rotation; low back pain; data correlation | ||
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