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KMID : 1211620180130040113
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Journal of the Korean Society of Physical Medicine
2018 Volume.13 No. 4 p.113 ~ p.121
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The Effects of Sling and Resistance Exercises on Muscle Activity and Pelvic Rotation Angle During Active Straight Leg Raises and Pain in Patients with Chronic Low Back Pain
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Kim Dae-Hyun
Kim Tae-Ho
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Abstract
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PURPOSE: This study was conducted to identify a more effective intervention in sling and resistance exercise for chronic low back pain patients.
METHODS: Seventy (70) subjects were randomly divided into the sling group (SG) and resistance exercise group (REG). Muscular activity of the internal oblique (IO), external oblique (EO), rectus abdominis (RA), and pelvic rotation angle during active straight leg raise (ASLR), a pressure pain threshold (PPT) and a visual analog scale (VAS) were measured. Sling and resistance exercises were conducted for 12 weeks. Intermediate measurements were taken after 8 weeks and final measurements were taken after 12 weeks.
RESULTS: Both groups showed significantly decreased RA muscle activity and significantly increased IO muscle activity (p<.05). Additionally, EO muscle activity was significantly decreased in the REG, but significantly increased in the SG (p<.05), while the pelvic rotation angle and VAS were significantly decreased in the SG (p<.05). The pressure pain threshold was significantly increased in both groups (p<.05).
CONCLUSION: Based on the results of this study, a 12-week intervention seems to be effective at improving back pain in both groups. However, a lower VAS was seen in the sling group after 8 weeks of intervention. Therefore, it is recommended that the sling be applied first when establishing a chronic back pain treatment program to shorten the treatment period and reduce the pain period.
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KEYWORD
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ASLR, EMG, Pelvic rotation angle, Resistance exercises, Sling exercises
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