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Exerc Sci > Volume 19(4); 2010 > Article
Exercise Science 2010;19(4): 423-430. doi: https://doi.org/10.15857/ksep.2010.19.4.423
비만에 따른 요통환자의 체중분포와 요부 근력차이에 관한 비교분석
한길수1, 김건도2, 임동춘3
Comparative study for the weight distribution and lumbar extension strength associated with obesity index in patients with chronic low back pain
This study was aimed to determine the effect for the weight distribution and lumbar extension strength associated with obesity index in male patients of Chronic Low Back Pain. Sixty subjects(obesity group(BMI:25Kg/m2): n=30, non obesity group: n=30) participated on this study. Both group were tested on lumbar extension using by MedX machine. Front heels and back heels were measured twice using by the Tetrax Portable Multiple System. Independent sample t-test was used to analyze the difference between the two groups. Study results showed that the obese back pain group(G1) had more weight loaded on both heels than the normal back pain group(G2), but there was no significant difference between the groups (p>.05). As for the lumbar extension strength at each angle, the obese back pain group appeared higher muscular strength than the normal group at 0°, but was stronger at angles 12°, 24°, 36°, 48°, 60°, and 72°. The ratio of lumbar flexion 72° and 0° angle showed 2.75:1 in G1 group and 2.48:1 in G2 group. Overall, the back pain group of obesity(G1) according to weight distribution tended to maintain their center of force more backwards by increasing the lordosis degree with abdominal distension.
Key words: obesity, chronic low back pain, weight distribution, lumbar extension strength
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