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KMID : 0948920110100020113
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Clinical Pain
2011 Volume.10 No. 2 p.113 ~ p.121
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The Effect of Asymptomatic Spinal Deformity and Limitation of Range of Motion on the Trunk Muscle Strength in Adult without Low Back Pain
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Cho Kang-Hee
Bok Soo-Kyung
Lee Hye-Jin
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Abstract
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Objective: To evaluate the effect of asymptomatic spinal deformity and limited range of motion (ROM) on the trunk strength.
Materials and Methods: Asymptomatic Korean adults were enrolled in this study. The plane film of thoracolumbar spine was taken in standing position. The ROM of lumbosacral flexion, extension, lateral flexion & rotation was measured by Dualar inclinometer. Trunk strength was measured with the Biodex system 4 pro. The maximum isokinetic strengths of flexion, extension, both side bending and rotation of the trunk were measured at 120o/sec angular velocity. Maximum isometric strength was measured by application of maximum effort for 5 seconds in each direction of movement. The angle of spinal scoliosis & lordosis was measured in the spine radiography. Trunk strength was compared with each group by the presence of a deformity of the spine, and limited ROM.
Results: In the group without deformity of spine, the strength of trunk extensor, both side rotators measured by isokinetic and isometric methods were significantly stronger than in the group with spinal deformity. The strength of trunk flexor, extensor, and both side rotators in the group without limitation of lumbosacral ROM were significantly stronger than the group with limitation.
Conclusion: Lower trunk muscle strength was observed in persons with asymptomatic spinal deformity and limited ROM than in the persons with no spinal deformity and no limited ROM. But, in the group with limited range of motion, the age of the subjects was significantly
older than other group. So additional study in same aged groups is needed.
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KEYWORD
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Trunk muscle strength, Isokinetic, Isometric, Scoliosis, Range of motion of lumbosacral spine
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