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Ann Rehabil Med. 2018 Feb;42(1):59-66. doi: 10.5535/arm.2018.42.1.59. Epub 2018 Feb 28.

Effects of Lumbar Strengthening Exercise in Lower-Limb Amputees With Chronic Low Back Pain.

Author information

1
Department of Physical Medicine and Rehabilitation, Veterans Health Service Medical Center, Seoul, Korea.
2
Center of Prosthetics and Orthotics, Veterans Health Service Medical Center, Seoul, Korea.

Abstract

Objective:

To analyze the effect of lumbar strengthening exercise in lower-limb amputees with chronic low back pain.

Methods:

We included in this prospective study 19 lower-limb amputees who had experienced low back pain for longer than 6 months. Participants were treated with 30-minute lumbar strengthening exercises, twice weekly, for 8 weeks. We used the visual analog scale (VAS), and Oswestry low back pain disability questionnaire, and measured parameters such as iliopsoas length, abdominal muscle strength, back extensor strength, and back extensor endurance. In addition, we assessed the isometric peak torque and total work of the trunk flexors and extensors using isokinetic dynamometer. The pre- and post-exercise measurements were compared.

Results:

Compared with the baseline, abdominal muscle strength (from 4.4±0.7 to 4.8±0.6), back extensor strength (from 2.6±0.6 to 3.5±1.2), and back extensor endurance (from 22.3±10.7 to 46.8±35.1) improved significantly after 8 weeks. The VAS decreased significantly from 4.6±2.2 to 2.6±1.6 after treatment. Furthermore, the peak torque and total work of the trunk flexors and extensors increased significantly (p<0.05).

Conclusion:

Lumbar strengthening exercise in lower-limb amputees with chronic low back pain resulted in decreased pain and increased lumbar extensor strength. The lumbar strengthening exercise program is very effective for lower-limb amputees with chronic low back pain.

KEYWORDS:

Amputation; Exercise; Low back pain; Muscle strength; Rehabilitation

Conflict of interest statement

CONFLICT OF INTEREST: No potential conflict of interest relevant to this article was reported.

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