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

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

Affiliations
  • 1Department of Physical Medicine and Rehabilitation, Veterans Health Service Medical Center, Seoul, Korea. yang7310@naver.com
  • 2Center 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.

Keyword

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