척추 운동 평가를 위한 요추 다열근의 동적 초음파 영상의 타당성 = Feasibility of Dynamic Ultrasound Imaging of the Lumbar Multifidus to Assess Spinal Exercise

다국어 초록 (Multilingual Abstract)

Study Design: Feasibility study.
Objectives: This study was conducted to investigate the morphological changes in post-exercise ultrasound imaging of the lumbar multifidus muscle to evaluate the effects of spinal exercise.
Summary of Literature Review: There is a paucity of reports assessing appropriate spinal exercise programs in elderly patients with sarcopenia.
Materials and Methods: This study was conducted on 23 volunteers with no history of spinal disease. The volume and thickness of the lumbar multifidus muscle as a trunk stabilizer were measured by dynamic ultrasound imaging, at rest and after exercise of the muscle to evaluate the strength of the extensor muscle. The criteria for diagnosing sarcopenia were analyzed, including gait speed, hand grip strength, muscle mass, and thickness change between at-rest and post-exercise states.
Results: At rest, the mean volume and thickness of the lumbar multifidus muscle were 357.17±59.25 mm² and 2.54±0.32 cm, respectively. After exercise, the mean volume and thickness of the lumbar multifidus muscle changed to 407.35±70.10 mm² and 2.78±0.36 cm, respectively. There was a significant increase in lumbar multifidus volume (14.00%, p=0.01) and thickness (9.42%, p=0.01) after exercise. The mean gait speed was 10.2±0.15 m/s and the mean hand grip strength was 19.30±2.08 kg. There was a positive correlation between changes in lumbar multifidus volume and hand grip strength (r=0.56, p=0.01).
Conclusions: These results suggest that dynamic ultrasound imaging of the lumbar multifidus could be helpful in evaluating the effect of spinal exercise.

국문 초록 (Abstract)

연구 계획: 타당성 연구목적: 본 연구는 요추 다열근의 운동 전후 초음파 영상의 형태학적 변화를 조사하여 척추 운동 치료 효과를 평가하고자 하였다.
선행 연구문헌의 요약: 근감소증이 있는 환자에서 척추 운동 치료를 평가하는 연구는 많지 않은 실정이다.
대상 및 방법: 척추 질환의 병력이 없는 23명의 지원자를 연구 대상으로 하였다. 동적 초음파 영상을 이용하여 운동 치료 전과 운동 치료 후 요추 다열근의 면적과 두께를 측정하였고, 근감소증의 진단 기준인 보행 속도, 악력을 측정하여 운동 전후 근육 면적과 두께 변화와의 상관 관계를 비교분석하였다.
결과: 운동 치료 전 요추 다열근의 평균 면적과 두께는 각각 357.17±59.25 mm2, 2.54±0.32 cm였고, 운동 치료 후 평균 면적과 두께는 407.35 ±70.10 mm2, 2.78±0.36 cm로, 운동 치료 후 요추 다열근의 유의한 면적 증가(14.00%, p=0.01)와 두께 증가(9.42%, p=0.01)가 있었다. 평균 보행 속도는 1.02±0.15 m/sec, 평균 악력은 19.30±2.08 kg이었다. 운동 치료 후 요추부 다열근의 면적 변화와 악력에는 양의 상관 관계가 있었다.
(r=0.56, p=0.01) 결론: 요추 다열근의 동적 초음파 영상은 척추 운동 치료의 효과를 평가하는데 유용한 방법이 될 수 있으리라 사료된다.

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