著者
Tsuyoshi Goto Toshinori Sakai Kosuke Sugiura Hiroaki Manabe Masatoshi Morimoto Fumitake Tezuka Kazuta Yamashita Yoichiro Takata Takashi Chikawa Shinsuke Katoh Koichi Sairyo
出版者
The Japanese Society for Spine Surgery and Related Research
雑誌
Spine Surgery and Related Research (ISSN:2432261X)
巻号頁・発行日
pp.2018-0020, (Released:2018-08-25)
被引用文献数
4

Purpose: In past biomechanical studies, repetitive motion of lumbar extension, rotation, or a combination of both, frequently seen in batting or pitching practice in baseball, shooting practice in soccer, and spiking practice in volleyball, have been considered important risk factors of lumbar spondylolysis. However, clinically, these have been identified in many athletes performing on a running track or on the field, which requires none of the practices described above. The purpose of this study was to verify how much impact running has on the pathologic mechanism of lumbar spondylolysis.Methods: In study 1, 89 consecutive pediatric patients diagnosed with lumbar spondylolysis at a single outpatient clinic between January 2012 and February 2017 were retrospectively analyzed. In study 2, motion analysis was performed on 17 male volunteers who had played on a soccer team without experiencing low back pain or any type of musculoskeletal injury. A Vicon motion capture system was used to evaluate four movements: maximal effort sprint (Dash), comfortable running (Jog), instep kick (Shoot), and inside kick (Pass).Results: In study 1, 13 of the 89 patients with lumbar spondylolysis were track and field athletes. In study 2, motion analysis revealed that the hip extension angle, spine rotation angle, and hip flexion moment were similar in Dash and Shoot during the maximum hip extension phase. The pelvic rotation angle was significantly greater in the kicking conditions than in the running conditions.Conclusions: Kinematically and kinetically, the spinopelvic angles in Dash were considered similar to those in Shoot. Dash could cause mechanical stress at the pars interarticularis of the lumbar spine, similar to that caused by Shoot, thus leading to spondylolysis.

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成長期に多い腰椎分離症 短距離や長距離などの陸上選手にも分離症が多く発生している。動作解析の結果、ダッシュ動作時にはサッカーにおけるシュート時と同様な動作が見られ分離発生につながる事を報告。 『うん。うん。』スプリントフォームの分析も大切。 https://t.co/aNGa6sCQ9l

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