片側大腿短断端切断者による交互走行獲得に関する事例研究

概要

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This study examined whether an alternate running ability could be gained by a unilateral short stump transfemoral amputee who ran with a hop-skip running technique, by teaching the subject an alternate running method based on research into an able-bodied person's running technique. The subject was an 18-year-old male transfemoral amputee student who had undergone amputation at the left thigh following a traffic accident at 6 years of age. His height was 164cm, his mass was 62kg (4.0kg of mass of the artificial leg was included), and his stump length (12.6cm) was 39.6% of the sound side (31.8cm). Isokinetic strength of the hip at 300deg./sec., on the amputated side was 50.8% of the sound side in flexion and 36.8% in extension. More than 12 years had passed since the amputation, and the subject had not yet achieved an alternate running ability with the artificial leg. By teaching the new method for about one hour, it was shown the alternate running without giving way by extension delay became possible. The reasons were 1) flexion resistance of the knee joint was not limited; 2) As a result, the flexion angle of the hip joint could move up to an angle near that on the sound side; 3) and, the knee joint worked with the movements of the hip joint.
2010-06-30