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  • Title: Relief of knee flexion contracture and gait improvement following adaptive training for an assist device in a transtibial amputee: A case study.
    Author: Kim SB, Ko CY, Son J, Kang S, Ryu J, Mun M.
    Journal: J Back Musculoskelet Rehabil; 2017; 30(2):371-381. PubMed ID: 28282797.
    Abstract:
    BACKGROUND: Management of a knee contracture is important for regaining gait ability in transtibial amputees. However, there has been little study of prosthesis training for enhancing mobility and improving range of motion in cases of restricted knee extension. OBJECTIVE: This study aimed to evaluate the effects of adaptive training for an assist device (ATAD) for a transtibial amputee with a knee flexion contracture (KFC). A male transtibial amputee with KFC performed 4 months of ATAD with a multidisciplinary team. During the ATAD, the passive range of motion (PROM) in the knee, amputee mobility predictor (AMP) assessment, center of pressure (COP) on a force plate-equipped treadmill, gait features determined by three-dimensional motion analysis, and Short-Form 36 Item Health Survey (SF-36) scores were evaluated. RESULTS: Following ATAD, PROM showed immediate improvement (135.6 ± 2.4° at baseline, 142.5 ± 1.7° at Step 1, 152.1 ± 1.8° at Step 2, 165.8 ± 1.9° at Step 3, and 166.0 ± 1.4° at Step 4); this was followed by an enhanced COP. Gradually, gait features also improved. Additionally, the AMP score (5 at baseline to 29 at Step 4) and K-level (K0 at baseline to K3 at Step 4) increased after ATAD. Along with these improvements, the SF-36 score also improved. CONCLUSIONS: ATAD could be beneficial for transtibial amputees by relieving knee contractures and improving gait.
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