Influence of Plastic Ankle-Foot Orthoses that Have Different Shapes and Mechanics for Plantar-Flexion Control on the Ankle Joint during the Stance Phase of Drop-Foot Walking

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  • KOBARA Kenichi
    Department of Rehabilitation, Faculty of Health Science and Technology, Kawasaki University of Medical Welfare
  • ISE Masaki
    Department of Rehabilitation, Kurashiki central Hospital
  • EGUCHI Atsuko
    Department of Rehabilitation, Faculty of Health Science and Technology, Kawasaki University of Medical Welfare
  • ISHIURA Yuichi
    Department of Rehabilitation, Faculty of Health Science and Technology, Kawasaki University of Medical Welfare
  • UEDA Koichi
    Hashimoto Prosthetics and Orthotics Mfg. Corporation

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Other Title
  • 形状と底屈制御機構の異なる装具が下垂足歩行立脚相における足関節モーメントに及ぼす影響
  • ケイジョウ ト テイクツ セイギョ キコウ ノ コトナル ソウグ ガ カスイソク ホコウ リッキャクソウ ニ オケル ソクカンセツ モーメント ニ オヨボス エイキョウ

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Abstract

The purpose of this study was to reveal the ankle joint moments, arising from different shapes and mechanics of plantar flexion control during walking. The subject was 52-year-old man who was not limited in lower limb range of motion. Peroneal nerve palsy was temporarily induced using a regional anesthetic by artificial means. The orthoses were P-AFO (T85) with Tamarach joint (L85), P-AFO with a hydraulically controlled joint (GSD) and a shoehorn shaped without joint P-AFO (SHB). We compared the walking among these orthoses and healthy walking and drooping foot (DF). In the early stance phase, a big moment occurred with SHB and T85 compared with healthy walking, and GSD and DF were at the same level. Therefore, we think an auxiliary moment rarely occurred with GSD. The results suggest that to bring out the joint function to its maximum, it is important to convey the moment to the foot joint by a reaction force by means of a foot plate covering from the heel to the MP joint. <br>

Journal

  • Rigakuryoho Kagaku

    Rigakuryoho Kagaku 22 (4), 445-448, 2007

    The Society of Physical Therapy Science

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