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  • Title: Evaluation of the performance of paraplegic subjects during walking with a new design of reciprocal gait orthosis.
    Author: Karimi MT, Fatoye F.
    Journal: Disabil Rehabil Assist Technol; 2016; 11(1):72-9. PubMed ID: 25069902.
    Abstract:
    BACKGROUND: Spinal cord injury (SCI) influences a person's ability to stand and walk. Various orthoses have been developed to solve these standing and walking problems, however, patients still experience high energy consumption during walking and high forces on the upper limbs. A new reciprocal gait orthosis (RGO) was designed to address these problems. The aim of this study was to evaluate the performance of the new orthosis design with paraplegic subjects. METHOD: Three paraplegic subjects with the lesion at level T12 and three able-bodied subjects were included in this study. Hip and pelvis range of motion and vertical ground reaction force were evaluated using the Qualysis motion analyzer system and a Kistler force plate. Energy consumption was measured with the Polar heart rate monitoring system. The differences between SCI individuals when walking with a Knee Ankle Foot Orthosis (KAFO) and the new RGO, and the differences between able-bodied and paraplegic subjects were evaluated by the use of paired sample and two sample t test, respectively. RESULT: The results showed that energy consumption and gait analysis outcomes with new RGO orthosis were better than the KAFO. However, there was a large difference between paraplegic and able-bodied subjects while walking with the new orthosis. CONCLUSION: The new RGO design performed better than a KAFO in terms of energy consumption, walking style and vertical ground reaction force. Therefore, it appears that RGO may be a useful orthosis for patients with paraplegia. Implications for Rehabilitation Walking and standing of the subjects with spinal cord injury (SCI) improve their physiological and physiological health. This study introduces a new type of orthosis design in order to improve the abilities of SCI subjects during walking and standing. It seems that the new design works better than available orthoses (KAFO).
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