Abstract

Abstract This paper describes a new technique in assisting indoor rowing exercise for paraplegics. It combines functional electrical stimulation with an energy storage element. A spring is introduced as an energy storage element that stores energy during the driving phase and transfers energy during recovery phase of rowing stroke. The technique is implemented with a dynamic simulation model. Fuzzy logic control is used to control the knee and elbow trajectories for smooth rowing manoeuvre. The generated level of electrical stimulation for activation of quadriceps and hamstrings muscles are recorded and analysed. In view of good results obtained, it is concluded that the new technique of rowing exercise for paraplegics using spring orthosis with proper rowing manoeuvre significantly contributes to assisting paraplegic indoor rowing exercise.

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