Analysis of muscle moment and reaction force of elbow joint during flexion movement
by Satish Pujari; Talari Venkatesh; Mandrumaka D.S. Kumar
International Journal of Biomedical Engineering and Technology (IJBET), Vol. 22, No. 4, 2016

Abstract: Since its coming of age in the mid 1960s, continuum biomechanics has contributed much to understanding of human health as well as to disease, injury, and their treatment. Nevertheless, biomechanics has yet to reach its full potential as a consistent contributor to the improvement of healthcare delivery. In this research elbow flexion has been analysed and the moment of muscles and the reaction force exerted on the elbow is calculated in the range of motion. The moment of muscles indicate the performance of movement and the reaction force of the joint is believed to be one of the most important causes of damage, something which has not been studied thoroughly enough in previous researches. The elbow joint has been modelled in CATIA software and we use ADAMS software for the analysis which is one of the most powerful ones available in dynamics analyses. The results indicate that the maximum torque of the arm occurs at 94 degrees and it decreases in the beginning and the end of flexion. The reaction force of the elbow in the beginning of motion is at maximum amount and then decreases to 100 degrees, and from that point on it increases up to the end of the motion. These results indicate that the optimum range of elbow flexion occurs in the mid-range of flexion, approximately at 60-140 degrees.

Online publication date: Thu, 29-Dec-2016

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