Reverse Dynamics Analysis of Contact Force and Muscle Activities during the Golf Swing after Total Hip Arthroplasty

Tetsunari Harada, Satoshi Hamai, Kazuya Okazawa, Tsutomu Fujita, Daisuke Hara, Naoya Kozono, Shinya Kawahara, Ryosuke Yamaguchi, Masanori Fujii, Satoshi Ikemura, Goro Motomura, Yasuharu Nakashima
2022 · doi:10.21203/rs.3.rs-2360587/v1
preprint OA: closed CC-BY-4.0
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Abstract

There are no reports on hip kinetics including contact forces and muscle activities during the golf swing after total hip arthroplasty (THA). The aim of this study was to identify the characteristics of three-dimensional dynamics during the golf swing. Ten unilateral primary THA patients participated in motion capture test of their driver golf swing. The driver swing produced approximately 20–30° of rotation in both lead and trail replaced hips. The mean hip contact forces (HCFs) of lead and trail replaced hips were 5.1 and 6.6 x body weight, respectively. Left and right THAs showed similar HCFs of lead and trail hips. More than 60% of the Percent maximum voluntary isometric contraction was found in bilateral iliopsoas muscles in all unilateral THA. Three factors [male sex, higher modified Harris Hip Score, and lower HCF of surgical side] had a negative effect on the golf-related replacement hip pain. Golf is an admissible sport after THA because driver swings do not contribute excessive rotation or contact forces to hip prostheses. HCF could be reduced through swing adjustments, which may allow patients with golf-related replacement hip pain to develop a comfortable golf game free from pain. Subject terms total hip arthroplasty, golf, motion analysis, contact force, muscle activity

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License: CC-BY-4.0