Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Effects of Jumping Rope Techniques on the Biomechanics of Knee Joint: A Musculoskeletal Modeling SYSTEM (MMS) analysis

Version 1 : Received: 18 October 2023 / Approved: 18 October 2023 / Online: 19 October 2023 (09:55:16 CEST)
Version 2 : Received: 19 October 2023 / Approved: 20 October 2023 / Online: 20 October 2023 (10:26:15 CEST)

How to cite: Siripatrawan, J.; Jun, H.-P. Effects of Jumping Rope Techniques on the Biomechanics of Knee Joint: A Musculoskeletal Modeling SYSTEM (MMS) analysis. Preprints 2023, 2023101252. https://doi.org/10.20944/preprints202310.1252.v1 Siripatrawan, J.; Jun, H.-P. Effects of Jumping Rope Techniques on the Biomechanics of Knee Joint: A Musculoskeletal Modeling SYSTEM (MMS) analysis. Preprints 2023, 2023101252. https://doi.org/10.20944/preprints202310.1252.v1

Abstract

The anterior cruciate ligament (ACL) injury in the knee is one of the most frequent injuries in the biomechanical environment during jumping exercises; however, repeated jumping, like jumping rope, has not been reported to have a significant impact on the ACL injury. Because of this, this study aimed to compare and examine any potential biomechanical risk factors that can arise during various jumping rope activities, including the basic bounce (BB), forward-backward jump (FB), side-to-side jump (SS), and high knee jump (HK). Thirty participants were recruited. A motion capture system was used to obtain synchronized kinematic and kinetic data for four different jumping rope techniques. The OpenSim modeling system was used to determine the biome-chanical knee factors. The paired samples t-test was used to compare the mean difference in each jumping rope technique of initial contact (IC) and maximum knee flexion (MKF), and a one-way ANOVA was used to compare the mean difference between four different jumping rope techniques in the IC-MKF phase. Between IC and MKF, knee flexion angle, moment, joint ground reaction forces (GRF), and muscle forces of four jumping rope techniques were significantly different (p <.05). Also, in the IC-MKF phase, knee flexion angle and knee extension moment; HK was lower than others; vertical GRF; HK and FB were higher than others; anteroposterior, mediolateral GRF, and muscle forces; SS was higher than others (p <.05). Depending on the jumping rope techniques, the lower knee flexion angle in HK, the higher knee vertical GRF in HK and FB, the higher knee extension moment, anteroposterior, mediolateral GRF, and muscle forces on SS could be a pos-sibility of ACL injury risk compared to others. Therefore, it is recommended that SS be used in risk assessment of ACL in future studies, and BB will be suitable for normal people in daily exercises or will be the alternative intervention program for knee rehabilitation with the lowest risk of injury.

Keywords

jumping rope exercises; ACL; OpenSim; knee joint; biomechanics; modeling system

Subject

Medicine and Pharmacology, Orthopedics and Sports Medicine

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