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Bo Pang

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Proceedings Article | 17 October 2023 Paper

Study on biomechanical characteristics of lower limbs in Tai Chi, Baduanjin, and walking gait based on the AnyBody simulations

Bo Pang, Yi Li, Zhongqiu Ji, Huihui Wang

Proceedings Volume 12803, 128031L (2023) https://doi.org/10.1117/12.3009136

KEYWORDS: Muscles, Gait analysis, Biomechanics, Simulations, Data modeling, Computed tomography, Biological research, Kinematics, Infrared radiation, Boundary conditions

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To explore the influence factors of different step practices on the human balance ability, and provide data support and theoretical basis for the practice of Tai Chi and Baduanjin. Sports biomechanics parameters of the lunge step support period of Tai Chi group, horse step support period of Baduanjin group and walking gait support period of the beginner group were compared, scanning and collecting knee CT data from the subjects of lunge step test, horse step test and walking gait test, the tibia model was treated with Geomagic Studio, the right tibia of the musculoskeletal model was replaced by mirror image, adding the net force of the knee joint derived from AnyBody to Ansys, after assigning values to materials, setting boundary conditions and adding loads, the equivalent stresses of lunge step, horse step and upright step were analyzed. Compared with the walking gait, in lunge step, the hip flexion angle and knee flexion angle were significantly larger (P<0.01), the hip abduction torque, hip rotation torque and ankle plantar flexion torque were significantly larger (P<0.01); in horse step, the hip abduction angle, hip flexion angle and knee flexion angle were significantly larger (P<0.01). Lunge step exercise is conducive to improving the deep anterior thigh muscle strength, horse step exercise is conducive to improving the deep medial hip muscle strength and shallow posterior calf muscle strength, walking step is conducive to improving the shallow anterior calf muscle strength and ankle dorsal flexion muscle strength.

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