The prevalence of Achilles tendon(AT) injury is high in various sports, but the tendon internal dynamic variation in the movement is not fully understood.Based on the CT scan and CAD/CAM software processing, the ankle three-dimensional model were created. Achilles tendon`s stress-strain change were acquired through finite element analysis of one-legged jumping. The largest stress was appeared in the push phase and concentrated in the 6 cm above the calcaneal insertion. This model can be applied to research the achilles tendon, and provide mechanics data in jumping trauma.
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