Hip extension, knee flexion paradox: a new mechanism for non-contact ACL injury.

  title={Hip extension, knee flexion paradox: a new mechanism for non-contact ACL injury.},
  author={Javad Hashemi and Ryan E Breighner and Naveen Chandrashekar and Daniel M Hardy and Ajit M. Chaudhari and Sandra J. Shultz and James R. Slauterbeck and Bruce D. Beynnon},
  journal={Journal of biomechanics},
  volume={44 4},
Considering that an athlete performs at-risk sports activities countless times throughout the course of his or her career prior to the instance of anterior cruciate ligament (ACL) injury, one may conclude that non-contact ACL injury is a rare event. Nevertheless, the overall number of non-contact ACL injuries, both in the US and worldwide, remains alarming due to the growing number of recreational and professional athletes participating in high-risk activities. To date, numerous non-contact ACL… CONTINUE READING
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