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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

From: Medial and lateral hamstrings and quadriceps co-activation affects knee joint kinematics and ACL elongation: a pilot study

Fig. 2

Example of typical CT-fluoroscopy image registered output for a step up with descriptions of how knee joint motion was measured. ACL length was measured as distance between the ACL attachments. Change in ACL length was considered the change those attachments moved relative to each other. Maximum knee joint translations and rotations, and ACL elongation was maximum change relative to starting position

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