Anterior cruciate ligament (ACL)... Image

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Arthroscopy	Normal knee anatomy	Anterior cruciate l...
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Normal knee anatomy

The ligaments which attach the upper leg bone (femur) to the large lower leg bone (tibia) create a hinge joint called the knee. The anterior and posterior cruciate ligaments are 2 short, strong ligaments which criss-cross each other in the middle of the joint.

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