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The ACL (anterior cruciate ligament) and the PCL (posterior cruciate ligament) are the two major ligaments in the knee that work together to provide stability in the knee. They cross each other and form an 'X' which allows the knee to flex and extend without side to side movement.

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11y ago
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10y ago

The anterior cruciate ligament also known as the ACL is a muscle in the human body that connects the knee to both parts of the leg. When this muscle is torn it takes a long time to heal.

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The ACL is a band of tough, fibrous tissue that connects the top of the femur (thigh bone) to the underside of the tibia (big bone, lower leg). It keeps your knees from bending in the wrong direction. It is not a muscle.

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Q: What is the specific role of the anterior and posterior cruciate ligaments?
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