The anterior cruciate
ligament, or ACL, is one of the four main ligaments that support the
knee. The ACL crosses the front of the knee diagonally, and provides
support during rotation as well as keeping the tibia from sliding in
front of the femur. Once you have an ACL injury, you will lose leg
strength and motion, according to Cigna.com, and an exercise program is
necessary to regain your previous level of physical fitness. Don’t
exercise with a torn ACL unless you have the approval of your doctor.
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ACL Injuries
The
ACL is the most commonly injured knee ligament, according to the
American Academy of Orthopedic Surgeons. Sports such as basketball,
football, soccer and skiing increase the risk of ACL injury. Symptoms of
an ACL injury include pain, extensive knee swelling, a feeling of
instability in the knee and loss of range of motion. If the ACL is
partially torn, rest and rehabilitation may resolve the problem within a
few months, but a complete tear of the ACL can make the knee so
unstable that surgery is necessary.
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