Knee Anatomy/Ligaments

The knee is designed for both stability and mobility.  Basically, it is two different joints in one. The femur (upper leg bone) and tibia (lower leg bone) comprise one joint while the femur and patella (knee cap) comprise the second joint.  It is connected by various ligaments, tendons and cartilage.  

There are four main ligaments that are present.  Remember, ligaments connect bone to bone and provide stability.  The medial collateral ligament (on the inside of the knee) and the lateral collateral ligament (on the outside of the knee) keep the knee joint from opening side to side like a gait.  The anterior and posterior cruciate ligaments are ligaments that cross within the knee joint and prevent the knee from slipping forward or backward.

Injuries to ligaments are considered sprains.  If the injury is bad enough, it may require surgery.  A traumatic event may cause an injury to these ligaments.  If you injure your knee you should consult your healthcare professional to recommend the proper treatment.

I’m Steve Taylor, Physical Therapist of Southern Physical and Occupational Therapy Services

Moving You To A Pain-Free Lifestyle

Knee Anatomy/Ligaments

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