Anne C. Poinier MD


Anatomy of a healthy joint

The synovial membrane lines the joint and produces synovial fluid to cushion the movement of the joint.

Achilles Tendon Rupture

The Achilles tendon connects the calf muscle to the heel bone. In an Achilles tendon rupture, the tendon is completely torn, which causes pain and sudden loss of strength and movement. An Achilles rupture is most often caused by a sudden, forceful motion that stresses the calf muscle. This can happen during an intense…

Achilles Tendon Rupture

The Achilles tendon connects the calf muscle to the heel bone. In an Achilles tendon rupture, the tendon is completely torn.

Hip Replacement Surgery: Final

Completed hip replacement In hip replacement surgery, the hip socket and the top of the thigh bone are replaced. This picture shows a completed hip replacement.

Knee replacement surgery

Normal knee joint Inside a normal knee joint, thick cushioning (cartilage) covers and protects the ends of your bones. This is called hyaline cartilage. Another type of cartilage, called meniscal cartilage or meniscus, acts like a shock absorber between the bones and keeps the knee joint stable by spreading out the load…