The anterior collateral ligament (ACL) and medial collateral ligament (MCL) are two of the four main ligaments that help stabilize the knee. The other two are the posterior cruciate ligament or PCL ...

1. What is antiphospholipid syndrome (APS)? Antiphospholipid syndrome (APS) is a systemic autoimmune disorder in which the patient’s immune system makes antibodies (antiphospholipid antibodies [aPL]) ...

Dr Efstathia Tzatha is a double-board certified Attending Neurologist at HSS specializing in the diagnosis and treatment of neuromuscular diseases, including peripheral neuropathy, myopathy, spine ...

What is a facet joint injection? A facet joint injection is an injection into or around the joints that sit on either side of the vertebrae (bones) in the spine. These small joints connect each spinal ...

We enhance the quality of patient lives through cutting edge research in diagnostic imaging. The Department of Radiology and Imaging is nationally and internationally recognized as the premier center ...

World-class orthopedic care, where you live. Our doctors are here for you no matter where you live. We’re constantly looking for ways to make our expertise more accessible – so that you can get back ...

Femoral osteotomy is a surgical procedure that is performed to correct specific deformities of the femur – the long bone in the upper leg – and the hip joint. Orthopedic surgeons perform the operation ...

Hip arthritis is one of the most commonly treated conditions at HSS. How does the hip joint work? What is hip arthritis? What causes hip arthritis? What are the symptoms of hip arthritis? If I have ...

Dr. Brian Chalmers is an orthopedic surgeon specializing in hip and knee musculoskeletal care, including primary hip and knee replacement, partial knee replacement, complex and revision hip and knee ...

Arthroscopy is the examination of the interior of a joint by using an arthroscope or "scope" – a flexible, fiber-optic tube with a small camera that is connected to a monitor. This allows a surgeon to ...

Broken ankles are painful and temporarily disabling. If a fractured ankle is not properly treated, it can lead to significant, long-term complications and debility. A broken ankle is a fracture or ...

Are your hip flexors tight? Chances are the answer is yes. HSS physical therapist Kimberly Baptiste-Mbadiwe shares why the area can get so tense and how to loosen it up. Advice to improve your ...