In 1884, Dr. William Halstead performed what is believed to be the first peripheral nerve block. That Dr. Halstead was a surgeon should come as no surprise — the anesthetic technique he employed ...

But sciatica may be new to you. The term is broadly used to describe pain that involves the sciatic nerve, which runs down the back of the leg. People describe sciatica as a dull, aching, shooting or ...

What causes lumbar spinal stenosis? Trauma to the spine can cause stenosis, but more commonly, narrowing within the lumbar spine is the result of normal wear-and-tear on the spine in the form of ...

For people experiencing joint pain, it’s important to understand the cause before determining the best way to prevent and treat it. Here, HSS rheumatology fellow Robert Spandorfer, MD, and orthopedic ...

Advice to improve your movement, fitness, and overall health from the world's #1 in orthopedics. As men age, both their testosterone levels and muscle mass naturally start to decline. Some men may ...

A bunion (hallux valgus) is a condition in which your big toe has a protruding bump at its base on the inside of the foot. This bump occurs when your foot alignment changes and causes your big toe to ...

HSS is the #1 orthopedic hospital in the world and a national leader in rheumatology. This content was created by our physicians and experts. Total ankle replacement, also known as total ankle ...

Articular cartilage can be damaged by a traumatic injury, progressive wear or systemic disease. Loss or erosion of articular cartilage causes pain, weakness and dysfunction. If left untreated, ...

Inflammatory arthritis is a condition many people endure for a lifetime. Thanks to advances in treatment, however, innovative medications can delay and even halt the progression of the disease, and ...

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 ...

On the flip side, certain athletes are prone to tight hip flexors—particularly runners and bikers, who repeatedly use the hip flexors to lift their legs, which shortens the hip flexor muscles, says ...

Think Pilates is all about getting rock hard abs? Think again. “There’s a misconception that Pilates is all about the belly,” says Valarie Samulski, NCPT, a nationally certified Pilates Instructor on ...