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 ...

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 ...

Common Achilles tendon injuries include Achilles tendonitis, which can occur due to overuse, a change in activity or sudden increase in activity, or other anatomic causes.This condition typically ...

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 ...

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 ...

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 ...

Advice to improve your movement, fitness, and overall health from the world's #1 in orthopedics. You’re getting up from your seat, walking across the room, or doing a weighted squat, and suddenly, a ...

Osteoarthritis: A common joint disorder. osteoarthritis (OA) is one of many different types of arthritis that can affect the human body. “Arthritis” comes from the Greek word arthron, meaning ...

Is a knee replacement in your future—or recent past? Learn how to ease back into an exercise routine after physical therapy, plus what to expect long-term. Advice to improve your movement, fitness, ...

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 ...

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 ...

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 ...