The muscular branch of the radial nerve known as the posterior interosseous nerve is subject to entrapment in the proximal portion of the forearm immediately distal to the elbow.

Right-hander Erik Swanson, who started experiencing elbow discomfort last week, was diagnosed with what the team calls a "median nerve entrapment" after undergoing an MRI, but suffered no ...

After taking a sack in Monday's game, 49ers QB Brock Purdy said his right arm felt like it was "on fire." According to coach Kyle Shanahan, the initial indication is a nerve issue unrelated to the ...

San Francisco 49ers quarterback Brock Purdy reportedly suffered a nerve issue in his right elbow late in Monday's 40-34 loss against the Detroit Lions and will undergo further testing on Tuesday ...

The San Francisco 49ers walked off the Levi’s Stadium field with a loss to the Detroit Lions on Monday, and an injury to quarterback Brock Purdy.

Objective The purpose of the present study was to analyze the structures in the radial tunnel that can cause posterior interosseous nerve entrapment. Methods A total of 30 members of 15 adult cadavers ...

PAIN in the knee, as in other joints, can arise either from intrinsic or from extrinsic sources. The intrinsic sources include infections, disorganization of the connective-tissue complex, neoplasm ...

Jazz Chisholm Jr. is likely heading for the injured list with an elbow injury that has the Yankees holding their breath.