Posterior shoulder dislocation occurs when the top of the upper arm bone, known as the humerus, moves backward out of its socket. This causes pain, muscle spasms, and a limited range of motion. The ...

Add Yahoo as a preferred source to see more of our stories on Google. A muscle spasm, also known as a cramp, twitch or charley horse, is the sudden and involuntary forced contraction of a muscle.

If you are worried you have a shoulder dislocation, don't panic, but do get specialized care right away. "The longer you wait to have the dislocated shoulder put back in place, the harder it is to do, ...

Shoulder sprains and strains are both injuries that can happen due to overuse of or trauma to the shoulder. While the symptoms of the two are similar, they involve different types of tissue within ...

ST. LOUIS — Astros third baseman Geoff Blum, who was scratched from the lineup Wednesday, is heading back to Houston to have his shoulder spasms evaluated. Blum will be examined by Astros physician Dr ...

You might feel sudden back spasms or sharp pain in your muscles while feeding, especially with certain seating positions.

We've all been there before. Running along the basketball court or swimming across the pool, when, all of a sudden, we experience a sharp pain in our foot or leg. Muscle cramps are common, affect ...