The ideal placement for a vaccine in the upper arm is in the central and thickest part of the upper arm’s deltoid muscle. This location should be above the level of your armpit when your arm is ...

The symptoms usually show up within 48 hours after you get a vaccine shot in your upper arm. Research also suggests that over-the-counter pain meds don’t help the symptoms get better.

Injury to the biceps muscle and tendon can lead to bicep pain. A person’s bicep may hurt due to overuse, trauma, and other injuries. The biceps muscle stretches on the upper arm, between the ...

Those are two of the most common statements made by tennis players complaining of shoulder and upper arm pain. If either situation describes you, stop playing and ice your shoulder several times a ...

Pain in the front of the shoulder can have many potential causes, including muscle injury and torn ligaments. Learn more about the possible causes of front shoulder pain here.

Pain can radiate to the arm several inches below the top of the affected shoulder. Patients can experience muscle weakness and have difficulty combing hair, brushing teeth or scratching the back.

The shoulder muscles are responsible for maintaining the widest range of motion of any joint in your body. This flexibility is also what makes the shoulder prone to instability and injury. Muscles ...