A pulled (or strained) muscle could take a few days to feel better. Severe injury could take weeks to months. Find out what ...

Avoid using momentum to swing the weights up as this will strain your back ... You'll feel tension in the muscles in the back ...

Upper back pain between the shoulder blades may result from poor posture or muscle strain. However, it can also stem from more serious problems with the spine, such as scoliosis or osteoarthritis.

Muscles and tendons in the rotator cuff, across the scapula, up into the neck, and down into the arm are common pain sites. a heart attack aortic dissection, which is a tear in the aorta ...