Most exercise-related pain is dull and spreads over a larger area of your arms or legs. This is normal. When it seems to be sharp pain focused in one spot that you can pinpoint with a finger, it may indicate a muscle strain of a tendon inflammation. Popping, clicking, or grinding in the muscles or tendons are signs of strain.
Pain between the shoulders is common: As many as one in 10 men and one in five women experience upper back pain, according to a 2015 journal article in Occupational Medicine.
Tendons are pieces of connective tissue that bind your muscles to bones. Like any part of the body, injury or overuse can lead to pain or inflammation in your tendons. This condition is called tendinitis. Biceps tendinitis is most often the result of everyday wear and tear on the muscle.
Tennis elbow (lateral epicondylitis) is swelling, inflammation, and subsequent tearing of the tendons in your forearm.These tissues, which attach muscle to bone, can become overtaxed with repetitive use, causing an aching or burning pain that gets worse when you grip or lift something.