I am trying to get into shape for summer, and one area that has always been challenging has been my upper arms. Recently, though, I began a workout routine, but a friend warned me about the risk of ...

Your deltoid muscles make up a main muscle group in your upper body. They’re connected with many other muscles and bones in your upper back, neck, and shoulder region and are extremely mobile. They ...

Neck and shoulder pain can occur due to poor posture, muscle strains, and more. Certain exercises can help relieve this pain, ...

A tingling or numbness in your left arm could be a sign of a heart attack or something less severe. Here's how to spot the ...

Medically reviewed by Oluseun Olufade, MD Shoulder blade pain is commonly caused by a muscle strain but can also arise from ...

DEAR MAYO CLINIC: I am trying to get into shape for summer, and one area that has always been challenging has been my upper arms. Recently, though, I began a workout routine, but a friend warned me ...

Rhomboid muscle pain occurs between the shoulder blades and spine. It may feel like tenderness around the shoulder blade. Risk factors for rhomboid muscle pain include injury and general overuse. The ...

Pain in the triceps most often occurs due to triceps tendonitis. Other possible causes include triceps tears and snapping triceps syndrome. Treatments can depend on the cause. The triceps muscle is ...

Feeling sore after a workout is known as delayed onset muscle soreness (DOMS). Sore muscles after exercise are a result of muscle breakdown during a workout, particularly on the eccentric portion or ...

Your elbow is important because it allows you to move your hand into almost any position so you can perform various activities. When your forearm moves toward your body by bending at your elbow, it’s ...

What Is the Latissimus Dorsi Muscle? The latissimus dorsi is a large muscle covering your back. You may know it as your lats muscles. They're connected to many parts of your body, originating from ...