This nerve usually sends messages to the shoulder muscle. If it is damaged, the shoulder may feel stiff. Some people find that shoulder movement can be painful, more difficult or weaker than before.

Rotator cuff pain is felt at the front and side of your shoulder and upper arm. Pain in this area often indicates injured, inflamed, or worn-down tendons in the rotator cuff. The rotator cuff consists ...

This exercise has major benefits for the body. It improves shoulder stability and muscle development and is also a controlled exercise option for those with joint discomfort. Ishaan Khatter often ...

muscle contraction, energy production, lactic acid, anatomy Email us at [email protected] if you have questions about the footage and are interested in using it in your project. Camping World ...

Two ureters. These narrow tubes carry urine from the kidneys to the bladder. Muscles in the ureter walls continually tighten and relax forcing urine downward, away from the kidneys. If urine backs up, ...

The remaining 40% is a combination of water, protein, carbohydrates and salts. The brain itself is a not a muscle. It contains blood vessels and nerves, including neurons and glial cells. What is the ...

Building muscle mass requires a consistent strength training routine, and it's a process that takes time. Social media makes it seem like quick results are the norm -- yes, some people gain muscle ...