Extensor tendonitis is caused by Inflammation and irritation of the tendons across the top of the foot and is the most common cause of top of foot pain. Pain when resisting toe extension (lifting the toes up) indicates tendonitis. Learn More >...
In addition, such extracellular materials as hair and nails are composed of protein. So also is collagen, the fibrous, elastic material that makes up much of the body’s skin, bones, tendons, and ligaments. Proteins also perform numerous functional roles in the body. Particularly important are...