If you have tendonitis in your forearm, you may experience symptoms including pain, weakness, and stiffness. Treatment may involve stretching and medication. Forearm tendonitis is inflammation of the ...

A concentric contraction is a type of muscle activation that causes tension on your muscle as it shortens. As your muscle shortens, it generates enough force to move an object. This is the most ...

Tennis elbow is a common injury for people ages 30-60 and causes pain in the outer part of your elbow. Most people don't need surgery to get relief. (Photo Credit: Science Photo Library/Getty Images) ...

Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.

In the US, there are over 33 million musculoskeletal injuries, with more than 50% involving tendon injuries. (James et al. J Hand Surg AM, 2008) More than 1,000 tendons in our body can present with ...

1 School of Sport, Health and Exercise Sciences, University of Wales, Bangor, George Building, Holyhead Road, Bangor, Gwynedd LL57 2PX, UK 2 Nicholas Institute of Sports Medicine and Athletic Trauma, ...

Tendinosis is where a tendon’s collagen degenerates in response to overuse. Tendonitis, however, is when a tendon becomes inflamed. The umbrella term for these conditions is tendinopathy. Tendinosis ...

What Are Eccentric and Concentric Contractions? Eccentric contractions occur when a muscle lengthens under load, such as lowering a dumbbell during a biceps curl. Concentric contractions happen when ...