These tendons are made up of tissue called collagen and elastin, ensuring that they are both tough and flexible.Įxtensor tendons need to glide smoothly and are enclosed by synovium - a thin sheath of smooth tissue that reduces friction for easier movement. They work similar to a line guided along a fishing rod, with the pulleys holding the tendon close to the bone. The tendons run through a series of rings, or pulleys, that form tunnels along the fingers and thumb. The muscles pull on the tendons which cause the hand and fingers to extend. Without proper rest and time to heal, a damaged tendon can become permanently weakened.Įxtensor tendons connect muscles in the forearm to the finger bones at the top of the wrist over the back of the hands. Once a tendon becomes frayed, an inflammatory response is triggered over time an inflamed tendon can become thick, bumpy and irregular making it more difficult to glide during hand movements. Tendon fibers can tear apart in the much the same way a rope becomes frayed. When the tendons become irritated, their ability to glide within these compartments is restricted, causing wrist and hand pain during movement and tenderness when direct pressure is applied. Tendons need to glide smoothly, allowing the powerful contraction of the muscle to move the intended bones and joints, and hence are enclosed by synovium, a thin sheath of smooth tissue. They are made up of tissue called collagen and elastin, ensuring that the tendon is both tough but flexible. In the top of the wrist and back of our hands, there are a set of tendons, called extensor tendons, which are responsible for the fine dexterous movements of the hand. Tendons are vital structures connecting muscles to bones. WRIST: Hand / Wrist Tendinitis Overview.SHOULDER: Biceps Tendinitis (Bicipital Tendinitis).HIP: Iliotibial Band Tendinitis (ITBAND).FOOT: Foot Tendinitis (Posterior Tibial).TENDINOPATHY vs TENDINITIS vs TENDINOSIS.
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