Usually, it comes from a repeated motion or forceful use within your finger or thumb. Tendons are fibrous cords that attach muscle mass to bone. Each individual tendon is surrounded by a protecting sheath.  For wage and employment similar claims, you may make an appointment with TADM. Extra details What https://www.theorthopaedicandpainpractice.com/why-cant-i-straighten-the-tip-of-my-finger/