Most of the time, it originates from a recurring motion or forceful use of your respective finger or thumb. Tendons are fibrous cords that connect muscle to bone. Every single tendon is surrounded by a protecting sheath.  These injuries may also produce ailments like Boutonnière Deformity, characterised by a bent https://www.theorthopaedicandpainpractice.com/why-cant-i-straighten-the-tip-of-my-finger/