Abnormal tendon morphology Tendon rupture 2010-12-21T02:58:13Z Breakage (tear) of a tendon. Tendon/muscle rupture Tendon rupture SNOMEDCT_US:415749005 Ruptured tendon UMLS:C0151937 Tendon rupture is usually painful,and accompanied by swelling, inability to move, and bunching up of the muscle normally attached to the tendon. HP:0100550 Rupture of tendons