Nettet22. jul. 2016 · The thumb metacarpophalangeal (MP) joint has features of both a ginglymus (hinge) joint and a condyloid joint. The joint moves mostly in a flexion … NettetOn the ulnar aspect of the metacarpophalangeal (MCP) joint of the thumb are seen the transverse and oblique fibers of the adductor pollicis aponeurosis (and some muscle fibers), inserting into the extensor pollicis longus (EPL) tendon, and all overlying the ulnar collateral ligament.
Radial collateral ligament repair of the thumb: long-term ... - PubMed
NettetInjury to the ulnar collateral ligament (UCL) of the thumb metacarpophalangeal (MCP) joint is a common entity encountered by the sports physician and orthopedic surgeon. … Nettet2. apr. 2024 · Register 28 Days Left Learn more . Updated: 2/18/2024. Thumb Collateral Ligament Injury. Average 4.0 of 50 Ratings. 7. ... (PCL/ACL) play in thumb MCP joint stability? QID: 3306 Type & Select Correct Answer. Type in at least one full word to see suggestions list. Return ... 76毫米等于多少厘米
Carpometacarpal joint - Wikipedia
NettetA bipartite sesamoid bone is a normal anatomic variation of a sesamoid bone in which the sesamoid bone is in two pieces that is present from birth. Direct trauma to a bipartite sesamoid bone can present very similarly to a fracture of a sesamoid bone and can be difficult to distinguish from each other. Imaging of a sesamoid fracture compared to ... Nettet22. jul. 2016 · Dislocations and Chronic Volar Instability of the Thumb Metacarpophalangeal Joint Robert R. Slater Jr. DEFINITION Disruption of the restraining structures on the volar surface of the joint between the metacarpal and proximal phalanx of the thumb may result in excessive joint motion and abnormal hyperextension. Often … NettetThe annular pulley system of the thumb consists of three to four pulleys: two annular pulleys are located at the level of the joints. The first annular pulley is at the level of the metacarpophalangeal joint, and the second annular pulley is at the level of the interphalangeal joint. 76比赛直播