31. The upper boom connects the shoulder and elbow joints , and the lower boom connects the elbow and wrist joints. 32. Distally, the median nerve crosses the medial side of the brachial artery and lies anterior to the elbow joint . 33. In January of 2002 Cevaer fractured his right elbow joint and damaged ligaments and tendons in a snowboarding accident. 34. Radiography images may show an abnormal bony spur outgrowth ( supracondyloid process ) just proximal to the elbow joint . 35. On August 2, 2012, Wimmers underwent Tommy John surgery to repair a torn ulnar collateral ligament of elbow joint . 36. While the superior radioulnar joint shares joint capsule with the elbow joint , it plays no functional role at the elbow. 37. Fastening them snugly into place is a satisfying experience _ like installing a new elbow joint in the kitchen drain. 38. In the upper portion, the shoulder and elbow joints have several musculo-tendinous structures that keep these joints in passive extension. 39. Superiorly, the ligament is supported by attachments to the radial collateral ligament and the fibrous capsule of the elbow joint . 40. A typical redundant manipulator has seven joints, for example three at the shoulder, one elbow joint and three at the wrist.