Manute Bol's son Bol Bol is a rising high school prospect with serious game. Even we hadn't told you that Bol Bol was Manute Bol's son, you might have been able to figure it out just by how much he physically resembles his father. The younger Bol was 6-foot-5 in seventh grade -- two years ago -- and while he might never reach his father's NBA-record 7-7 height, he's already got some game:
The biceps brachii crosses two joints - the shoulder and the elbow - so it can influence movement of both joints. The biceps brachii can bring about a variety of movements when it shortens, including: Supination: turning the palm upward. Let one arm hang with your palm facing behind you. When your biceps brachii contracts, it tugs on the radius and pulls it to the outside. This turns your palm to face forward.
tendon is encased within a synovial sheath, which ends as a blind pouch at the end of the bicipital groove. As a result, the biceps tendon is intraarticular but extrasynovial. The average length of the tendon is 102mm. It is interesting to note that the shape and cross-sectional area of the tendon changes as it runs from proximal to distal. At its proximal attachment near the glenoid, it has an average cross-section of 8.4 3.4mm. This decreases to 4.5 2.1mm as the tendon leaves the bicipital groove. Therefore, rupture of the biceps tendon most commonly occurs proximally near the glenoid labrum and distally in the bicipital groove. Function The biceps muscle-tendon unit is one of many structures in the human body to cross two joints. In the elbow, it serves primarily as a forearm supinator.