Basics Description The proximal humerus consists of the articular surface of the shoulder joint and the attachments of the rotator cuff to the greater and lesser tuberosities. Most of the blood supply to the humeral head comes from the anterior humeral circumflex branch of the axillary artery. >90% of proximal humeral fractures result from a …
Basics Description The biceps tendon can rupture proximally near the shoulder or distally near the elbow. Most ruptures occur proximally. Proximally, the biceps helps depress and stabilize the humeral head, whereas distally it is the primary supinator of the forearm and assists in elbow flexion. Epidemiology Incidence Typically occurs in males >40 years old These …
Basics Description Fractures of the distal end of the fibula and tibia are termed ankle fractures. Usually caused by the twisting of the body around a planted foot or a misstep that results in overstressing the ankle joint Severe fractures may result in dislocation of the ankle. 2 fracture classification systems are used currently: Lauge-Hansen …
