【正文】
The Elbow Lecture 14 The Elbow ? the elbow is second to the shoulder for dislocations ( first in children ) and second to the knee for overuse injuries. Bony Structure of Elbow ? humeroulnar is the hinge joint , where the trochlea of the humerous articulates with the trochlera fossa of the ulna ? the humeroradial joint is a gliding joint , here the capitulum of the humerous articulates with the radius ? the annular ligament binds the head of the radius to the radial notch of the ulna forming the proximal radioulnar joint – this is a pivot joint allowing for pronation and supination ? Carry Angle of the Elbow ? The angle between the long axes of the humerus and the ulna when the arm is in an anatomical position ? This is called this because it allows the forearm to angle away from the body when a load is carried in the hand ? Carrying angle is generally greater in females than in males Elbow Stability ? Medial Collateral a) anterior strong amp。 reinforces annual