الفهرس 
Anatomy of the distal end humerus in childrenOnly 14 pages are availabe for public view
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Abstract
The carrying angle (CA) of the human elbow joint is the angle formed between the long axes of the arm and forearm in the coronal plane when the forearm is fully extended and supinated . CA represents the valgus deviation of the forearm in the anatomical position. This angle disappears on flexion of the elbow and on pronation of the forearm. It may change with skeletal growth (1).
Normally forearm is aligned in valgus relative to the arm ranging between 5 and 10 degrees in boys and between 10 and 15 degrees in girls.
The CA plays an important role in load carrying and helps to avoid contact with hip and lower limb. It allows positioning of the hand directly above the centre of the carried object, thus producing a comfortable lever arm.
Changes of the carrying angle may be either exaggeration known as Cubitus valgus in which the forearm is angled away from the body to a greater degree than normal when fully extended; or disappearance known as Cubitus rectus with neutral alignment and no angulation; or reversal known as Cubitus varus in which there is inward deviation of the forearm towards the midline of the body.
Its presence has been explained by the more distal projection of the medial lip of the trochlea compared with the capitulum and by the valgus angulation of the trochlear notch of the ulna in relation to its shaft.