Translations:Oberarmknochen/24/en
Aus Dornheim Anatomy
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The humerus connects the shoulder and forearm. It is involved in the formation of the shoulder joint and the elbow joint. The humerus serves as the base and origin of many muscles that are needed to move the arm and shoulder.
Movement
Movements in three degrees of freedom are possible. One speaks of abduction and adduction, whereby one assumes the resting position of the Caput humeri in the scapula plane. One knows the anteversion, the forward lifting of the arm and its counter movement, the retroversion. By a rotational component, a composite movement, the circumduction or circling, results with the involvement of the previously mentioned movements, whereby the arm practically describes a conical shell.
