Humerus | 合法醫療器材資訊網

Thehumerusisalongbonewhichconsistsofashaft(diaphysis)andtwoextremities(epiphysis).Itisthe...

The humerus is a long bone which consists of a shaft (diaphysis) and two extremities (epiphysis). It is the longest bone of the upper extremity.

The head of the humerus is the proximal articular surface of the upper extremity, which is an irregular hemisphere. It articulates with the glenoid fossa of the scapula[2].

The anatomical neck is the part between the head and the tuberosities.

The surgical neck is the part between the tuberosities and the shaft.

The greater tuberosity it is located lateral to the head at the proximal end.

The lesser tuberosity is located inferior to the head, on the anterior part of the humerus, Its very prominent and palpable.

Bicipital (intertubercular) groove is located between the two tuberosities. The long head of the bic...