Textbook Question
Why are stresses or impacts to the side of the shaft in a long bone more dangerous than stress applied to the long axis of the shaft?
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6. Bones & Skeletal Tissue
Gross Anatomy of Bones - Structure of a Long Bone
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Which of the following is not a feature of the humerus?
A
Olecranon fossa
B
Medial malleolus
C
Deltoid tuberosity
D
Greater tubercle
Verified step by step guidance1
Begin by identifying the anatomical features of the humerus. The humerus is the long bone in the upper arm, extending from the shoulder to the elbow.
Understand the location and function of each feature listed: the olecranon fossa, deltoid tuberosity, and greater tubercle are all parts of the humerus.
The olecranon fossa is a deep triangular depression on the posterior side of the humerus, which accommodates the olecranon of the ulna when the arm is extended.
The deltoid tuberosity is a roughened area on the lateral surface of the humerus where the deltoid muscle attaches.
The greater tubercle is a prominent area of bone on the lateral side of the humerus, serving as an attachment point for several shoulder muscles. The medial malleolus, however, is a feature of the tibia, not the humerus.
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