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The Humerus: A Bone with a Multitude of Functions
An Overview of the Humerus
The humerus is a long bone that forms the upper arm in animals. It is the longest and largest bone in the upper limb and plays a crucial role in various bodily functions.
Structure and Anatomy of the Humerus
The humerus comprises a body with four surfaces: anterior, posterior, lateral, and medial. It also has two ends: the proximal end, which forms the shoulder joint, and the distal end, which connects to the radius and ulna (forearm bones).
Functions of the Humerus
The humerus is responsible for a wide range of movements in the upper limb, including flexion, extension, rotation, and abduction. It provides structural support for the arm and protects underlying tissues from injury.
Clinical Significance
Understanding the anatomy and function of the humerus is essential for medical professionals. Fractures and dislocations of the humerus are common injuries that can affect mobility and function. Proper diagnosis and treatment are crucial for restoring normal upper limb function.
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