Fifth metacarpal
Fifth Metacarpal
The Fifth metacarpal is one of the five metacarpal bones in the human hand. It is located in the distal part of the hand and connects the wrist to the little finger, also known as the fifth digit.
Anatomy[edit | edit source]
The fifth metacarpal is the smallest of the metacarpal bones. It is characterized by a base, a shaft, and a head. The base articulates with the hamate bone and the fourth metacarpal. The head of the fifth metacarpal articulates with the proximal phalanx of the fifth digit.
Function[edit | edit source]
The fifth metacarpal, like the other metacarpals, plays a crucial role in hand function. It provides structural support and allows for a wide range of movements, including flexion, extension, abduction, and adduction of the little finger.
Clinical Significance[edit | edit source]
Injuries to the fifth metacarpal, commonly known as "boxer's fractures," are common and often occur as a result of direct trauma to the hand. Treatment options for these fractures depend on the severity and location of the fracture and can range from conservative management with immobilization to surgical intervention.
See Also[edit | edit source]
References[edit | edit source]
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Contributors: Prab R. Tumpati, MD
