Flexor Pollicis Longus
Anatomical Info
Muscle Characteristics:
Nerve:
Nerve
System
Spinal Plexus
Division
Trunk
Branch
Roots
Spinal
C6, C7, And C8
Description
The flexor pollicis longus muscle is a long, thin muscle located in the forearm. It extends from the distal half of the ulna and the interosseous membrane to the distal phalanx of the thumb.

The main function of the flexor pollicis longus muscle is to flex the thumb at the metacarpophalangeal, interphalangeal, and carpometacarpal joints. It also helps to adduct the thumb towards the hand.

The flexor pollicis longus muscle is commonly used in activities that require flexion and adduction of the thumb, such as gripping objects or pinching. It is also used in activities that require stability of the thumb, such as playing a musical instrument or typing.

Targeted Muscle Exercises

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Muscle Engaging Sports

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Bmx
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