Everything about Flexor Digitorum Profundus Muscle totally explained
In
human anatomy, the
flexor digitorum profundus is a
muscle in the
forearm that flexes the
fingers. It is considered to be an
extrinsic muscle because its action is at a different location than the main body of the muscle.
Flexor digitorum profundus, along with
flexor digitorum superficialis have long
tendons that run down the arm and through the
carpal tunnel and attach to the palmar side of the
phalanges of the fingers. This muscle originates from the anterior side of the
ulna.
Flexor digitorum profundus lies deep to superficialis, but it attaches more distally. To get around this problem profundus's
tendons go through the tendons of superficialis, and end up attaching to the
distal phalanx.
Innervation
Flexor digitorum profundus is innervated by the
median and
ulnar nerves.
It is one of two flexor muscles that isn't exclusively supplied by the median nerve (the other is
flexor carpi ulnaris).
Additional images
Image:Gray213.png|Bones of left forearm. Anterior aspect.
Image:Gray214.png|Bones of left forearm. Posterior aspect.
Image:Gray219.png|Bones of the left hand. Volar surface.
Image:Gray415.png|Front of the left forearm. Deep muscles.
Image:Gray417_color.PNG|Cross-section through the middle of the forearm.
Image:Gray419.png|Posterior surface of the forearm. Deep muscles.
Image:Gray421.png|Transverse section across distal ends of radius and ulna.
Image:Gray422.png|Transverse section across the wrist and digits.
Image:Gray423.png|The mucous sheaths of the tendons on the front of the wrist and digits.
Image:Gray528.png|Ulnar and radial arteries. Deep view.
Image:Gray416.png|Tendons of forefinger and vincula tendina. (Flexor digitorum profundus labeled at bottom right.)
Further Information
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