Flexor Digitorum Profundus

Description

Illustration of flexor digitorum profundus

Cross section of the wrist highlighting FDS and FDP

Origin

• Proximal half anterior surface of Ulna
• Interosseous Membrane of the Forearm

Insertion

• Palmar aspects of distal phalanges of fingers 2-5

Actions

• Flexion of metacarpophalangeal and interphalangeal joints of digits 2-5

Vascular Supply

• Ulnar Artery
• Common Interosseous Artery
• Ulnar Collateral Artery
• Ulnar Recurrent Artery
• Anterior Interosseous Artery
• Median Artery

Nerve

• Digits 2 & 3
  • Anterior Interosseous Nerve
• Digits 4 & 5
  • Ulnar Nerve

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Clinical Significance

• Wrist Tendinopathies
• Flexor Digitorum Superficialis and Profundus Injection

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See Also

• Physical Exam Hand
• Hand Pain (Main)
• Physical Exam Wrist
• Wrist Pain (Main)
• Physical Exam Forearm
• Forearm Pain (Main)
• Hand And Wrist Anatomy

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