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Flexor Digitorum Profundus


Origin :

  • Proximal 3/4 of medial and anterior surfaces of ulna and interosseous membrane.

Insertion :

  • Bodies of middle phalanges of medial four digits.

Innervation :

  • Medial part: ulnar nerve (C8 and T1).
  • Lateral part: (C8 and T1)

Arterial Supply :

  • Ulnar and anterior interosseous arteries.

Depth :

  • Superficial


Action :

  • Flexes distal phalanges at distal interphalangeal joints of medial four digits.
  • Assists with flexion of hand
Target Muscles Target Muscles