flexor digitorum superficialis

Origin

• humeroulnar head:
  • medial epicondyle of humerus
  • medial border of the coronoid process
  • tendinous arch between them
• radial head:
  • oblique line
  • middle 1/3 of lateral border of radius

Insertion

• by 4 split tendons, passing to either side of the flexor digitorum profundus tendons, into the middle phalanx of each finger

Action

flexes proximal interphalangeal joint of fingers

Innervation

median nerve

More general terms

• skeletal muscle (voluntary muscle)