Flexor Digitorum Superficialis

Question 1

Flexor Digitorum Superficialis (ORIGIN)- humeroulnar head and radial head

Answer 1

Humeroulnar head: Medial epicondyle of the humerus and coronoid process of the ulna
Radial head: Superior half of the anterior border of the radius

Question 2

Flexor Digitorum Superficialis (INSERTION)

Answer 2

Shafts of the middle phalanges of the medial four digits (index, middle, ring, and little fingers)

Question 3

Flexor Digitorum Superficialis (INNERVATION)

Answer 3

Median nerve (C7, C8, T1)

Question 4

Flexor Digitorum Superficialis (BLOOD SUPPLY)

Answer 4

Ulnar artery

Question 5

Flexor Digitorum Superficialis (ACTION)

Answer 5

Flexes the middle phalanges at the proximal interphalangeal joints of the medial four digits; also flexes the proximal phalanges at the metacarpophalangeal joints