short muscles of the hand

Question 0

lumbricals insertion

Answer 0

lateral sides of extensor expansions of 2nd - 5th fingers

Question 1

lumbricals 1+2 origin

Answer 1

lateral two tendons of flexor digitorum profundus (as unipennate muscles)

Question 2

lumbricals 1+2 innervation

Answer 2

median nerve

Question 3

lumbricals action

Answer 3

flex metacarpophalangeal joints; extend interphalangeal joints of 2-5 fingers

Question 4

dorsal interossei 1-4 origin

Answer 4

adjacent sides of two metacarpals (as bipennate muscles)

Question 5

doral interossei 1-4 insertion

Answer 5

bases of proximal phalanges; exterior expansions of 2nd -4th fingers

Question 6

interossei innervation

Answer 6

deep branch of ulnar nerve (C8, T1)

Question 7

dorsal interossei do what motion

Answer 7

abduct

Question 8

palmar interossei 1-3 origin

Answer 8

palmar surface of 2nd, 4th, and 5th metacarpals (as unipennate muscles)

Question 9

palmar interossei 1-3 insertion

Answer 9

bases of proximal phalanges; extensor expansions of 2, 4th, and 5th fingers

Question 10

palmar interossei do what motion

Answer 10

adduction

Question 11

lumbricals 3 + 4 origin

Answer 11

medial three tendons of flexor digitorum profundus (bipennant)

Question 12

lumbricals 3+4 innervation

Answer 12

deep branch of the ulnar nerve