adductor compartment and short muscles

Question 1

pa: adductor pollicis

Answer 1

oblique head:
base of 2nd and 3rd metacarpals

capitate

adjacent carpal bones

transverse head: 3rd metacarpal

Question 2

da: adductor pollicis

Answer 2

base of proximal phalanx of thumb

Question 3

nerve: adductor pollicis

Answer 3

ulnar nerve (deep branch) C8, T1

Question 4

ma: adductor pollicis

Answer 4

thumb adduction towards lateral border of palm

Question 5

pa: lumbricals (1-4)

Answer 5

1st and 2nd: lateral two tendons of FDP

(as unipennate muscles)

3rd and 4th: medial three tendons of FDP
(as bipennate muscles)

Question 6

da: lumbricals (1-4)

Answer 6

radial sides of extensor expansions of digits 2-5

Question 7

nerve innervation: lumbricals (1-2)

Answer 7

median nerve (digital branch) C8, T1

Question 8

nerve innervation: lumbricals (3-4)

Answer 8

ulnar nerve (deep branch) C8, T1

Question 9

ma: lumbricals

Answer 9

of digits 2-5,

MCP joint flexion

IP extension

Question 10

pa: palmar interossei (PADS)
1-3

Answer 10

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

Question 11

da: palmar interossei (PADS)
1-3

Answer 11

of digits 2,4, and 5:

bases of proximal phalanges
extensor expansions

Question 12

nerve innervation: palmar interossei (PADS)

Answer 12

ulnar nerve (deep branch) C8, T1

Question 13

ma: palmar interossei (PADS)

Answer 13

digits 2, 4, 5 adduction towards axial line

assist lumbricals with…
-MCP joint flexion
-IP joint extension

Question 14

pa: dorsal interossei (1-4)

Answer 14

adjacent sides of two metacarpals (as bipennate muscles)

Question 15

da: dorsal interossei (1-4)

Answer 15

of digits 2-4:
bases of proximal phalanges
extensor expansions

Question 16

nerve innervation: DABS

Answer 16

ulnar nerve (deep branch) C8, T1

Question 17

ma: DABS

Answer 17

of digits 2-4 ABduction from axial line

assist lumbricals with…
-MCP joint flexion
-IP joint extension