LIMB SUPPLY

Question 1

lateral muscles of scapula & shoulder

Answer 1

A: superficial cervical
N: suprascapular

stabilizers, flexors and extensors of shoulder: supraspinatus, infraspinatus, superficial pectoral

Question 2

caudal muscles of scapula & shoulder

Answer 2

A: subscapular (thoracodorsal, caudal circumflex humeral)
N: axillary

flexors of shoulder: deltoideus, teres major, teres minor, latissimus dorsi

Question 3

cranial muscles of arm

Answer 3

A: superficial cervical, axillary, brachial (bicipital, cranial circumflex humeral)
N: musculocutaneous

flexors of elbow, extensors of shoulder: biceps brachii, brachialis, coracobrachials

Question 4

caudal muscles of arm

Answer 4

A: axillary, brachial (deep brachial)
N: radial

extensors of elbow: triceps brachii

Question 5

cranial muscles of forearm

Answer 5

A: brachial (common interosseus -> cranial inter) median: deep antebrachial
N: radial

extensors of carpus and digits: extensor carpi radialis, superficial digital extensor, deep digital extensor, ulnaris lateralis, ECU

Question 6

caudal muscles of forearm

Answer 6

A: brachial (com inter -> caudal & ulnar) deep antebrachial
N: median and ulnar

flexors of carpus and digits: DDF, SDF, FCR, FCU

Question 7

dorsal paw

Answer 7

A: superficial brachial (off brachial through cranial antebrachial) dorsal carpal rete
N: radial

if damage to radial, causes knuckling and NO weight bearing

Question 8

palmar paw

Answer 8

A: median (superficial palmar arch) & caudal interosseus (deep palmar arch)
N: ulnar & median - palmar common digital

both go through carpal canal w median & radial aa - ulnar is autonomous zone for palmar

Question 9

cranial thigh muscles

Answer 9

A: lateral circumflex femoral (off femoral) illiolumber
N: femoral

flex hip/extensors of stifle: quadriceps, sartorius, illiopsoas

saphenous is autonomous zone for this

Question 10

perineal

Answer 10

A: internal pudendal (ventral perineal), cadual gluteal (off internal iliac)
N: genitofemoral & pudendal

butt: cremaster, external anal sphincter, levator ani, coccygeus etc & skin of inguinal region, prepuce, scrotum fascia etc, proximal medial thigh

Question 11

medial thigh muscles

Answer 11

A: deep femoral, caudal femorals (proximal, medial and distal)
N: obturator

adductor of pelvic limb: adductor, pectineus, gracilis, external obturator

Question 12

caudal thigh muscles

Answer 12

A: deep femoral (medial circumflex humeral deep & transverse), cadual gluteal, caudal femorals (prox, medial, distal)
N: sciatic

extensors of hip, flexors/extensors of stifle: semimembranosus, semitendonosus, biceps femoris

Question 13

cranial muscles of crus

Answer 13

A: cranial tibial (etension of popliteal)
N: fibular (off sciatic)

flexors of tarsus, extend digits: cranial tibial, fibularis longus, long digital extensor
lateral cutaneous sural zone of left crus

Question 14

caudal muscles of crus

Answer 14

A: popliteal, distal caudal femoral
N: tibial (off sciatic)

extend tarsus, flex digits: gastrocnemius, popliteus, sdf, ddf
caudal cutaneous sural zone

Question 15

dorsal paw

Answer 15

A: saphenous & dorsal pedal (part of fibula)
N: fibula super and deep

causes knuckling over

Question 16

plantar paw

Answer 16

A: saphenous & dorsal pedal -> perforating branches of metatarsals
N: tibial

autonomous zone