Lecture 16 - Musculoskeletal Thoracic Limb 3

Question 1

T/F: Muscles act on bones

Answer 1

False - act on joints

Question 2

intrinsic

Answer 2

all attachments on the appendicular skeleton

Question 3

Extrinsic

Answer 3

one attachment on the axial skeleton

Question 4

muscle action groups

Answer 4

intrinsic muscles that illicit same response

Question 5

flexors of the:

shoulder

Answer 5

deltoideus
teres major
teres minor

Question 6

extensors of the:

shoulder

Answer 6

supraspinatus
infraspinatus

Question 7

what is the exception to the muscle group rule in the shoulder

Answer 7

subscapularis

Question 8

extensors of the:

elbow

Answer 8

triceps brachii (long, lateral, medial, accessory)
tensor fasciae antebrachii

Question 9

Flexors of the:

elbow

Answer 9

biceps brachii (1 muscle)
Brachialis

Question 10

what is unique about cats and their elbow muscle flexors

Answer 10

biceps brachii and brachialis inserts on the radial tuberosity and ulnar tuberosity respectively

Question 11

extensors of the:

carpal and digital joints

Answer 11

extensor carpi radialis
common digital extensor
lateral digital extensor

Question 12

flexors of the:

carpal and digital joints

Answer 12

flexor carpi radialis
superficial digital flexor
deep digital flexor
flexor carpi ulnaris

Question 13

what is the exception to the muscle group rule of the carpal and digital joints

Answer 13

ulnaris lateralis - flexion, innervated and proximal attachment like extensor

Question 14

supinators

Answer 14

supinator m.
brachioradialis

Question 15

what muscle is absent in dogs

Answer 15

brachioradialis

Question 16

pronators

Answer 16

pronator quadratus
pronator teres