Dissection 18

Question 1

What is the innervation of the rhomboid muscles?

Answer 1

dorsal scapular nerve

Question 2

What is the innervation to the levator scapulae?

Answer 2

dorsal scapular nerve

Question 3

Which muscle is the “hugging muscle”?

Answer 3

pectoralis major

Question 4

What are the anterior muscles of the SC joint?

Answer 4

serratus anterior and pec minor

Question 5

What are the posterior muscles of the SC joint?

Answer 5

rhomboids, levator scapulae, and trap

Question 6

What muscles of the glenohumeral joint are twin functionally?

Answer 6

lat dorsi and teres major

Question 7

What innervates the infra and supraspinatus muscles?

Answer 7

suprascapular

Question 8

What innervates the subscapularis muscle?

Answer 8

middle and lower subscapular nerve

Question 9

The axillary nerve runs with what artery?

Answer 9

posterior humeral circumflex

Question 10

The lower subscapular nerve runs with what artery?

Answer 10

circumflex scapular

Question 11

What artery does the radial nerve run with?

Answer 11

deep branchial artery

Question 12

What are the anterior muscles of the glenohumeral joint?

Answer 12

biceps brachii, deltoid, coracobrachialis, and pec major

Question 13

What are the posterior muscles of the glenohumeral joint?

Answer 13

triceps brachii, deltoid, lat dorsi, teres major

Question 14

What are the handcuff muscles?

Answer 14

lat dorsi and teres major

Question 15

The lat dorsi is innervated by what nerve?

Answer 15

thoracodorsal nerve

Question 16

What is the teres major innervated by?

Answer 16

lower subscapular nerve

Question 17

what is the deltoid muscle innervated by?

Answer 17

the axillary nerve

Question 18

what is the brachilais innervated by?

Answer 18

musculocutaneous

Question 19

What is the brachioradialis innervated by?

Answer 19

radial nerve

Question 20

What are the two muscles that do abduction of the GH joint?

Answer 20

deltoid and supraspinatus

Question 21

What are the two muscles that do lateral rotation of the SC joint?

Answer 21

serratus anterior and trap

Question 22

What is the function of the musculocutaneous nerve?

Answer 22

motor to the anterior arm and cutaneous innervation to the lateral forearm

Question 23

what muscle does the musculocutaneous nerve pierce?

Answer 23

coracobrachialis

Question 24

What is the main extensor of the elbow joint?

Answer 24

triceps brachii

Question 25

what posterior compartment muscle is a flexor of the elbow joint

Answer 25

brachioradialis

Question 26

What muscle is the "handshake" muscle

Answer 26

brachioradialis

Question 27

which compartment of the supinators found in?

Answer 27

posterior

Question 28

which compartment of the pronators found in

Answer 28

anterior

Question 29

What artery supplies the posterior forearm?

Answer 29

deep brachial

Question 30

What are some examples of intracapsular ligaments?

Answer 30

the cruciate ligaments of the knee

Question 31

The only articulation between the pectoral girdle and the trunk is which joint?

Answer 31

The SC joint

Question 32

What 3 types of movements does the SC joint allow?

Answer 32

elevation/depression, protraction/retraction, and medial/ lateral rotation

Question 33

dislocation of the SC joint usually occurs in what direction?

Answer 33

anterior

Question 34

what two joints are called the shoulder girdle joints?

Answer 34

the SC and the AC

Question 35

dislocation of which joint results in shoulder separation?

Answer 35

AC (and the coracoclavicular)

Question 36

What movements occur around the glenohumeral joint?

Answer 36

flexion/extension, adduction/abduction and medial/lateral rotation

Question 37

In which direction do shoulder dislocations usually occur?

Answer 37

inferiorly

Question 38

The proximal radioulnar joint causes movement in which direction?

Answer 38

supination and pronation

Question 39

what movement does the humeroradial joint allow?

Answer 39

supination/pronation and extension/flexion

Question 40

The elbow is most often dislocated in which direction?

Answer 40

posterior

Question 41

which SITS tendon is most often torn?

Answer 41

supraspinatus

Question 42

flexors attach to the ______ epicondyle of the humerus

Answer 42

medial