review concepts for exam 2

Question 1

what shoulder muscles are responsible for abduction

Answer 1

supraspinatus, deltoid, trapezius, serratus anterior

Question 2

what shoulder muscles are required for medial rotation

Answer 2

subscapularis, teres major

Question 3

what shoulder muscles are required for flexion

Answer 3

anterior deltoid, coracobrachialis, pec major

Question 4

what shoulder muscles are responsible for lateral rotation

Answer 4

teres minor, infraspinatus,

Question 5

what are the four rotator cuff muscles

Answer 5

subscapularis, infraspinatus, supraspinatus, teres minor

Question 6

what rotator cuff muscles originate onto the shoulder

Answer 6

supraspinatus: medial 2/3 of supraspinatus fossa
infraspinatus: medial 2/3 of infraspinatus fossa
teres minor: shoulder joint capsule

Question 7

what rotator cuff muscles insert on the shoulder

Answer 7

none, all humerus

Question 8

what makes up the snuff box

Answer 8

extensor pollicis longus, extensor pollicis brevis, abductor pollicis longus

NOT ABDUSTCOR POLLOCIS BREVIS OR OPPONENS POLLICIS

Question 9

what concentric motion

Answer 9

being stable as ur contracting and shortening

Question 10

what eccentric motion

Answer 10

being stable as ur lengthening and expanding

Question 11

what attaches proximal to the spine of the scapula, what is that part of the scapula called

Answer 11

supraspinatus, supraspinatus fossa

Question 12

what are the superficial and intermediate forearm muscles

Question 13

what are the deep forearm muscles

Question 14

what muscles fully cross the wrist

Question 15

what muscles are in the flexor thumb, laterally to medially

Question 16

what muscle attaches to the distal row of carpals

Question 17

what muscles attach to the scaphoid

Question 18

what muscles attach to the hamate

Question 19

what muscles attach to the pisiform

Question 20

what muscles attach to the trapezium

Question 21

what muscles are included in the hypothenar eminence

Question 22

what muscles are included in the thenar eminence

Question 23

what muscle stabilizes the scapula against the thoracic wall

Answer 23

serratus anterior

Question 24

what muscle can laterally rotate the shoulder

Answer 24

teres minor

Question 25

what muscle originates at the inferior lateral border of the scapula and inferior angle

Answer 25

teres major

Question 26

true or false: teres minor can internally rotate the shoulder

Answer 26

false

Question 27

whats the insertion of the levator scapula

Answer 27

medial border of scapula, superior portion

Question 28

what actions does the upper trapezius cause at the scapula

Answer 28

upward rotation, elevation

Question 29

what elbow flexor is a two joint muscle

Answer 29

brachialis: ulnar and humoral head

Question 30

what muscles downwardly rotate the scapula

Answer 30

levator scapulae and rhomboids

Question 31

what forearm muscle doesnt cross the wrist

Answer 31

pronator teres

Question 32

what keeps the flexor tendons in place and forms a carpal tunnel boundary

Answer 32

flexor retinaculum

Question 33

how many metacarpals does the tumb have

Answer 33

2

Question 34

whats the innervation of the deltoid

Answer 34

axillary

Question 35

whats the innervation of the supraspinatus

Answer 35

suprascapular

Question 36

whats the innervation of the subscapularis

Answer 36

dorsal subscapular nerves

Question 37

whats the innervation of the extensor carpi radialis longus

Answer 37

radial

Question 38

whats the innervation of the flexor carpi ulnaris

Answer 38

ulnar

Question 39

whats the innervation of the biceps brachii

Answer 39

musculocutaneous

Question 40

whats the innervation of the triceps

Answer 40

radial

Question 41

whats the innervation of the supinator

Answer 41

radial

Question 42

whats the innervation of the pronator teres

Answer 42

median

Question 43

whats the innervation of the brachialis

Answer 43

musculocutaeous

Question 44

whats the innervation of the 3rd and 4th lumbricals (digits 4 and 5)

Answer 44

ulnar

Question 45

whats the innervation of the adductor pollicis

Answer 45

ulnar

Question 46

whats the innervation of the abductor digiti minimi

Answer 46

ulnar

Question 47

whats the innervation of the abductor pollicis brevis

Answer 47

median

Question 48

whats the innervation of the extensor pollicis longus

Answer 48

radial

Question 49

what ligament stabilized the radius and ulna during supination

Answer 49

annular ligament