Shoulder Region

Question 1

what makes up the pectoral girdle?

Answer 1

scapula and clavicle

Question 2

what is the notch on the top of the scapula?

Answer 2

suprascapular notch

Question 3

what ligament runs across the top of the suprascapular notch?

Answer 3

transverse scapular ligament

Question 4

what runs through the hole created by the suprascapular notch and transverse scapular ligament?

Answer 4

suprascapular nerve

Question 5

what goes over the suprascapular foramen?

Answer 5

suprascapular artery

Question 6

which acromion variation is most common?

Answer 6

curved

Question 7

which acromion variation is least common?

Answer 7

convex

Question 8

which acromion variation is associated with shoulder impingement?

Answer 8

hooked

Question 9

what articulates with the head of the radius?

Answer 9

capitulum

Question 10

what muscle attaches to the tuberosity of the ulna?

Answer 10

brachialis

Question 11

what muscle attaches to supinator crest and fossa?

Answer 11

supinator

Question 12

how many carpal bones are there?

Answer 12

8 bones in 2 rows of 4

Question 13

how many metacarpals are there?

Answer 13

5

Question 14

how many phalanges are there?

Answer 14

14 total

5 proximal
5 distal
4 middle

Question 15

which carpal bone is on the thumb edge of the first roq

Answer 15

scaphoid

Question 16

which is more proximal, the head or base of the metacarpals?

Answer 16

base

Question 17

6 scapulohumeral muscles (intrinsic)

Answer 17

• deltoid
• supraspinatus
• infraspinatus
• teres major
• teres minor
• subscapularis

Question 18

deltoid origin

Answer 18

clavicular = anterior border of lateral 1/3 clavicle

acromion = lateral margin of acromion

scapular = crest of spine of scapula

Question 19

deltoid insertion

Answer 19

deltoid tuberosity of humerus

Question 20

supraspinatus origin

Answer 20

medial 2/3 of supraspinous process of scapula

Question 21

supraspinatus insertion

Answer 21

superior facet on greater tubercle of humerus

Question 22

infraspinatus origin

Answer 22

medial 2/3 of infraspinous process of scapula

Question 23

infraspinatus insertion

Answer 23

middle facet on posterior side of greater tubercle of humerus

Question 24

teres major origin

Answer 24

posterior surface of inferior angle of scapula

Question 25

teres major insertion

Answer 25

medial lip of intertubercular sulcus of humerus

Question 26

teres minor origin

Answer 26

posterior surface of scapula, adjacent to lateral border

Question 27

teres minor insertion

Answer 27

inferior facet on posterior surface of greater tubercle of humerus

Question 28

subscapularis origin

Answer 28

medial 2/3 scapular fossa

Question 29

subscapularis insertion

Answer 29

lesser tubercle of humerus

Question 30

which scapulohumeral muscle inserts on the lesser tubercle of humerus?

Answer 30

subscapularis

Question 31

which scapulohumeral muscle inserts on the intertibercular sulcus of the humerus?

Answer 31

teres major

Question 32

clavicular deltoid action

Answer 32

medial rotation of arm

Question 33

subscapularis action

Answer 33

medial rotation of arm

Question 34

which muscles medially rotate the arm?

Answer 34

- clavicular deltoid | - subscapularis

Question 35

acromion deltoid action

Answer 35

ABduction of arm

Question 36

supraspinatus action

Answer 36

ABduction of arm (starts)

Question 37

infraspinatus action

Answer 37

lateral rotation of arm

Question 38

teres minor action

Answer 38

lateral rotation of arm

Question 39

scapular deltoid action

Answer 39

lateral rotation of arm

Question 40

which muscles laterally rotate the arm

Answer 40

- infraspinatus - teres minor - scapular deltoid

Question 41

teres major action

Answer 41

ADduction of arm

Question 42

which muscle(s) ADDuct the arm?

Answer 42

teres major

Question 43

which muscles ABduct the arm?

Answer 43

- acromion deltoid | - supraspinatus

Question 44

teres minor innervation

Answer 44

axillary nerve

Question 45

deltoid innervation

Answer 45

axillary nerve

Question 46

subscapularis innervation

Answer 46

- upper subscapular nerve | - lower subscapular nerve

Question 47

teres major innervation

Answer 47

lower subscapular nerve

Question 48

supraspinatus innervation

Answer 48

suprascapular nerve

Question 49

infraspinatus innervation

Answer 49

suprascapular nerve

Question 50

what muscles is innervated by axillary nerve?

Answer 50

- teres minor | - deltoid

Question 51

what muscle is innervated by upper subscapular nerve?

Answer 51

subscapularis

Question 52

what muscle is innervated by lower subscapular nerve?

Answer 52

- subscapularis | - teres major

Question 53

what muscle is innervated by suprascapular nerve

Answer 53

- supraspinatus | - infraspinatus

Question 54

what muscle is being tested when apply resistance to arm abducting more than 15*?

Answer 54

deltoid

Question 55

what muscle is being tested when applying resistance to arm abducting from starting position?

Answer 55

supraspinatius

Question 56

what muscle is being tested when resistance to Adduction is being applied when arm is ABducted?

Answer 56

teres major

Question 57

what muscle is being tested when resistance to lateral rotation is being applied when the elbow is flexed and arm is Adducted?

Answer 57

infraspinatus

Question 58

what muscle is being tested when resistance to medial rotation is being applied when elbow is flexed and arm is adducted?

Answer 58

subscapularis

Question 59

what muscle is being tested when resistance to lateral rotation is applied when elbow is flexed and arm is 90* in scapular plane?

Answer 59

teres minor (horn blower test)

Question 60

what fracture in elderly with osteoporosis?

Answer 60

surgical neck fracture

Question 61

what fracture from direct blow to the arm?

Answer 61

transverse fracture of shaft

Question 62

what nerve with a surgical neck fracture?

Answer 62

axillary nerve

Question 63

what nerve with a radial groove fracture?

Answer 63

radial nerve

Question 64

what nerve with medial epicondyle fracture?

Answer 64

ulnar nerve

Question 65

what nerve with distal humerus fracture?

Answer 65

median nerve

Question 66

most common rotator cuff injury muscle

Answer 66

supraspinatus