MSK placement

Question 1

Muscles of anterior aspect of upper arm?

Answer 1

Biceps Brachii
Brachialis
Coracobrachialis
(BBC!)

Question 2

Origin of long head biceps brachii?

Answer 2

supraglenoid tubercle

Question 3

origin of short head biceps brachii?

Answer 3

coracoid process of scapula

Question 4

Insertion of biceps brachii?

Answer 4

radial tuberosity

Question 5

actions of biceps brachii?

Answer 5

supination of forearm,

flexion of elbow

Question 6

Innervation of biceps Brachii?

Answer 6

musculocutaneous nerve (C5-C6)

Question 7

Vascular supply of biceps brachii

Answer 7

Brachial artery

Question 8

where does the biceps brachii tendon lie (long head)

Answer 8

intertubercular groove (biceps pulley)

Question 9

where can you palpate the insertion of the biceps brachii?

Answer 9

crook of arm

Question 10

what tests can you do for biceps brachii?

Answer 10

speeds

yergason’s

Question 11

what forms the roof of the cubital fossa?

Answer 11

bicipital aponeuorosis

Question 12

what is a positive speeds and what does it mean?

Answer 12

biceps tendonosis and pain is positive

Question 13

what would weakness without pain mean in a speeds test?

Answer 13

muscle weakness/rupture

Question 14

what structures lie in the cubital fossa?

Answer 14

biceps tendon, brachial artery, median nerve,

median cubital vein
radial nerve (deep branch)

Question 15

what forms the sides of the cubital fossa?

Answer 15

brachioradialis and pronator teres

Question 16

where does the brachialis lie?

Answer 16

deep to biceps brachii (behind every great biceps brachii there is a great brachialis’

Question 17

what is the origin of the brachialis?

Answer 17

distal humerus anterior

near the insertion of the deltoid muscle

Question 18

where does the brachialis insert?

Answer 18

the ulnar tuberosity

Question 19

what is the action of the brachialis?

Answer 19

flexion at the elbow (better than the biceps brachii - and makes it look better)

Question 20

innervation of the brachialis?

Answer 20

musculocutaneous (C5-C7), with 70-80% of people also innervated by radial nerve

Question 21

what forms the floor of the cubital fossa?

Answer 21

brachialis muscle

Question 22

what is the Popeye Sign’

Answer 22

sign of a ruptured long head of biceps brachii tendon.

common. characteristic buldge on elbow flexion

Question 23

why wouldn’t the patient notice much weakness in the upper limb when rupturing the biceps tendon long head

Answer 23

due to the action of the brachialis and supinator muscles.

Question 24

where is coracobrachialis?

Answer 24

deep to biceps brachii

Question 25

what is coracobrachialis innervated by?

Answer 25

musculocutaneous nerve

Question 26

origin of coracobrachialis?

Answer 26

coracoid process of scapula

Question 27

where does the coracobrachialis travel through?

Answer 27

axilla

Question 28

where does coracobrachialis insert

Answer 28

medial side of the humoral shaft at the level of deltoid tuberosity

Question 29

function of coracobrachialis?

Answer 29

flexion of arm/humorus at shoulder, weak adduction

Question 30

what muscle forms the posterior comp. of upper arm?

Answer 30

triceps brachii

Question 31

what are the heads of triceps brachii?

Answer 31

long , medial, lateral | medial is deep

Question 32

what is the arterial supply to the triceps?

Answer 32

profunda (deep) brachial artery

Question 33

origin of long head triceps brachii

Answer 33

infraglenoid tubercle

Question 34

origin of medial head triceps

Answer 34

posterior humerus, inferior to radial groove

Question 35

Origin of lateral head triceps

Answer 35

Posterior humerus, superior to radial groove

Question 36

insertion of triceps

Answer 36

olecranon of ulnar

Question 37

function of triceps?

Answer 37

extension of arm at the elbow

Question 38

innervation of triceps?

Answer 38

radial nerve

Question 39

how to test spinal segment C7?

Answer 39

tap on triceps tendon

Question 40

who ruptures triceps tendon? (rare)

Answer 40

weight lifters, steroid users, diabetics, renal failure pts.

Question 41

how do you know if triceps tendon ruptured>

Answer 41

unable to extend elbow

Question 42

what is the radial nerve origin?

Answer 42

posterior cord, C5-T1

Question 43

what might an lateral xray show if triceps tendon ruptured

Answer 43

flake sign

Question 44

what type of joint is glenohumeral?

Answer 44

ball and socket. synovial

Question 45

what action can biceps brachii cause at shoulder joint

Answer 45

adduction, abduction , inversio

Question 46

articulation of shoulder joint

Answer 46

glenoid cavity of scapula | head of humerus

Question 47

what covers the long head of the biceps?

Answer 47

transverse humeral ligament, only short

Question 48

what is the main supinator

Answer 48

biceps brachii

Question 49

what muscle does coracobrachialis have coarsing through

Answer 49

musculocutaneous

Question 50

shoulder impingement is?

Answer 50

bursitis. inflammation of the bursa locatd just over the rotator cuff tendon of supraspinatus muscle, acromial spur can cause impingement on the bursa and tendons

Question 51

what does Hawkins test test for?

Answer 51

impingement

Question 52

what is the drop arm test for?

Answer 52

impingement and rotator cuff test

Question 53

the belly press test?

Answer 53

subscapularis

Question 54

the lift off test

Answer 54

subscapularis

Question 55

adduction / ext rotation test

Answer 55

supra and infraspinatus

Question 56

jobe test

Answer 56

supraspinatius

Question 57

neers test

Answer 57

impingement . Examiner passively elevates the pronated arm of the patient above the level of the shouldr. positive test:pain at anterolateral section of shoulder (subacromial Impingement)

Question 58

Hawkins test

Answer 58

arm fully adduced and forward flexed. elbow flexed too. apply int rotation. indicates subacromial I'm,igment

Question 59

drop arm test

Answer 59

hold affected arm in abduction, slowly adduct. rotator cuff tear: arms drops rapidly