brachium and cubital fossa

Question 1

septa

Answer 1

tough fibrous CT that divide a limb segment into compartments

Question 2

2 facial compartments of the arm

Answer 2

1 medial intermuscular septum

2 lateral intermuscular septum

Question 3

separates muscles of anterior arm from medial side of triceps complex

Answer 3

medial intermuscular septum

Question 4

separates muscles of anterior arm from lateral side of triceps complex

Answer 4

lateral intermuscular septum

Question 5

anterior brachial compartment muscles: 3

Answer 5

1 biceps brachii
2 coracobrachialis
3 brachialis

Question 6

anterior brachial compartment functions

Answer 6

forearm flexers

biceps also flexes shoulder and supinates forearm

Question 7

forearm flexers (crosses elbow joint) muscles: 2

Answer 7

1 biceps brachii

2 brachialis

Question 8

anterior brachial compartment innervation

Answer 8

musculocutaneous nerve

functional neurological level C5-6

Question 9

anterior brachial compartment nerves passing throught (not innervating): 2

Answer 9

median nerve and ulnar nerve

Question 10

anterior brachial compartment vascularization: 2

Answer 10

1 brachial artery

2 basilic vein and venae comitantes

Question 11

distal attachment of supraspinatus on humerus?

Answer 11

superior facet

Question 12

distal attachment of pectoralis major on humerus?

Answer 12

crest of greater tubercle (lateral lip)

Question 13

distal attachment of latissimus dorsi on humerus?

Answer 13

in floor of intertubercular (bicipital groove)

Question 14

distal attachment of deltoid on humerus?

Answer 14

deltoid tuberosity

Question 15

distal attachment of subscapularis on humerus?

Answer 15

lesser tubercle

Question 16

distal attachment of teres major on humerus?

Answer 16

crest of lesser tubercle

Question 17

distal attachment of infraspinatus on humerus?

Answer 17

middle facet of greater tubercle

Question 18

distal attachment of teres minor on humerus?

Answer 18

inferior facet of greater tubercle

Question 19

two joint muscle crossing both the glenohumeral and elbow joints

Answer 19

biceps brachii

Question 20

short head from tip of coracoid process what muscle and attach proximal/distal?

Answer 20

biceps brachii proximal attachment

Question 21

long head from supraglenoid tubercle of scapular what muscle and attach proximal/distal?

Answer 21

biceps brachii proximal attachment

Question 22

tuberosity of radius what muscle and attach proximal/distal?

Answer 22

biceps brachii and distal attachment

Question 23

flexion and supination of forearm and assists in forearm flexion describes what muscle?

Answer 23

biceps brachii

Question 24

innervation of musculocutaneous nerve (C5-6) is what muscle?

Answer 24

biceps brachii

Question 25

tip of coracoid what muscle and attach proximal/distal?

Answer 25

coracobrachialis and proximal attachment

Question 26

middle third of medial border of humerus what muscle and attach proximal/distal?

Answer 26

coracobrachialis and distal attachment

Question 27

weakly flexes and adducts arm describes what muscle?

Answer 27

coracobrachialis

Question 28

innervation of musculocutaneous nerve (C6) is what 2 muscles?

Answer 28

coracobrachialis and brachialis

Question 29

distal half of anterior surface of humerus and intermuscular septum what muscle and attach proximal/distal?

Answer 29

brachialis and proximal attachment

Question 30

tuberosity of coronoid (ulna) process what muscle and attach proximal/distal?

Answer 30

brachialis and distal attachment

Question 31

main flexor of forearm describes what muscle?

Answer 31

brachialis

Question 32

posterior brachial compartment muscles: 2

Answer 32

1 triceps brachii (long, lateral, medial head) | 2 anconeus

Question 33

posterior brachial compartment function: 3

Answer 33

1 forearm extensors 2 long head of triceps can extend shoulder (brachium) 3 synergists in forearm supination

Question 34

posterior brachial compartment: innervation

Answer 34

radial nerve | functional neurological level C7

Question 35

posterior brachial compartment: vascularization

Answer 35

deep brachial artery

Question 36

long head from infraglenoid tubercle of scapula what muscle and attach proximal/distal?

Answer 36

triceps brachii and proximal attachment

Question 37

lateral head from posterior surface of humerus above the radial groove what muscle and attach proximal/distal?

Answer 37

triceps brachii and proximal attachment

Question 38

medial head from posterior surface of humerus below the radial groove what muscle and attach proximal/distal?

Answer 38

triceps brachii and proximal attachment

Question 39

olecranon process is where what muscle and attach proximal/distal?

Answer 39

triceps brachii and distal attachment

Question 40

forearm extension and long head also assists in arm extension describes what muscle?

Answer 40

triceps brachii

Question 41

innervation of radial nerve (C6-8) is what muscle?

Answer 41

triceps brachii

Question 42

posterior aspect of lateral epicondyle of humerus what muscle and attach proximal/distal?

Answer 42

anconeus and proximal attachment

Question 43

lateral surface of olecranon and superior part of posterior surface of ulna is what muscle and attach proximal/distal?

Answer 43

anconeus and distal attachment

Question 44

abducts ulna during pronation of forearm and assists triceps during forearm extension describes what muscle?

Answer 44

anconeus

Question 45

innervation of radial nerve (C7-8, T1) is what muscle?

Answer 45

anconeus

Question 46

superior lateral cutaneous nerve of arm: from what nerve?

Answer 46

axillary

Question 47

medial brachial cutaneous nerve: direct branch from what cord?

Answer 47

medial cord

Question 48

medial antebrachial cutaneous nerve: direct branch from what cord?

Answer 48

medial cord

Question 49

lateral antebrachial cutaneous nerve: termination of what nerve?

Answer 49

musculocutaneous

Question 50

posterior cutaneous nerve of arm: from what nerve?

Answer 50

radial

Question 51

posterior cutaneous nerve of forearm: from what nerve?

Answer 51

radial

Question 52

pierces lateral intermuscular septum distal to deltoid insertion is what nerve?

Answer 52

radial nerve

Question 53

supplies skin on lateral forearm as far as wrist is what nerve?

Answer 53

musculocutaneous

Question 54

what artery anastomosis superior ulnar collateral to posterior ulnar recurrent?

Answer 54

brachial artery

Question 55

what artery anastomosis inferior ulnar collateral to anterior ulnar collateral?

Answer 55

brachial artery

Question 56

what are the cubital fossa contents (TAN)

Answer 56

biceps Tendon brachial Artery median Nerve

Question 57

what is the lateral boundary of the cubital fossa?

Answer 57

brachioradialis muscle

Question 58

what is the medial boundary of the cubital fossa?

Answer 58

pronator teres muscle

Question 59

what is the floor boundary of the cubital fossa?

Answer 59

supinator and brachialis muscles

Question 60

what is the roof boundary of the cubital fossa?

Answer 60

skin, superficial and deep fascia, bicipital aponeurosis

Question 61

what is the superior base boundary of the cubital fossa?

Answer 61

line between two humeral epicondyles

Question 62

fracture to surgical neck of humerus, anterior dislocation of glenohumeral joint, rotator cuff repair surgery are all causes for injury to the?

Answer 62

axillary nerve

Question 63

numbness, difficulty abducting, diminished lateral rotation of arm, and deltoid muscle wasting are all clinical presentations of injury to the?

Answer 63

axillary nerve