Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Anatomy Exam 2: Lectures 8-15 > Lecture 10: Brachium, Cubital Fossa > Flashcards

Lecture 10: Brachium, Cubital Fossa Flashcards

1
Q

What is the facial septa?

A

Touch fibrous connective tissue membranes that divide a limb segment into two or more compartments

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Where does the medial intermuscular septum go to and from?

A

from subcutaneous sheet to humerus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What does the medial inter muscular septum separate?

A

muscles of anterior arm from medial side of triceps complex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Where does the lateral intermuscular septum go to and from?

A

from subcutaneous sheath to humerus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What does the lateral inter muscular septum separate?

A

muscles of anterior arm from lateral side of triceps complex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the muscles of the anterior brachial compartment?

A

biceps brachii
coracobrachialis
brachialis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the functions of the muscles of the anterior brachial compartment?

A

forearm flexors

biceps also flexes shoulder and supinates forearm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the innervation of the muscles in the anterior brachial compartment?

A

musculocutaneous nerve

functional neurological level: C5-C6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What nerves are passing through the anterior brachial compartment?

A

median nerve

ulnar nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the vascularization of the anterior brachial compartment?

A

brachial artery

basilic vein and venae comitantes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the biceps brachii?

A

two joint muscle crossing both the glenohumeral and elbow joints

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Tendon for long head biceps brachii passes through bicipital groove between ____________ of the humerus

A

lesser and greater tubercles of the humerus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the proximal attachment of the biceps brachii?

A

short head from tip of coracoid process

long head from supraglenoid tubercle of scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the distal attachment of the biceps brachii?

A

tuberosity of radius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the action of the biceps brachii?

A

flexion and supination of forearm

assists in forearm flexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the innervation of the biceps brachii?

A

musculocutaneous nerve

C5-6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is the coracobrachilais?

A

single joint muscle crossing only glenohumeral joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What pierces the coracobrachilais?

A

musculocutaneous nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is the proximal attachment of the coracobrachilais?

A

tip of coracoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is the distal attachment of the coracobrachilais?

A

middle third of medial border of humerus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What is the action of the coracobrachilais?

A

weakly flexes and adducts arm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is the innervation of the coracobrachilais?

A

musculocutaneous nerve

C6-7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What is the brachialis?

A

single joint muscle crossing only over the elbow joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is the proximal attachment of the brachialis?

A

distal half of anterior surface of humerus and inter muscular septum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What is the distal attachment of the brachialis?
tuberosity of coronoid process
26
What is the action of the brachialis?
main flexor of forearm
27
What is the innervation of the brachialis?
musculocutaneous nerve | C5-6
28
What are the muscles of the posterior brachial compartment?
triceps brachii: long, lateral, medial head | Anconeus
29
What is the function of the posterior brachial compartment?
forearm extensors long head of triceps can extend shoulder (brachium) Synergists in forearm supination
30
What is the innervation of the posterior brachial compartment?
radial nerve | functional neurological level = C7
31
What are the nerves passing through posterior brachial compartment?
median nerve | ulnar nerve
32
What is the vascularization of the posterior brachial compartment?
deep brachial artery
33
What is the triceps brachii?
lateral and medial heads are single joint muscles that cross only the elbow joint long head is a multipoint muscle crossing both the elbow and shoulder joints
34
What is the proximal attachment of the triceps brachii long head?
infraglenoid tubercle of the scapula
35
What is the proximal attachment of the triceps brachii lateral head?
posterior surface of humerus above the radial groove
36
What is the proximal attachment of the triceps brachii medial head?
posterior surface of humerus below the radial groove
37
What is the distal attachment of the triceps brachii?
olecranon process
38
What is the action of the triceps brachii?
forearm extension | long head also assists in arm extensions
39
What is the innervation fo the triceps brachii?
radial nerve | C6-8
40
Anconeus proximal attachment
posterior aspect of lateral epicondyle of humerus
41
Anconeus distal attachment
lateral surface of olecranon | superior part of posterior surface of ulna
42
Anconeus action
abducts ulna during pronation of forearm | assists triceps during forearm extension
43
Anconeus innervation
radial nerve | C7-8, T1
44
Where does the superior lateral cutaneous nerve of arm branch from?
axillary nerve
45
Where does the medial brachial cutaneous nerve branch from?
direct branch from from medial cord
46
Where does the medial ante brachial cutaneous nerve branch from?
direct branch from medial cord
47
Where does the lateral ante brachial cutaneous nerve branch from?
termination of musculocutaneous nerve
48
Where does the posterior cutaneous nerve of arm branch from?
from radial nerve
49
Where does the posterior cutaneous nerve of forearm branch from?
radial nerve
50
What does the median nerve supply?
flexor muscles on the radial side of the forearm
51
True or false? The median nerve does not supply muscles in the arm.
true
52
The median nerve travels with the _______ artery
brachial
53
The median nerve crosses the cubital fossa superficially with ______ and deep to _______
brachial artery | bicipital aponeurosis
54
What does the ulnar nerve supply?
flexor muscles on the ulnar side of the forearm
55
The ulnar nerve runs with the _________ artery
superior ulnar collateral artery
56
What does the ulnar nerve pierce?
medial intermuscular septum
57
The radial nerve is a _________ branch of the __________ cord of the brachial plexus
terminal | posterior
58
What does the radial nerve supply?
extensor muscles in posterior compartment of brachium extensor muscles of wrist and hand brachioradialis muscle
59
The radial nerve descends ________ to the axillary artery.
Posterior
60
What does the radial nerve pierce?
lateral intermuscular septum distal to deltoid insertion
61
Radial nerve divides into superficial and deep branches near _________ epicondyle.
lateral
62
The radial nerve branches in the axilla in what third of the arm?
upper third
63
What are the branches of the radial nerve in the axilla of the upper third of the arm?
muscular branch to long head of triceps muscular branch to medial head of triceps posterior brachial cutaneous nerve
64
What are the branches of the radial nerve in the radial groove of the middle third of the arm?
branch to lateral and medial triceps and ancones lower lateral brachial cutaneous nerve posterior cutaneous nerve of the forearm
65
What are the branches of the radial nerve in the distal third of the arm?
branch to brachioradialis branch to extensor carpi radials longus articular branches to elbow joint
66
What does the musculocutaneous nerve pierce?
coracobrachialis in upper half of third of brachium | fascia lateral to biceps tendon
67
What does the musculocutaneous nerve innervate?
muscles of anterior brachial compartment
68
what does the musculocutaneous nerve continue as?
lateral cutaneous nerve of the forearm
69
What does the lateral cutaneous nerve of the forearm supply?
skin on lateral forearm as far as wrist
70
The _____ artery is the direct continuation of the axillary artery
brachial
71
Where does the brachial artery begin?
inferior border of teres major
72
What is the main branch of the brachial artery?
deep brachial artery
73
What are the other branches of the brachial artery?
superior ulnar collateral to posterior ulnar recurrent | inferior ulnar collateral to anterior ulnar recurrent
74
The ______ vein is a lateral continuation of dorsal venous arch
cephalic
75
What does the cephalic vein pass through?
deltopectoral triangle
76
What does the cephalic vein empty into?
axillary vein
77
The cephalic vein ascends in the _______ fascia along ______ aspect of forearm and arm
superficial | lateral
78
The _______ vein is a medial continuation of dorsal venous arch
basilic
79
The basilic vein ascends in the ______ fascia along the ______ aspect of forearm and arm to ____ of arm
superficial lateral middle
80
What does the basilic vein pierce?
deep fascia and ascends in upper aspect of arm in deep fascia
81
Basilic vein joints _______ to form axillary vein
venae comitantes
82
What does the median cubital vein connect?
basilic and cephalic veins
83
Where does the median cubital vein review blood from?
median ante brachial vein
84
What does the median cubital vein drain?
blood from palmar hand
85
What are venae comitantes?
veins that parallel arteries
86
How many venae comitantes are there per artery?
two
87
What do venae comitantes do?
countercurrent heat exchange
88
Lateral boundary of cubital fossa
brachioradialis muscle
89
medial boundary of cubital fossa
pronator teres muscle
90
superior base of cubital fossa
line between two humeral epicondyles
91
floor of cubital fossa
supinator and brachilais muscle
92
roof of cubital fossa
skin, superficial and deep fascia, bicipital aponeurosis
93
What are the contents of the cubital fossa (lateral to medial)?
``` biceps tendon brachial artery median nerve bifurcation of radial and ulnar arteries brachial veins bicipital aponeurosis radial nerve ```

Anatomy Exam 2: Lectures 8-15 (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions