Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy - extremities > Arm and Flexor Forearm > Flashcards

Arm and Flexor Forearm Flashcards

1
Q

What does the brachial fascia attach to? What spaces does it create?

A

Attached below to the humeral epicondyles and olecranon process of the ulna

Anterior - Flexor compartment

Posterior - Extensor compartment

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

What are the muscles, nerve supplies, and blood supplies of the anterior compartment of the arm?

A
  1. Muscles
    Biceps brachii
    Brachialis
    Coracobrachialis
  2. Blood supply - Brachial artery
  3. Nerve supply - Musculocutaneous nerve
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Biceps brachii: N and A?

A

N. Musculocutaneous
A. Flexes and supinates forearm (most powerfu1 supinator), weak flexor of arm.

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

Brachialis: N and A?

A

N. Musculocutaneous
A. Chief flexor of the forearm

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

Coracobrachialis: N and A?

A

N. Musculocutaneous
A. Flexes and adducts the humerus

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

What are the muscles, nerves, and blood supplies of the posterior compartment of the arm?

A
  1. Muscles
    Triceps brachii
    Anconeus
  2. Nerve supply - Radial nerve
  3. Blood supply - Profunda brachii and ulnar collateral arteries
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Triceps brachii: N/A

A

N. Radial
A. Chief extensor of the forearm

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

Anconeus: N/A

A

N. Radial
A. Extension of the forearm

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

What does the brachial artery run with? split into?

A

Runs with median nerve on medial side of biceps

Splits into radial and ulnar nerves

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

What are the main branches of the brachial artery before it bifurcates?

What do they run with?

A
  1. deep brachial artery (profunda brachii) - splits to radial and middle collateral - runs with radial nerve (radial groove)
  2. superior ulnar collateral - runs with ulnar nerve
  3. inferior ulnar collateral
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Describe the arterial anastamoses around the cubital fossa.

A
  1. radial collateral w/ radial recurrent (in front of lat. epicondyle)
  2. middle collateral w/ interosseous recurrent (behind lat. epicondyle)
  3. superior ulnar collateral w/ posterior ulnar recurrent (behind med. epicondyle)
  4. inferior ulnar collateral w/ anterior ulnar recurrent (in front of med. epicondyle)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What runs in the radial groove?

A
  1. radial nerve
  2. deep brachial artery

formed by medial and lateral head of biceps

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

What are the nerves of the arm?

A
  1. median nerve (no branches)
  2. musculocutaneous (becomes lateral antebrachial cutaneous)
  3. ulnar (no branches)
  4. radial (splits to superficial sensory and deep motor)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Boundaris of the cubital fossa?

Contents - medial to lateral?

A
  1. Boundaries

Lateral - Brachioradialis muscle
Medial - Pronator teres muscle
Floor - Supinator (lateral) and Brachialis (Medial) muscles
Roof- Bicipital aponeurosis

  1. Contents (Medial to Lateral)

Median nerve
Brachial artery and terminal branches
Biceps tendon
Radial nerve and terminal branches

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

What three structures does the antebrachial fossa form?

A
  1. Interosseous membrane
  2. Flexor retinaculum (transverse carpal ligament)
  3. Extensor retinaculum
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are the superficial, intermediate, and deep muscles of the flexor forearm?

A

Superficial:

  1. Pronator Teres
  2. Flexor carpi radialis
  3. palmaris longus
  4. flexor carpi ulnaris

Intermediate:

  1. flexor digitorum superficialis

Deep:

  1. flexor pollicus longus
  2. flexor digitorum profundus
  3. pronator quadratus
17
Q

All of the muscles are innervated by the __ nerve except the ___, which are supplied by the ___ nerve.

A

median

flexor carpi ulnaris and medial 1/2 of the flexor digitorum profundus

ulnar

18
Q

What are the N/A of:

  1. Pronator Teres
  2. Flexor carpi radialis
  3. palmaris longus
  4. flexor carpi ulnaris
A
  1. pronator teres: N: median, A: pronation/flexion of forearm
  2. flexor carpi radialis: N: median, A: flexion, abduction of wrist
  3. palmaris longus: N: median, A: flex (barely)
  4. flexor carpi ulnaris: N: ulnar, A: flexion, adduction
19
Q

What are the N/A of:

  1. flexor pollicus longus
  2. flexor digitorum profundus
  3. pronator quadratus
A
  1. flexor pollicus longus N: anterior interosseous br of median, A: flex thumb
  2. flexor digitorum profundus N: ulnar and anterior interosseous, A: flex finger, knuckle, wrist (only muscle to flex distal phalanges of medial 4 fingers)
  3. pronator quadratus N: anterior interosseous, A: pronate forearm
20
Q

Flexor digitorum superficialis: N/A?

A

N. Median nerve
A. Flexes fingers, knuckles and wrist

21
Q

What does the ulnar artery run with?

Branches?

A

Ulnar nerve

a. Anterior ulnar recurrent
b. Posterior ulnar recurrent
c. Common interosseous artery divides into the:
(1) Anterior interosseous artery
(2) Posterior interosseous artery (gives off the interosseous recurrent)

22
Q

What are the branches of the radial artery?

A

a. Radial recurrent
b. Superficial palmar branch - unites with the terminal part of the ulnar artery completing the superficial palmar arch

23
Q

Which nerve lies deep to the flexor retinaculum? superficial?

A

Deep: median

Superficial: ulnar

Anatomy - extremities (2 decks)

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