Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
40 Cards in this Set
- Front
- Back
|
What is the arm? the forearm?
|
Arm = brachial, from shoulder to elbow
Forearm = antebrachial, Elbow to wrist |
|
|
What is the distal continuation of the musculocutaneous n?
|
Lateral cutaneous n. of the forearm
|
|
|
What cutaneous n comes directly from the brachial plexus?
|
Medial cutaneous n of the arm and forearm
|
|
|
What is the major branch off of the brachial a.?
|
Profunda brachii a.
|
|
|
What are the terminal branches of the brachial a?
|
Radial and ulnar aa.
|
|
|
Where should you nerver ligate the brachial a?
|
Between the subscapular and profunda brachii b/c there is no collateral circulation here
|
|
|
What typically gives off the interosseous a?
|
Ulnar a.
|
|
|
Where do the cephalic and basilic vv run and what do they merge to form?
|
Cephalic - runs laterally (thumb side) down upper extremity
Basilic - runs medially down upper extremity merge into the axillary v |
|
|
What does the median cubital v often connect?
|
Cephalic and basilic vv in the cubital fossa
|
|
|
Dermatomes picture
|
Dermatomes picture
|
|
|
What runs deep in the arm and terminates at the axillary artery?
|
Brachial vv
|
|
|
Where do the following lymphatics drain?
Superifical of the lateral arm and forearm Medial arm & forearm + deep lymphatics of the arm Some from the medial forearm & hand? |
i. infraclavicular nodes
ii. lateral axillary nodes iii. 1st to supratrochlear nodes then lateral axillary nodes |
|
|
What nerve supplies all muscles of anterior compartment of the arm?
|
Musculocutaneous C5,6,7
|
|
|
What n. supplies all muscles of the posterior compartment of the arm?
|
Radial C5,6,7,8 T1
|
|
|
Which nerves have no branches in the arm?
|
Median and ulnar n.
|
|
|
Which muscles in the arm are flexors? Extensors? where are most nerves located?
|
Flexors - anterior muscles
Extensors - Posterior muscles Most nerves are medial |
|
|
How many anterior muscles are there? Posterior muscles?
|
Anterior - 3 muscles & musculocutaneous n.
Posterior - 1 muscle 3 heads - radial n |
|
|
What does the musculocutaneous n supply?
|
Dermatome on the forearm, and the biceps brachii, coracobrachailis, brachialis
|
|
|
What a. does the radial n. travel with?
|
Profnda brachi a.
|
|
|
Where is the radial nerve located, and what might happen if the humerus breaks?
|
Sits almost on top of the shaft of the humerus. Most likely to be damaged in a break
|
|
|
What is the origin, insertion, Action and nerve of the biceps brachii?
|
O: Long head - supraglenoid tubercle, short head - coracoid process. I: radial tuberosity & biciptial aponeurosis. A: flex forearm/arm supinate hand. N: Musculocutaneous C5-7
|
|
|
What is the origin, insertion, Action and nerve of the coracobrachialis?
|
O: Coracoid process. I: Middle 1/3 of humerus. A: flex and abduct arm N: Musculocutaneous C5-7
|
|
|
What is the origin, insertion, Action and nerve of the Brachialis?
|
O: Distal 2/3 of humerus. I: Coronoid process & tuberosity of ulna. A: Flex forearm. N: Musculocutaneous C5-7
|
|
|
What are the three anterior flexor muscles of the arm?
|
Biceps Brachii, coracobrachialis, brachialis
|
|
|
What is the posterior extensor muscle of the arm?
|
Triceps Brachii
|
|
|
What is the origin, insertion of the triceps Brachii
|
O: Long head infraglenoid tubercle, Lateral head - posterior and lateral, Medial head - posterior surface of Distal 1/2 of humerus. I: Olecranion
|
|
|
What is the Action and N. of the triceps brachii?
|
A: Extend forearm; extension and adduction of arm. Radial C5-T1
|
|
|
What is the cubital fossa and what are its borders?
|
Cubital fossa is a triangular space anterior to the elbow.
Boundaries: Base of triangle - imaginary line between epicondyles. Medially - pronator teres m, laterally - brachioradialis m. Floor - brachialis and supinator mm |
|
|
What are the cubital fossa?
|
Medial -> lateral
Median N., Brachial A., Tendon of biceps brachii m, radial n. |
|
|
What nerve runs along the surgical neck?
|
Axillary n.
|
|
|
What nerve runs along the humeral shaft?
|
Radial n.
|
|
|
What nerve runs along the Distal humerus?
|
Median n.
|
|
|
What nerve runs along the medial epicondyle?
|
Ulnar n.
|
|
|
What is a possible issue of drawing blood from the cubital fossa?
|
A superficial ulnar a. that might spurt out, be painful, or send medicine the wrong direction
|
|
|
Where do you listen when taking blood pressure?
|
brachial pulse in the cubital fossa
|
|
|
What is a sail sign at the elbow mean?
|
Means the fat pads are displaced outward, indicates joint effusion
|
|
|
What can a supracondylar spur entrap, and what does this entrapment seem like?
|
Entraps the median n. looks like carpal tunnel. A small piece of bone projecting from distal humerus
|
|
|
What can fluid in a joint be indicative of?
|
Subtle fracture
|
|
|
What tendon is used to test C5,6 nerves
|
Biceps brachii tendon
|
|
|
What is damage of the capitulum specific to?
|
certain sports - baseball
|
