Arm (Superficial and Bone)

Question 1

Olecranon

Answer 1

posterior point of elbow formed by ulna entering olecranon fossa

Question 2

Trochlea

Answer 2

“Pulley” like process on anteromedial elbow where ulna meets humerus

Question 3

Capitulum

Answer 3

Where cup-shaped radius meets anterolateral elbow.

Question 4

radial collateral ligament

Answer 4

Attaches the humerus to both the radius and ulnar

Question 5

Ulnar collateral ligament

Answer 5

Made up of anterior, posterior, oblique band. Ulnar to humerus medially.

Question 6

Annular ligament

Answer 6

Allows head of radius to rotate during pronation of hand

Question 7

interosseous membrane

Answer 7

Membrane between radius and ulna, transmitting force from one bone to the other

Question 8

Ulna

Answer 8

Medial lower arm bone, makes up elbow

Question 9

Deep Fascia of Limb

Answer 9

Prox to Dist.
Pectoral Fascia
Axillary Fascoa
Brachial Fascia
Antebrachial Fascia
Palmar, thenar, and hypothenar fascia

Not very elastic. Inflammation or edema can compress vessels

Question 10

Upper arm Anterior fascial component

Answer 10

Musculocutanous Nerve
Flexor muscles
Brachial artery

Question 11

Upper arm Posterior fascial compartment

Answer 11

Radial Nerve
Extensor Muscles
Deep brachial artery

Question 12

Lower arm anterior fascia compartments

Answer 12

Extensor muscles
radial nerve
posterior interosseous artery

Question 13

Lower arm posterior fascia components

Answer 13

Medial nerve (mostly)
Flexor
Radial, Ulnar, Anterior interosseous arteries