the Elbow

Question 1

AROM

Answer 1

Flexion = 150
Extension = 0 - -5
Pronation = 80-90
supination = 90

Question 2

Open packed Humeroulnar

Answer 2

70 flexion

Question 3

open packed Humeroradial

Answer 3

full extension and supination

Question 4

open packed proximal radioulnar

Answer 4

70 flexion 35 supination

Question 5

close pack humeroulnar

Answer 5

full extension

Question 6

close packed humeroradial

Answer 6

90 flexion 5 supination

Question 7

close packed proximal radioulnar

Answer 7

5 supination 90 flexion

Question 8

Open kinetic chain motion Humerulner/ humeroradial

Answer 8

Flexion: radius and ulnar roll and glide anterior on humerus
Extension: roll and glide posterior on humerus

Question 9

open kinetic chain proximal radioulnar

Answer 9

pronation: radius spins medially on ulnar
supination: radius spins laterally on ulna

Question 10

closed chain motion humerulnar/radial

Answer 10

flexion: roll and glide posterior
Extension: roll and glide anterior

Question 11

cubital Valgus

Answer 11

carrying angle is > 15

Question 12

Cubital Varus

Answer 12

carrying angle is < 5

Question 13

Quadrangular space is bordered by

Answer 13

medial: long head of triceps
Lateral: surgical neck of humerus
Superior: teres minor
Inferior: teres major

Question 14

Triangular space is bordered by

Answer 14

Inferior: teres major
Laterally: long head of triceps
Superior: teres major/subscapularis

Question 15

triangular interval is bordered by

Answer 15

superior: teres major
medial long head of triceps
lateral: lateral head of triceps/ humerus

Question 16

Cervical plexus

Answer 16

C1 - C4

Question 17

brachial plexus

Answer 17

C4 - T1

Question 18

what is the structure of the brachial plexus

Answer 18

5 Roots, 3 Trunks, 6 divisions, 3 cords, 5 branches

Question 19

what are the nerves that are the exit of the brachial plexus

Answer 19

musculocutaneous nerve, axillary nerve, radial nerve, median nerve, ulnar nerve

Question 20

what are the 8 carpal bones and their order

Answer 20

Scaphoid, Lunate, triquetrum, pisiform, trapezium, trapezoid, capitate, hamate

Question 21

what are the muscles that do flexion of the elbow

Answer 21

brachialis (prime mover)
Biceps Brachii
brachioradialis

Question 22

what are the muscles that do extension of the elbow

Answer 22

triceps brachii (prime mover)
anconeus

Question 23

what are the muscles that do pronation of forearm

Answer 23

Pronator teres
pronator quadratus
brachioradialis

Question 24

what muscles do supination of forearm

Answer 24

supinator
biceps brachii
brachioradialis