Unit 3 Arm And Forearm

Question 0

Medial collateral ligament

Ulnar

Answer 0

Medial epicondyle to coracoid process

Limits excessive lateral movement

Question 1

Elbow joint (2)

Answer 1

Humeroulnar joint
Humeroradial joint
Uniaxial, hinge joint

Question 2

Lateral collateral ligament

Radial

Answer 2

Lateral epicondyle to humerus, annular ligament and olecranon process.
Limits excessive medial movement

Question 3

Annular ligament

Answer 3

Wraps around radial head.

Holds head of radial

Question 4

Proximal & distal radioulnar joint

Answer 4

Uniaxial pivot joint

Radius and ulna held together by interosseous membrane.

Question 5

Biceps brachii

Answer 5

O long head: supraglenoid tubercle
Short head: coracoid process

I radial tuberosity, bicipital aponeurosis

A extend elbow, supinate, extend shoulder

N musculocutaneous

Question 6

Triceps brachii

Answer 6

O long head: infraglenoid tubercle
Lateral head: posterior surface of proximal 1/2 of humerus
Medial head: posterior surface of distal 1/2 of humerus
I olecranon process
A all- extend elbow
Long- extend elbow and shoulder, adduct shoulder
N radial

Question 7

Anconeus

Answer 7

O lateral epicondyle of humerus
I olecranon process, posterior proximal surface of ulna
A extend elbow
N radial

Question 8

Brachialis

Answer 8

O distal 1/2 of anterior humerus
I tuberosity and coronoid process of ulna
A flex elbow
N musculocutaneous small branch from radial

Question 9

Brachioradialis

Answer 9

O proximal 2/3 of lateral supracondylar ridge of humerus.
I Radial styloid
A flex elbow, assist resist supination and pronation
N radial

Question 10

Pronator teres

Answer 10

O common flexor tendon from the medial epicondyle of humerus, coronoid process of ulna
I middle of lateral surface of radius
A pronate forearm, assist to flex elbow
N median

Question 11

Pronator quadratus

Answer 11

O medial, anterior surface of distal ulna
I lateral, anterior surface of distal radius
A pronate
N median

Question 12

Supinator

Answer 12

O lateral epicondyle, radial collateral ligament, annular ligament, supinator crest of ulna.
I anterior lateral surface of proximal 1/3 of radial shaft
N radial

Question 13

Elbow flexion and extension

Goni

Answer 13

150, 0 
SLAR
Supine
Lateral epicondyle 
Acromion 
Radial styloid

Question 14

Supination and pronation

Goni

Answer 14

80
SUHS
Sitting 
Ulnar styloid 
Humerus
Styloids

Question 15

Elbow flexion

MMT

Answer 15

Biceps brachii

Sitting- AG, GE

Question 16

Elbow extension

MMT

Answer 16

Triceps brachii, Anconeus
Supine AG
Sitting GE

Question 17

Supination

MMT

Answer 17

Supinator, biceps brachii

Sitting- AG, GE

Question 18

Pronation

MMT

Answer 18

Pronator quadratus, Pronator teres

Sitting- AG, GE

Question 19

Ligamentous stability test

Answer 19

Stability of medial/ lateral collateral ligament of elbow
Medial laxity-instability of laterally excessive
Lateral laxity- instability of medially excessive

Question 20

Tennis elbow

Answer 20

Test for lateral epicondylitis

Pain in lateral epicondyle with contraction of wrist extensors

Question 21

Tinel sign

Answer 21

Neuroma within nerve.
Tingling sensation down forearm along ulnar distribution in hand.
Ex funny bone

Question 22

Golfers elbow

Answer 22

Test for medial epicondylitis

Pain in medial epicondyle with stretch of wrist flexors