Elbow, Hand & Wrist Palpations

Question 1

Brachialis

Answer 1

Origin - distal half of anterior humerus
Insertion - coronoid process of the ulna
Action - elbow flexion

Question 2

Bicep Brachii-Short Head

Answer 2

Origin - Coracoid process, glenoid tubercle
Insertion - Radial tuberosity, bicipital aponeurosis
Action - Flexion, supination @ elbow, flexion of shoulder

Question 3

Bicep Brachii Long Head/Tendon

Answer 3

Origin - supraglenoid tubercle
Insertion - radial tuberosity

Question 4

Triceps Brachii Long Head

Answer 4

Origin - infraglenoid tubercle
Insertion - olecranon process
Action - elbow extension, shoulder extension

Question 5

Tricep Medial/Lateral Head

Answer 5

Origin - posterior humerus
Insertion - olecranon process of ulna

Question 6

Brachioradialis

Answer 6

Origin - proximal 2/3 of lateral supracondylar ridge of humerus
Insertion - Styloid process of radius
Action - forearm flexion when pronated

Question 7

Wrist Flexors

Answer 7

Action - flex wrist, weak elbow flexors

Question 8

Wrist Extensors

Answer 8

Action - extend wrist, weak wrist extensors

Question 9

Extensor Carpi Radialis Longus

Answer 9

Origin - distal 1/3 of lateral supracondylar ridge of humerus
Insertion - base of 2nd metacarpal
Action - Wrist extension, radial deviation

Question 10

Extensor Carpi Radialis Brevis

Answer 10

Origin - lateral epicondyle of humerus
Insertion - base of 3rd metacarpal
Action - Wrist extension, radial deviation

Question 11

Ext Carpi Ulnaris

Answer 11

Origin - lateral epicondyle
Insertion - base of 5th metacarpal
Action - Wrist extension, radial deviation

Question 12

Extensor Digitorum

Answer 12

Origin - lateral epicondyle
Insertion - base of middle and distal phalanges of 2-5
Action - 2-5 extension

Question 13

Anconeus

Answer 13

Origin - lateral epicondyle
Insertion - olecranon process, posterior and proximal ulna
Action - elbow terminal extension

Question 14

Flex Carpi Radialis

Answer 14

Origin - medial epicondyle
Insertion - base of 2nd and 3rd metacarpals, palmar
Action - flex wrist, radial deviate

Question 15

Palmaris Longus

Answer 15

Origin - medial epicondyle
Insertion - flexor retinaculum and palmar aponeurosis
Action - opposition, flex wrist

Question 16

Flexor Carpi Ulnaris

Answer 16

Origin - medial epicondyle, posterior proximal ulna
Insertion - pisiform, hook of hamate, base of 5th metacarpal
Action - flex wrist, ulnar deviation

Question 17

Flexor Digitorum Superficialis

Answer 17

Origin - medial epicondyle, medial coronoid process on ulna, radial head and upper 2/3 anterior border radius, distal to radial tuberosity
Insertion - middle phalanx of 2-5 on palmar
Action - flexion PIP

Question 18

Flexor Digitorum Profundus

Answer 18

Origin - anterior and medial surface of proximal 3/4 ulna
Insertion - base of distal phalanges, 2-5, palmar
Action - flex DIP

Question 19

Pronator Teres

Answer 19

Origin - medial epicondyle
Insertion - middle of lateral surface of radius
Action - pronation

Question 20

Flex Carp Rad/Palm Long Tend

Answer 20

n/a

Question 21

Anatomical Snuff Box

Answer 21

n/a

Question 22

Extensor Pollicis Longus

Answer 22

Origin - post ulna
Insertion - base of distal phalanx of thumb
Action - extend IP

Question 23

Extensor Pollicis Brevis

Answer 23

Origin - post surface of radius
Insertion - base of proximal phalanx of thumb
Action - Extend MCP

Question 24

Abductor Pollicis Longus

Answer 24

Origin - post surface of radius and ulna
Insertion - base of 1st metacarpal
Action - ABD thumb