Upper Extremity Part 2

Question 1

score of 0

Answer 1

no contration evident

Question 2

score of 1

Answer 2

contraction evident but cannot maintain position

Question 3

score of 2

Answer 3

maintains position in a gravity reduced position

Question 4

score of 3

Answer 4

maintains position against gravity, but no resistance

Question 5

score of 4

Answer 5

maintains position against submaximal resistance

Question 6

score of 5

Answer 6

maintains position against maximal resistance

Question 7

Superficial Anterior characteristics

Answer 7

• originate on medial epicondyle of humerus,
• flex hand a wrist
• pronate forearm

Question 8

Superficial Posterior characteristics

Answer 8

• originate on lateral epicondyle of humerus
• extends hand at wrist
• supination of forearm

Question 9

Deep Anterior Characteristics

Answer 9

• originate on forearm
• flex hand at wrist
• pronate forearm **same as superficial anterior

Question 10

Deep Posterior Characteristics

Answer 10

• originate on forearm
• extend hand at wrist
• supinate forearm **same as superficial posterior

Question 11

Muscles: anterior superficial

Answer 11

1. pronator teres
2. palmaris longus
3. flexor carpi radialis
4. flexor carpi ulnaris
5. flexor digatorum superificialis

Question 12

Pronator teres origin

Answer 12

medial epicondyle of humerus

& coronoid process of ulna

Question 13

Pronator teres insertion

Answer 13

lateral radius (middle 1/3)

Question 14

functions of pronator teres

Answer 14

1. pronate forearm

2. flexion of forearm @ elbow

Question 15

Flexor Carpi Radialis origin

Answer 15

medial epicondyle

Question 16

Flexor carpi radialis insertion

Answer 16

anterior hand on radial side

base of 2nd and 3rd metacarpals

Question 17

Flexor carpi radialis function

Answer 17

flex hand @ wrist

radially deviates the hand

Question 18

Flexor carpi ulnaris origin

Answer 18

medial epicondyle (common flexor tendon)

Question 19

Flexor carpi ulnaris insertion

Answer 19

Anterior hand of the ulnar side (pisiform, hook of hamate, and base of 5th metacarpal)

Question 20

Flexor carpi ulnaris functions

Answer 20

flexes hand at wrist

ulnar deviation of hand

Question 21

Palmaris Longus Origin

Answer 21

medial epicondyle of the humerus

Question 22

palmaris longus insertion

Answer 22

palm of hand–> palmar aponeurosis and flexor reticulum

Question 23

palmaris longus function

Answer 23

flexes hand

Question 24

Flexor Digatorum Superficialis origin

Answer 24

medial epicondyle

Question 25

Flexor Digatorum Superficialis insertion

Answer 25

anterior surface of fingers 2-5 ** each of the 4 tendons divide into 2 slips that attach onto the sides of the anterior surface of the middle phalanx

Question 26

Flexor Digatorum Superficialis Function

Answer 26

flexes fingers 2-5

flexes the hand at wrist

Question 27

Deep Anterior Muscles:

Answer 27

flexor digitorum profundus

Question 28

flexor digitorum profundus origin

Answer 28

medial and anterior ulna

Question 29

flexor digitorum profundus insertion

Answer 29

anterior surfaces of fingers 2-5

**distal phalanges

Question 30

flexor digitorum profundus functions

Answer 30

flex fingers 2-5

flexes the hand @ wrist

Question 31

Brachioradialis origin

Answer 31

lateral supracondylar ridge of humerus

Question 32

Brachioradialis insertion

Answer 32

styloid process of radius

Question 33

brachioradials functions

Answer 33

flexes forearm
supinates forearm (* when elbow is pronated) 
pronates forearm (*when elbow supinated)

Question 34

Muscles of Superficial Posterior

Answer 34

Extensor Digitorum

Question 35

Extensor Digitorum origin

Answer 35

lateral epicondyle

Question 36

Extenso digitorum insertion

Answer 36

phalanges of fingers 2-5

**via dorsal digital expansion onto the posterior surfaces of the MIDDLE AND DISTAL PHALANGES

Question 37

Deep posterior muscles

Answer 37

Supinator

Question 38

Supinator origin

Answer 38

lateral epicondyle of humerus

& Proximal Ulna

Question 39

Supinator insertion

Answer 39

proximal radius