Muscles Anterior Forearm

Question 1

Pronator teres Origin

Answer 1

Common flexor tendon at medial epicondyle

Question 2

Pronator teres Insertion

Answer 2

Shaft of radius

Question 3

Pronator teres Innervation

Answer 3

Median nerve

Question 4

Pronator teres Action

Answer 4

Forms medial boundary of cubital fossa

Pronates

ODD BALL: Also helps in weak flexion of the forearm, because it originates and inserts more proximal

Question 5

Flexor carpi radialis Origin

Answer 5

Common flexor origin on medial epicondyle

Question 6

Flexor carpi radialis Insertion

Answer 6

Proximal hand

Extends down toward radius, thumb side

Question 7

Flexor carpi radialis Innervation

Answer 7

Median nerve

Question 8

Flexor carpi radialis Action

Answer 8

Flexes at wrist
Main action at wrist

Because it’s crossing to radial side:
Abducts the wrist

Question 9

Palmaris carpi ulnaris Origin

Answer 9

Common flexor bundle on epicondyle

Question 10

Palmaris carpi ulnaris Insertion

Answer 10

Proximal hand on ulnar side

Question 11

Palmaris carpi ulnaris Innervation

Answer 11

Ulnar nerve

THIS IS AN ODD BALL

Question 12

Palmaris carpi ulnaris Action

Answer 12

1) Flexes hand at wrist

2) adduct wrist

Question 13

Flexor digitorum superficialis Origin

Answer 13

Common flexor origin on medial epicondyle

Question 14

Flexor digitorum superficialis Insertion

Answer 14

Proximal phalanges

Question 15

Flexor digitorum superficialis Innervation

Answer 15

Median nerve

Question 16

Flexor digitorum superficialis Action

Answer 16

1) Flexes the digits
2) Flexes the wrist
(Crosses the wrist and the MCP joint)

Question 17

Flexor pollicis longus origin

Answer 17

Shaft of the radius

Question 18

Flexor pollicis longus insertion

Answer 18

Distal phalange of digit one

(All the way to the end of the thumb)

Question 19

Flexor pollicis longus innervation

Answer 19

Median nerve

Question 20

Flexor pollicis longus action

Answer 20

1) Flexes the thumb

2) Some flexion of wrist

Question 21

Flexor digitorum profundus Origin

Answer 21

Shaft of ulna

Question 22

Flexor digitorum profundus Insertion

Answer 22

Tendons for digits 2-5 (All the way to the distal phalanx (finger tips)

Question 23

Flexor digitorum profundus Innervation

Answer 23

Median and ulnar nerve
**Digits 4 and 5, medial aspect: Ulnar nerve
**Digits 2 and 3, lateral: Median nerve
(Big belly with several tendons, can receive from two different nerves)

Question 24

Flexor digitorum profundus Action

Answer 24

1) flex wrist

2) flex fingers

Question 25

Pronator quadratus Origin

Answer 25

Spans ulnar and radius at distal region

Question 26

Pronator quadratus Insertion

Answer 26

Spans ulnar and radius at distal region

Question 27

Pronator quadratus Innervation

Answer 27

Median nerve

Question 28

Pronator quadratus Action

Answer 28

Prime pronator of wrist