Forearm Muscles

Question 1

Action: flexes elbow
Origin: humorous and septa
Insertion: coronoid process and ulna

Answer 1

Brachialis

Question 2

Action: flexes arm at elbow and brings forearm into midprone position
Origin: humorous and septum
Insertion: radius

Answer 2

Brachioradialis

Question 3

Action: extends elbow, stabilizes shoulder joint
Origin: scapula, humerus, septa
Insertion: ulna

Answer 3

Triceps brachii

Question 4

Action: supinates forearm
Origin: ulna, epidondyle, elbow
Insertion: radius

Answer 4

Supinator

Question 5

Action: flexes and abducts wrist
Origin: humerus
Insertion: metacarpals

Answer 5

Flexor Carpi radialis

Question 6

Action: flexes and abducts wrist
Origin: epidondyle and ulna
Insertion: metacarpals

Answer 6

Flexor Carpi ulnaris

Question 7

Action: extends all joints of fingers
Origin: humorous
Insertion: phalanges

Answer 7

Extensor digitorum

Question 8

Action: extends and adducts hand at wrist
Origin: humorous
Insertion: metacarpals

Answer 8

Extensor carpi ulnaris

Question 9

Action: extends and abducts hand at wrist
Origin: humorous and septum
Insertion: metacarpal 2

Answer 9

Extensor carpi radialus longus

Question 10

Action: extends and abducts hand at wrist
Origin: humorous
Insertion: metacarpal 3

Answer 10

Extensor carpi radialus brevis

Question 11

Action: supinates forearm, flexes elbow, weakly flexes shoulder
Origin: scapula
Insertion: radius and ulna

Answer 11

Biceps brachii