W9 - Superficial Flexor Muscles Of The Wrist

Question 1

Name the five muscles in the superficial flexor compartment of the wrist

Answer 1

Pronator Teres
Flexor carpi radialis
Flexor carpi ulnaris
Palmaris longus
Flexor digitorum superficialis

Question 2

Name the proximal and distal attachment sites for the pronator Teres muscle

Answer 2

Proximal
Medial epicondyle of the humerus and adjacent supracondylar ridge; ulnar head and medium side of coracoid process

Distal
Lateral surface of the midshaft of the radius

Question 3

What nerve supplies the pronator Teres muscle

Answer 3

Median nerve C6 to 7

Question 4

What movement does the pronator Teres muscle do?

Answer 4

Pronation

Question 5

Name the proximal and distal attachment sites for the flexor carpi radialis muscle

Answer 5

Proximal
Medial epicondyle on the humerus

Distal
Palmer surface of bases of metacarpals two and three

Question 6

What nerve supplies the flexor carpi radialis muscle

Answer 6

Medium nerve C6 to 7

Question 7

What movement is the flexor CARPI radialis muscle responsible for

Answer 7

Flexion and abduction of the wrist

Question 8

Name the proximal and distal attachment sites for the flexor carpi ulnaris muscle

Answer 8

Proximal
Media epicondyle of the humorous, media border of olecranon and posterior border of ulna

Distal
Pisiform, hook of hamate, and base of metacarpal five

Question 9

What nerve supplies the flexor carpi ulnaris muscle

Answer 9

Ulnar nerve C7 - 8

Question 10

What action is the flexor carpi ulnaris responsible for

Answer 10

Flexion and adduction of the wrist
Synergic action in abduction of digit five

Question 11

Proximal and distal attachment sites for palmaris longus muscle

Answer 11

Proximal
Medial epicondyle of humorous

Distal
Flexor retaculum and Apex of Palmer aponeurosis

Question 12

What nerve applies the palmaris longus muscle?

Answer 12

Median nerve C7 to 8

Question 13

What action is the Palmaris longus muscle responsible for?

Answer 13

Weak flexor of the wrist and tightens the Palmer fascia

Question 14

Name proximal and distal attachment sites for the flexor digitorum superficialis muscle

Answer 14

Proximal
1st head : Medial epicondyle of the humerus and ulna coranoid process
2nd head : proximal 2/3 of the anterior border of radius

Distal
Palmer surface of middle phalanx of each finger

Question 15

What nerve supplies the flexor digitorum superficialis muscle?

Answer 15

Median nerve C8 - T1

Question 16

What action is the flexor digitorum superficialis muscle responsible for?

Answer 16

Flexion at the wrist, MCP and PIP joints
Tendon arrangement to increase power group