Wrist & Hand

Question 1

Flexor Carpi Radialis

Answer 1

Origin: Medial epicondyle of humerus

Insertion: 2nd metacarpal

Function: flexes and abducts wrist

Question 2

Flexor Carpi Ulnaris

Answer 2

Origin: Medial epicondyle of humerus

Insertion: pisiform and base of 5th metacarpal

Function: flexes and adducts wrist

Question 3

Flexor Digitorum Superficialis

Answer 3

Origin: Medial epicondyle of humerus, Coronoid and Midshaft of radius

Insertion: Middle Phalanges of fingers 2 - 5

Function: Flexes the fingers *not thumb

Question 4

Extensor Carpi Radialis Longus & Brevis

Answer 4

Origin: Lateral epicondyle of humerus

Insertion: base of 2nd & 3rd metacarpal

Function: Extends and Abducts Wrist

Question 5

Extensor Carpi Ulnaris

Answer 5

Origin: Lateral epicondyle of humerus and Ulna

Insertion: Base of 5th Metacarpal

Function: Extends and Adducts Wrist

Question 6

Extensor Digitorum

Answer 6

Origin: Lateral epicondyle of humerus

Insertion: All digits except thumb

Function: Extends fingers

Question 7

Flexion (agonist & antagonistic pairs)

Answer 7

Agonist:
Flexor Carpi Radialis
Flexor Carpi Ulnaris
Flexor Digitorum Superficialis

Antagonist:
Extensor Carpi Radialis Longus and Brevis
Extensor Carpi Ulnaris
Extensor DIgitorum

Question 8

Extension (agonist & antagonistic pairs)

Answer 8

Agonist:
Extensor Carpi Radialis Longus and Brevis
Extensor Carpi Ulnaris
Extensor Digitorum

Antagonist:
Flexor Carpi Radialis
Flexor Carpi Ulnaris
Flexor Digitorum Superficialis

Question 9

Abduction (agonist & antagonistic pairs)

Answer 9

Agonist:
Flexor Carpi Radialis
Extensor Carpi Radialis Longus and Brevis

Antagonist:
Flexor Carpi Ulnaris
Extensor Carpi Ulnaris

Question 10

Adduction (agonist & antagonistic pairs)

Answer 10

Agonist:
Flexor Carpi Ulnaris
Extensor Carpi Ulnaris

Antagonist:
Flexor Carpi Radialis
Extensor Carpi Radialis Longus and Brevis