Muscles Acting on the Carpus

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Last updated 6:59 PM on 9/4/26

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15 Terms

1

New cards

<p>Q: The origin of the radial extensor is the ……. </p><p>A. Medial epicondyle of humerus </p><p>B. Lateral epicondyle of humerus </p><p>C. Olecranon </p><p>D. Accessory carpal bone</p>

Q: The origin of the radial extensor is the …….

A. Medial epicondyle of humerus

B. Lateral epicondyle of humerus

C. Olecranon

D. Accessory carpal bone

B. Lateral epicondyle of humerus

<p>B. Lateral epicondyle of humerus</p>

2

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<p>Q: The insertion of the radial extensor is proximal on the 3rd ……. </p><p>A. Metacarpal bone </p><p>B. Carpal bone </p><p>C. Phalanx </p><p>D. Digit</p>

Q: The insertion of the radial extensor is proximal on the 3rd …….

A. Metacarpal bone

B. Carpal bone

C. Phalanx

D. Digit

A. Metacarpal bone

<p>A. Metacarpal bone</p>

3

New cards

<p>Q: The function of the radial extensor is as an extensor and …… of the carpal joint. </p><p>A. Flexor </p><p>B. Fixator </p><p>C. Abductor </p><p>D. Adductor</p>

Q: The function of the radial extensor is as an extensor and …… of the carpal joint.

A. Flexor

B. Fixator

C. Abductor

D. Adductor

B. Fixator

<p>B. Fixator</p>

4

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<p>Q: The origin of the ulnar extensor is the lateral epicondyle of the ……. </p><p>A. Radius </p><p>B. Ulna </p><p>C. Humerus </p><p>D. Scapula</p>

Q: The origin of the ulnar extensor is the lateral epicondyle of the …….

A. Radius

B. Ulna

C. Humerus

D. Scapula

C. Humerus

<p>C. Humerus</p>

5

New cards

<p>Q: The insertion of the ulnar extensor includes the 5th and 4th metacarpal bones and the ……. </p><p>A. Accessory carpal bone </p><p>B. Radial tuberosity </p><p>C. Olecranon </p><p>D. Greater tubercle</p>

Q: The insertion of the ulnar extensor includes the 5th and 4th metacarpal bones and the …….

A. Accessory carpal bone

B. Radial tuberosity

C. Olecranon

D. Greater tubercle

A. Accessory carpal bone

<p>A. Accessory carpal bone</p>

6

New cards

<p>Q: The function of the ulnar extensor is …… of the carpal joint. </p><p>A. Flexor </p><p>B. Fixator </p><p>C. Extensor </p><p>D. Adductor</p>

Q: The function of the ulnar extensor is …… of the carpal joint.

A. Flexor

B. Fixator

C. Extensor

D. Adductor

C. Extensor

<p>C. Extensor</p>

7

New cards

<p>Q: The origin of the radial flexor is the medial epicondyle of the …….
A. Humerus
B. Radius
C. Ulna
D. Scapula</p>

Q: The origin of the radial flexor is the medial epicondyle of the ……. A. Humerus B. Radius C. Ulna D. Scapula

A. Humerus

<p>A. Humerus</p>

8

New cards

<p>Q: The insertion of the radial flexor is the 2nd and 3rd ……. </p><p>A. Metacarpal bones </p><p>B. Carpal bones </p><p>C. Phalanges </p><p>D. Ribs</p>

Q: The insertion of the radial flexor is the 2nd and 3rd …….

A. Metacarpal bones

B. Carpal bones

C. Phalanges

D. Ribs

A. Metacarpal bones

<p>A. Metacarpal bones</p>

9

New cards

<p>Q: The function of the radial flexor is …… of the carpal joint. </p><p>A. Flexor </p><p>B. Fixator </p><p>C. Extensor </p><p>D. Adductor</p>

Q: The function of the radial flexor is …… of the carpal joint.

A. Flexor

B. Fixator

C. Extensor

D. Adductor

A. Flexor

<p>A. Flexor</p>

10

New cards

Q: In the Ulnar Flexor, how many heads does it have?

A. 2

B. 3

C. 4

D. 5

A. 2 (Humeral and Ulnar Head)

11

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<p>Q: What is the origin of the Humeral head of the Ulnar flexor? </p><p>A. Medial epicondyle of humerus </p><p>B. Lateral epicondyle of humerus </p><p>C. Olecranon </p><p>D. Proximal on 3rd metacarpal bone</p>

Q: What is the origin of the Humeral head of the Ulnar flexor?

A. Medial epicondyle of humerus

B. Lateral epicondyle of humerus

C. Olecranon

D. Proximal on 3rd metacarpal bone

A. Medial epicondyle of humerus

<p>A. Medial epicondyle of humerus</p>

12

New cards

<p>Q: What is the insertion of the Humeral head of the Ulnar flexor? </p><p>A. Accessory carpal bone </p><p>B. 5th and 4th metacarpal bones </p><p>C. 2nd and 3rd metacarpal bones </p><p>D. Proximal on 3rd metacarpal bone</p>

Q: What is the insertion of the Humeral head of the Ulnar flexor?

A. Accessory carpal bone

B. 5th and 4th metacarpal bones

C. 2nd and 3rd metacarpal bones

D. Proximal on 3rd metacarpal bone

A. Accessory carpal bone

<p>A. Accessory carpal bone</p>

13

New cards

<p>Q: What is the origin of the Ulnar head of the Ulnar flexor? </p><p>A. Olecranon </p><p>B. Medial epicondyle of humerus </p><p>C. Lateral epicondyle of humerus </p><p>D. 2nd and 3rd metacarpal bones</p>

Q: What is the origin of the Ulnar head of the Ulnar flexor?

A. Olecranon

B. Medial epicondyle of humerus

C. Lateral epicondyle of humerus

D. 2nd and 3rd metacarpal bones

A. Olecranon

<p>A. Olecranon</p>

14

New cards

<p>Q: What is the insertion of the Ulnar head of the Ulnar flexor? </p><p>A. Accessory carpal bone </p><p>B. 2nd and 3rd metacarpal bones </p><p>C. Olecranon </p><p>D. Medial epicondyle of humerus</p>

Q: What is the insertion of the Ulnar head of the Ulnar flexor?

A. Accessory carpal bone

B. 2nd and 3rd metacarpal bones

C. Olecranon

D. Medial epicondyle of humerus

A. Accessory carpal bone

<p>A. Accessory carpal bone</p>

15

New cards

<p>Q: What is the function of the Ulnar flexor? </p><p>A. Flexor of carpal joint </p><p>B. Extensor of carpal joint </p><p>C. Extensor and fixator of carpal joint </p><p>D. Flexor of shoulder joint</p>

Q: What is the function of the Ulnar flexor?

A. Flexor of carpal joint

B. Extensor of carpal joint

C. Extensor and fixator of carpal joint

D. Flexor of shoulder joint

A. Flexor of carpal joint

<p>A. Flexor of carpal joint</p>