Question 1

The muscles of the anterior forearm are usually innervated by what nerve?

Accepted Answer

A) median nerve 
B) axillary nerve 
C) radial nerve 
D) ulnar nerve 
A) median nerve 
B) axillary nerve 
C) radial nerve 
D) ulnar nerve A

Question 2

What nerve innervates the extensor carpi radialis brevis?

Accepted Answer

A) median nerve 
B) axillary nerve 
C) radial nerve 
D) ulnar nerve 
A) median nerve 
B) axillary nerve 
C) radial nerve 
D) ulnar nerve C

Question 3

Which are the attachments of the extensor carpi radialis brevis?

Accepted Answer

A) lateral supracondylar ridge of the humerus to the styloid process of the radius 
B) medial epicondyle of the humerus (via the common flexor tendon)to the radial hand on the anterior side 
C) medial epicondyle of the humerus (via the common flexor tendon)to the radial hand on the posterior side 
D) lateral epicondyle of the humerus (via the common extensor tendon)to the radial hand on the posterior side 
A) lateral supracondylar ridge of the humerus to the styloid process of the radius 
B) medial epicondyle of the humerus (via the common flexor tendon)to the radial hand on the anterior side 
C) medial epicondyle of the humerus (via the common flexor tendon)to the radial hand on the posterior side 
D) lateral epicondyle of the humerus (via the common extensor tendon)to the radial hand on the posterior side D

Question 4

Which is an action of the flexor carpi radialis?

Accepted Answer

A) ulnar deviation (adduction)of the hand at the wrist joint 
B) extension of the hand at the wrist joint 
C) flexion of the hand at the wrist joint 
D) extension of the arm at the glenohumeral joint 
A) ulnar deviation (adduction)of the hand at the wrist joint 
B) extension of the hand at the wrist joint 
C) flexion of the hand at the wrist joint 
D) extension of the arm at the glenohumeral joint

Question 5

What are the three muscles of the "wrist flexor group"?

Accepted Answer

A) pronator teres,flexor carpi radialis,and flexor carpi ulnaris 
B) flexor carpi radialis,flexor carpi ulnaris,and palmaris longus 
C) flexor carpi radialis,extensor carpi radialis longus,and extensor carpi radialis brevis 
D) extensor carpi radialis longus,extensor carpi radialis brevis,and extensor carpi ulnaris 
A) pronator teres,flexor carpi radialis,and flexor carpi ulnaris 
B) flexor carpi radialis,flexor carpi ulnaris,and palmaris longus 
C) flexor carpi radialis,extensor carpi radialis longus,and extensor carpi radialis brevis 
D) extensor carpi radialis longus,extensor carpi radialis brevis,and extensor carpi ulnaris

Question 6

Which is an eccentric function of the extensor carpi radialis brevis?

Accepted Answer

A) restrains/slows ulnar deviation (adduction)of the hand at the wrist joint 
B) restrains/slows radial deviation (abduction)of the hand at the wrist joint 
C) restrains/slows extension of the hand at the wrist joint 
D) restrains/slows flexion of the arm at the glenohumeral joint 
A) restrains/slows ulnar deviation (adduction)of the hand at the wrist joint 
B) restrains/slows radial deviation (abduction)of the hand at the wrist joint 
C) restrains/slows extension of the hand at the wrist joint 
D) restrains/slows flexion of the arm at the glenohumeral joint

Question 7

Which muscles attach onto the lateral epicondyle of the humerus (via the common extensor tendon)?

Accepted Answer

A) flexor carpi radialis and flexor carpi ulnaris 
B) extensor carpi radialis longus,extensor carpi radialis brevis,and extensor carpi ulnaris 
C) extensor carpi radialis brevis and extensor carpi ulnaris 
D) pronator teres and pronator quadratus 
A) flexor carpi radialis and flexor carpi ulnaris 
B) extensor carpi radialis longus,extensor carpi radialis brevis,and extensor carpi ulnaris 
C) extensor carpi radialis brevis and extensor carpi ulnaris 
D) pronator teres and pronator quadratus

Question 8

All three muscles of the wrist flexor group can also do what action?

Accepted Answer

A) flexion of the arm at the glenohumeral joint 
B) flexion of the forearm at the elbow joint 
C) extension of the hand at the wrist joint 
D) pronation of the forearm at the radioulnar joints 
A) flexion of the arm at the glenohumeral joint 
B) flexion of the forearm at the elbow joint 
C) extension of the hand at the wrist joint 
D) pronation of the forearm at the radioulnar joints

Question 9

If a muscle crosses the wrist joint medially (on the ulnar side),what will its action be?

Accepted Answer

A) extension of the hand at the wrist joint 
B) flexion of the hand at the wrist joint 
C) radial deviation (abduction)of the hand at the wrist joint 
D) ulnar deviation (adduction)of the hand at the wrist joint 
A) extension of the hand at the wrist joint 
B) flexion of the hand at the wrist joint 
C) radial deviation (abduction)of the hand at the wrist joint 
D) ulnar deviation (adduction)of the hand at the wrist joint

Question 10

Which of the following are actions of the flexor carpi radialis?

Accepted Answer

A) flexion and radial deviation (abduction)of the hand at the wrist joint 
B) extension and radial deviation (abduction)of the hand at the wrist joint 
C) flexion and ulnar deviation (adduction)of the hand at the wrist joint 
D) flexion and extension of the forearm at the elbow joint 
A) flexion and radial deviation (abduction)of the hand at the wrist joint 
B) extension and radial deviation (abduction)of the hand at the wrist joint 
C) flexion and ulnar deviation (adduction)of the hand at the wrist joint 
D) flexion and extension of the forearm at the elbow joint

Question 11

Which are actions of the flexor carpi ulnaris?

Accepted Answer

A) flexion of the hand at the wrist joint and extension of the forearm at the elbow joint 
B) flexion and radial deviation (abduction)of the hand at the wrist joint 
C) flexion and ulnar deviation (adduction)of the hand at the wrist joint 
D) radial deviation (abduction)and ulnar deviation (adduction)of the hand at the wrist joint 
A) flexion of the hand at the wrist joint and extension of the forearm at the elbow joint 
B) flexion and radial deviation (abduction)of the hand at the wrist joint 
C) flexion and ulnar deviation (adduction)of the hand at the wrist joint 
D) radial deviation (abduction)and ulnar deviation (adduction)of the hand at the wrist joint

Question 12

If a muscle crosses the wrist joint anteriorly,what will its action be?

Accepted Answer

A) extension of the hand at the wrist joint 
B) flexion of the hand at the wrist joint 
C) radial deviation (abduction)of the hand at the wrist joint 
D) ulnar deviation (adduction)of the hand at the wrist joint 
A) extension of the hand at the wrist joint 
B) flexion of the hand at the wrist joint 
C) radial deviation (abduction)of the hand at the wrist joint 
D) ulnar deviation (adduction)of the hand at the wrist joint

Question 13

Which muscles radially deviate (abduct)the hand at the wrist joint?

Accepted Answer

A) flexor carpi radialis,extensor carpi radialis longus,and extensor carpi radialis brevis 
B) flexor carpi radialis,flexor carpi ulnaris,and palmaris longus 
C) flexor carpi ulnaris and extensor carpi ulnaris 
D) extensor carpi ulnaris,extensor carpi radialis longus,and extensor carpi radialis brevis 
A) flexor carpi radialis,extensor carpi radialis longus,and extensor carpi radialis brevis 
B) flexor carpi radialis,flexor carpi ulnaris,and palmaris longus 
C) flexor carpi ulnaris and extensor carpi ulnaris 
D) extensor carpi ulnaris,extensor carpi radialis longus,and extensor carpi radialis brevis

Question 14

What are the names of the two heads of the extensor carpi ulnaris?

Accepted Answer

A) medial head and lateral head 
B) long head and short head 
C) radial head and ulnar head 
D) ulnar head and humeral head 
A) medial head and lateral head 
B) long head and short head 
C) radial head and ulnar head 
D) ulnar head and humeral head

Question 15

Which is an eccentric function of the flexor carpi ulnaris?

Accepted Answer

A) restrains/slows extension of the hand at the wrist joint 
B) restrains/slows flexion of the hand at the wrist joint 
C) restrains/slows ulnar deviation (adduction)of the hand at the wrist joint 
D) restrains/slows flexion of the arm at the glenohumeral joint 
A) restrains/slows extension of the hand at the wrist joint 
B) restrains/slows flexion of the hand at the wrist joint 
C) restrains/slows ulnar deviation (adduction)of the hand at the wrist joint 
D) restrains/slows flexion of the arm at the glenohumeral joint

Question 16

What nerve innervates the flexor carpi ulnaris?

Accepted Answer

A) median nerve 
B) axillary nerve 
C) radial nerve 
D) ulnar nerve 
A) median nerve 
B) axillary nerve 
C) radial nerve 
D) ulnar nerve

Question 17

If a muscle crosses the wrist joint laterally (radially),what will its eccentric function be?

Accepted Answer

A) restrains/slows extension of the hand at the wrist joint 
B) restrains/slows flexion of the hand at the wrist joint 
C) restrains/slows radial deviation (abduction)of the hand at the wrist joint 
D) restrains/slows ulnar deviation (adduction)of the hand at the wrist joint 
A) restrains/slows extension of the hand at the wrist joint 
B) restrains/slows flexion of the hand at the wrist joint 
C) restrains/slows radial deviation (abduction)of the hand at the wrist joint 
D) restrains/slows ulnar deviation (adduction)of the hand at the wrist joint

Question 18

Which are actions of the extensor carpi radialis longus?

Accepted Answer

A) extension and ulnar deviation (adduction)of the hand at the wrist joint 
B) flexion and radial deviation (abduction)of the hand at the wrist joint 
C) extension of the hand at the wrist joint and flexion of the arm at the glenohumeral joint 
D) extension and radial deviation (abduction)of the hand at the wrist joint 
A) extension and ulnar deviation (adduction)of the hand at the wrist joint 
B) flexion and radial deviation (abduction)of the hand at the wrist joint 
C) extension of the hand at the wrist joint and flexion of the arm at the glenohumeral joint 
D) extension and radial deviation (abduction)of the hand at the wrist joint

Question 19

Which are the attachments of the extensor carpi radialis longus?

Accepted Answer

A) medial epicondyle of the humerus (via the common flexor tendon)to the radial hand on the anterior side 
B) medial supracondylar ridge of the humerus to the radial hand on the posterior side 
C) lateral supracondylar ridge of the humerus to the radial hand on the posterior side 
D) anterior ulna to the ulnar hand on the posterior side 
A) medial epicondyle of the humerus (via the common flexor tendon)to the radial hand on the anterior side 
B) medial supracondylar ridge of the humerus to the radial hand on the posterior side 
C) lateral supracondylar ridge of the humerus to the radial hand on the posterior side 
D) anterior ulna to the ulnar hand on the posterior side

Question 20

Which muscle of the wrist flexor group is commonly absent?

Accepted Answer

A) flexor carpi radialis 
B) palmaris longus 
C) flexor carpi ulnaris 
D) pronator teres 
A) flexor carpi radialis 
B) palmaris longus 
C) flexor carpi ulnaris 
D) pronator teres

The muscles of the anterior forearm are usually innervated by what nerve?

What nerve innervates the extensor carpi radialis brevis?

Which are the attachments of the extensor carpi radialis brevis?

Which is an action of the flexor carpi radialis?

What are the three muscles of the "wrist flexor group"?

Which is an eccentric function of the extensor carpi radialis brevis?

Which muscles attach onto the lateral epicondyle of the humerus (via the common extensor tendon)?

All three muscles of the wrist flexor group can also do what action?

If a muscle crosses the wrist joint medially (on the ulnar side),what will its action be?

Which of the following are actions of the flexor carpi radialis?

Which are actions of the flexor carpi ulnaris?

If a muscle crosses the wrist joint anteriorly,what will its action be?

Which muscles radially deviate (abduct)the hand at the wrist joint?

What are the names of the two heads of the extensor carpi ulnaris?

Which is an eccentric function of the flexor carpi ulnaris?

What nerve innervates the flexor carpi ulnaris?

If a muscle crosses the wrist joint laterally (radially),what will its eccentric function be?

Which are actions of the extensor carpi radialis longus?

Which are the attachments of the extensor carpi radialis longus?

Which muscle of the wrist flexor group is commonly absent?

Basic Kinesiology Terminology

The Skeletal System

How Muscles Function

Muscles of the Shoulder Girdle Joints

Muscles of the Glenohumeral Joint

Muscles of the Elbow and Radioulnar Joints

Extrinsic Muscles of the Finger Joints

Intrinsic Muscles of the Finger Joints

Muscles of the Spinal Joints

Muscles of the Rib Cage Joints

Muscles of the Temporomandibular Joints

Muscles of Facial Expression

Muscles of the Hip Joint

Muscles of the Knee Joint

Muscles of the Ankle and Subtalar Joints

Extrinsic Muscles of the Toe Joints

Intrinsic Muscles of the Toe Joints

Functional Groups of Muscles

Filters

Exam 7: Muscles of the Wrist Joint

The muscles of the anterior forearm are usually innervated by what nerve?

What nerve innervates the extensor carpi radialis brevis?

Which are the attachments of the extensor carpi radialis brevis?

Which is an action of the flexor carpi radialis?

What are the three muscles of the "wrist flexor group"?

Which is an eccentric function of the extensor carpi radialis brevis?

Which muscles attach onto the lateral epicondyle of the humerus (via the common extensor tendon)?

All three muscles of the wrist flexor group can also do what action?

If a muscle crosses the wrist joint medially (on the ulnar side),what will its action be?

Which of the following are actions of the flexor carpi radialis?

Which are actions of the flexor carpi ulnaris?

If a muscle crosses the wrist joint anteriorly,what will its action be?

Which muscles radially deviate (abduct)the hand at the wrist joint?

What are the names of the two heads of the extensor carpi ulnaris?

Which is an eccentric function of the flexor carpi ulnaris?

What nerve innervates the flexor carpi ulnaris?

If a muscle crosses the wrist joint laterally (radially),what will its eccentric function be?

Which are actions of the extensor carpi radialis longus?

Which are the attachments of the extensor carpi radialis longus?

Which muscle of the wrist flexor group is commonly absent?

Basic Kinesiology Terminology

The Skeletal System

How Muscles Function

Muscles of the Shoulder Girdle Joints

Muscles of the Glenohumeral Joint

Muscles of the Elbow and Radioulnar Joints

Extrinsic Muscles of the Finger Joints

Intrinsic Muscles of the Finger Joints

Muscles of the Spinal Joints

Muscles of the Rib Cage Joints

Muscles of the Temporomandibular Joints

Muscles of Facial Expression

Muscles of the Hip Joint

Muscles of the Knee Joint

Muscles of the Ankle and Subtalar Joints

Extrinsic Muscles of the Toe Joints

Intrinsic Muscles of the Toe Joints

Functional Groups of Muscles

Filters