Question 1

What nerve innervates the extensor pollicis longus?

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 2

Which are eccentric functions of the flexor digitorum superficialis?

Accepted Answer

A) restrains/slows extension of fingers two through five at the metacarpophalangeal and proximal interphalangeal joints and extension of the hand at the wrist joint 
B) restrains/slows flexion of fingers two through five at the metacarpophalangeal and proximal interphalangeal joints and flexion of the hand at the wrist joint 
C) restrains/slows flexion of the thumb at the carpometacarpal,metacarpophalangeal,and interphalangeal joints and flexion of the hand at the wrist joint 
D) restrains/slows flexion of fingers two through five at the metacarpophalangeal and proximal interphalangeal joints and extension of the hand at the wrist joint 
A) restrains/slows extension of fingers two through five at the metacarpophalangeal and proximal interphalangeal joints and extension of the hand at the wrist joint 
B) restrains/slows flexion of fingers two through five at the metacarpophalangeal and proximal interphalangeal joints and flexion of the hand at the wrist joint 
C) restrains/slows flexion of the thumb at the carpometacarpal,metacarpophalangeal,and interphalangeal joints and flexion of the hand at the wrist joint 
D) restrains/slows flexion of fingers two through five at the metacarpophalangeal and proximal interphalangeal joints and extension of the hand at the wrist joint A

Question 3

If a muscle crosses the metacarpophalangeal and interphalangeal joints of fingers two through five on the palmar (anterior)side with a vertical orientation to its fibers,what will its action most likely be?

Accepted Answer

A) flexion of the fingers at these joints 
B) extension of the fingers at these joints 
C) abduction of the fingers at these joints 
D) adduction of the fingers at these joints 
A) flexion of the fingers at these joints 
B) extension of the fingers at these joints 
C) abduction of the fingers at these joints 
D) adduction of the fingers at these joints A

Question 4

Tenosynovitis of which two muscles can cause de Quervain's disease?

Accepted Answer

A) abductor pollicis longus and extensor pollicis longus 
B) abductor pollicis longus and extensor pollicis brevis 
C) extensor pollicis longus and extensor indicis 
D) abductor pollicis longus and abductor pollicis brevis 
A) abductor pollicis longus and extensor pollicis longus 
B) abductor pollicis longus and extensor pollicis brevis 
C) extensor pollicis longus and extensor indicis 
D) abductor pollicis longus and abductor pollicis brevis

Question 5

Which fingers of the hand have a separate muscle whose function it is to create extension of just that finger?

Accepted Answer

A) index finger,middle finger,and ring finger (fingers two through four) 
B) thumb,index finger,and middle finger (fingers one through three) 
C) thumb,index finger,and little finger (fingers one,two,and five) 
D) thumb,index finger,and ring finger (fingers one,two,and four) 
A) index finger,middle finger,and ring finger (fingers two through four) 
B) thumb,index finger,and middle finger (fingers one through three) 
C) thumb,index finger,and little finger (fingers one,two,and five) 
D) thumb,index finger,and ring finger (fingers one,two,and four)

Question 6

What nerve innervates the "deep distal four group" of muscles?

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 7

Which is an action of the extensor indicis?

Accepted Answer

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

Question 8

Which are actions of the extensor digitorum?

Accepted Answer

A) flexion of fingers two through five at the metacarpophalangeal and proximal and distal interphalangeal joints and extension of the hand at the wrist joint 
B) extension of fingers two through five at the metacarpophalangeal and proximal and distal interphalangeal joints and radial deviation (abduction)of the hand at the wrist joint 
C) flexion of the forearm at the elbow joint and flexion of the hand at the wrist joint 
D) extension of fingers two through five at the metacarpophalangeal and proximal and distal interphalangeal joints and extension of the hand at the wrist joint 
A) flexion of fingers two through five at the metacarpophalangeal and proximal and distal interphalangeal joints and extension of the hand at the wrist joint 
B) extension of fingers two through five at the metacarpophalangeal and proximal and distal interphalangeal joints and radial deviation (abduction)of the hand at the wrist joint 
C) flexion of the forearm at the elbow joint and flexion of the hand at the wrist joint 
D) extension of fingers two through five at the metacarpophalangeal and proximal and distal interphalangeal joints and extension of the hand at the wrist joint

Question 9

Which one of the following muscles "points" the index finger?

Accepted Answer

A) extensor digiti minimi 
B) extensor indicis 
C) extensor digitorum longus 
D) extensor digitorum brevis 
A) extensor digiti minimi 
B) extensor indicis 
C) extensor digitorum longus 
D) extensor digitorum brevis

Question 10

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

Question 11

What nerve innervates the extensor digiti minimi?

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 12

What nerve innervates the extensor digitorum?

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 13

Which is an action of the abductor pollicis longus?

Accepted Answer

A) abduction of the thumb at the carpometacarpal joint 
B) adduction of the thumb at the carpometacarpal joint 
C) flexion of the thumb at the carpometacarpal joint 
D) flexion of the hand at the wrist joint 
A) abduction of the thumb at the carpometacarpal joint 
B) adduction of the thumb at the carpometacarpal joint 
C) flexion of the thumb at the carpometacarpal joint 
D) flexion of the hand at the wrist joint

Question 14

Which is an eccentric function of the extensor pollicis brevis?

Accepted Answer

A) restrains/slows flexion of the thumb at the carpometacarpal and metacarpophalangeal joints 
B) restrains/slows extension of the thumb at the carpometacarpal and metacarpophalangeal joints 
C) restrains/slows radial deviation (abduction)of the hand at the wrist joint 
D) restrains/slows flexion of the forearm at the elbow joint 
A) restrains/slows flexion of the thumb at the carpometacarpal and metacarpophalangeal joints 
B) restrains/slows extension of the thumb at the carpometacarpal and metacarpophalangeal joints 
C) restrains/slows radial deviation (abduction)of the hand at the wrist joint 
D) restrains/slows flexion of the forearm at the elbow joint

Question 15

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

Accepted Answer

A) flexor digitorum superficialis and flexor digitorum profundus 
B) flexor digitorum superficialis and extensor digitorum 
C) extensor digitorum and extensor digiti minimi 
D) extensor digiti minimi and flexor digitorum profundus 
A) flexor digitorum superficialis and flexor digitorum profundus 
B) flexor digitorum superficialis and extensor digitorum 
C) extensor digitorum and extensor digiti minimi 
D) extensor digiti minimi and flexor digitorum profundus

Question 16

Which difference between the flexor digitorum superficialis and the flexor digitorum profundus is true?

Accepted Answer

A) the flexor digitorum superficialis can flex the fingers at the distal interphalangeal joint;the flexor digitorum profundus cannot 
B) the flexor digitorum profundus can flex the forearm at the elbow joint;the flexor digitorum superficialis cannot 
C) the flexor digitorum superficialis can only flex fingers two through four;the flexor digitorum profundus can flex fingers two through five 
D) the flexor digitorum profundus can flex the fingers at the distal interphalangeal joint;the flexor digitorum superficialis cannot 
A) the flexor digitorum superficialis can flex the fingers at the distal interphalangeal joint;the flexor digitorum profundus cannot 
B) the flexor digitorum profundus can flex the forearm at the elbow joint;the flexor digitorum superficialis cannot 
C) the flexor digitorum superficialis can only flex fingers two through four;the flexor digitorum profundus can flex fingers two through five 
D) the flexor digitorum profundus can flex the fingers at the distal interphalangeal joint;the flexor digitorum superficialis cannot

Question 17

Where does the dorsal digital expansion attach?

Accepted Answer

A) proximal and distal phalanges of fingers two through five 
B) proximal and middle phalanges of fingers two through five 
C) middle and distal phalanges of fingers two through five 
D) proximal phalanges of fingers two through five only 
A) proximal and distal phalanges of fingers two through five 
B) proximal and middle phalanges of fingers two through five 
C) middle and distal phalanges of fingers two through five 
D) proximal phalanges of fingers two through five only

Question 18

What nerve(s)innervates the flexor digitorum profundus?

Accepted Answer

A) median nerve 
B) ulnar nerve 
C) axillary nerve 
D) a and b 
A) median nerve 
B) ulnar nerve 
C) axillary nerve 
D) a and b

Question 19

Irritation and inflammation of the lateral epicondyle of the humerus and/or the common extensor tendon is usually called

Accepted Answer

A) lateral epicondylitis,lateral epicondylosis,or tennis elbow. 
B) lateral epicondylitis,lateral epicondylosis,or golfer's elbow. 
C) medial epicondylitis,medial epicondylosis,or pitcher's shoulder. 
D) medial epicondylitis,medial epicondylosis,or golfer's elbow. 
A) lateral epicondylitis,lateral epicondylosis,or tennis elbow. 
B) lateral epicondylitis,lateral epicondylosis,or golfer's elbow. 
C) medial epicondylitis,medial epicondylosis,or pitcher's shoulder. 
D) medial epicondylitis,medial epicondylosis,or golfer's elbow.

Question 20

Which is an eccentric function of the extensor digiti minimi?

Accepted Answer

A) restrains/slows extension of the little finger (finger number five)at the metacarpophalangeal and proximal and distal interphalangeal joints 
B) restrains/slows flexion of the little finger (finger number five)at the metacarpophalangeal and proximal and distal interphalangeal joints 
C) restrains/slows extension of the hand at the wrist joint 
D) restrains/slows flexion of the thumb at the carpometacarpal,metacarpophalangeal,and interphalangeal joints 
A) restrains/slows extension of the little finger (finger number five)at the metacarpophalangeal and proximal and distal interphalangeal joints 
B) restrains/slows flexion of the little finger (finger number five)at the metacarpophalangeal and proximal and distal interphalangeal joints 
C) restrains/slows extension of the hand at the wrist joint 
D) restrains/slows flexion of the thumb at the carpometacarpal,metacarpophalangeal,and interphalangeal joints

What nerve innervates the extensor pollicis longus?

Which are eccentric functions of the flexor digitorum superficialis?

If a muscle crosses the metacarpophalangeal and interphalangeal joints of fingers two through five on the palmar (anterior)side with a vertical orientation to its fibers,what will its action most likely be?

Tenosynovitis of which two muscles can cause de Quervain's disease?

Which fingers of the hand have a separate muscle whose function it is to create extension of just that finger?

What nerve innervates the "deep distal four group" of muscles?

Which is an action of the extensor indicis?

Which are actions of the extensor digitorum?

Which one of the following muscles "points" the index finger?

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

What nerve innervates the extensor digiti minimi?

What nerve innervates the extensor digitorum?

Which is an action of the abductor pollicis longus?

Which is an eccentric function of the extensor pollicis brevis?

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

Which difference between the flexor digitorum superficialis and the flexor digitorum profundus is true?

Where does the dorsal digital expansion attach?

What nerve(s)innervates the flexor digitorum profundus?

Irritation and inflammation of the lateral epicondyle of the humerus and/or the common extensor tendon is usually called

Which is an eccentric function of the extensor digiti minimi?

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

Muscles of the Wrist Joint

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 8: Extrinsic Muscles of the Finger Joints

What nerve innervates the extensor pollicis longus?

Which are eccentric functions of the flexor digitorum superficialis?

If a muscle crosses the metacarpophalangeal and interphalangeal joints of fingers two through five on the palmar (anterior)side with a vertical orientation to its fibers,what will its action most likely be?

Tenosynovitis of which two muscles can cause de Quervain's disease?

Which fingers of the hand have a separate muscle whose function it is to create extension of just that finger?

What nerve innervates the "deep distal four group" of muscles?

Which is an action of the extensor indicis?

Which are actions of the extensor digitorum?

Which one of the following muscles "points" the index finger?

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

What nerve innervates the extensor digiti minimi?

What nerve innervates the extensor digitorum?

Which is an action of the abductor pollicis longus?

Which is an eccentric function of the extensor pollicis brevis?

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

Which difference between the flexor digitorum superficialis and the flexor digitorum profundus is true?

Where does the dorsal digital expansion attach?

What nerve(s)innervates the flexor digitorum profundus?

Irritation and inflammation of the lateral epicondyle of the humerus and/or the common extensor tendon is usually called

Which is an eccentric function of the extensor digiti minimi?

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

Muscles of the Wrist Joint

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