Question 1

Which nerves provide innervation to the muscles of the thenar eminence of the hand?

Accepted Answer

A) median and radial 
B) ulnar and axillary 
C) median and ulnar 
D) musculocutaneous and radial 
A) median and radial 
B) ulnar and axillary 
C) median and ulnar 
D) musculocutaneous and radial

Question 2

Which are the attachments of the abductor pollicis brevis?

Accepted Answer

A) flexor retinaculum,scaphoid,and trapezium to the metacarpal of the thumb 
B) flexor retinaculum,scaphoid,and trapezium to the proximal phalanx of the thumb 
C) flexor retinaculum,scaphoid,and trapezium to the distal phalanx of the thumb 
D) extensor retinaculum,scaphoid,and trapezium to the proximal phalanx of the thumb 
A) flexor retinaculum,scaphoid,and trapezium to the metacarpal of the thumb 
B) flexor retinaculum,scaphoid,and trapezium to the proximal phalanx of the thumb 
C) flexor retinaculum,scaphoid,and trapezium to the distal phalanx of the thumb 
D) extensor retinaculum,scaphoid,and trapezium to the proximal phalanx of the thumb

Question 3

What are the intrinsic hand muscles of the central compartment?

Accepted Answer

A) abductor digiti minimi manus,flexor digiti minimi manus,and opponens digiti minimi 
B) abductor pollicis brevis,flexor pollicis brevis,and opponens pollicis 
C) adductor pollicis,lumbricals manus,palmar interossei,and dorsal interossei manus 
D) abductor digiti minimi pedis,flexor digiti minimi pedis,and opponens digiti minimi 
A) abductor digiti minimi manus,flexor digiti minimi manus,and opponens digiti minimi 
B) abductor pollicis brevis,flexor pollicis brevis,and opponens pollicis 
C) adductor pollicis,lumbricals manus,palmar interossei,and dorsal interossei manus 
D) abductor digiti minimi pedis,flexor digiti minimi pedis,and opponens digiti minimi

Question 4

How many lumbricals manus muscles are there in each hand?

Accepted Answer

A) 1 
B) 3 
C) 4 
D) 5 
A) 1 
B) 3 
C) 4 
D) 5

Question 5

Which is an eccentric function of the lumbricals manus?

Accepted Answer

A) restrains/slows flexion of fingers two through five at the metacarpophalangeal joint 
B) restrains/slows extension of fingers two through five at the metacarpophalangeal joint 
C) restrains/slows extension of the hand at the wrist joint 
D) restrains/slows abduction of fingers two through five at the metacarpophalangeal joint 
A) restrains/slows flexion of fingers two through five at the metacarpophalangeal joint 
B) restrains/slows extension of fingers two through five at the metacarpophalangeal joint 
C) restrains/slows extension of the hand at the wrist joint 
D) restrains/slows abduction of fingers two through five at the metacarpophalangeal joint

Question 6

What nerve(s)innervates the palmaris brevis?

Accepted Answer

A) median 
B) ulnar 
C) radial 
D) a and b 
A) median 
B) ulnar 
C) radial 
D) a and b

Question 7

Which is an action of the dorsal interossei manus at the metacarpophalangeal joint?

Accepted Answer

A) adduction of fingers two,three,and four 
B) abduction of fingers two,three,and four 
C) medial rotation of fingers two,three,and four 
D) abduction of fingers three,four,and five 
A) adduction of fingers two,three,and four 
B) abduction of fingers two,three,and four 
C) medial rotation of fingers two,three,and four 
D) abduction of fingers three,four,and five

Question 8

Which is an action of the opponens digiti minimi?

Accepted Answer

A) opposition of the little finger (finger number five)at the carpometacarpal joint 
B) flexion of the hand at the wrist joint 
C) extension of the little finger (finger number five)at the metacarpophalangeal joint 
D) medial rotation of the thumb at the carpometacarpal joint 
A) opposition of the little finger (finger number five)at the carpometacarpal joint 
B) flexion of the hand at the wrist joint 
C) extension of the little finger (finger number five)at the metacarpophalangeal joint 
D) medial rotation of the thumb at the carpometacarpal joint

Question 9

Which is an action of the lumbricals manus?

Accepted Answer

A) flexion of fingers two through five at the metacarpophalangeal joint 
B) flexion of the hand at the wrist joint 
C) extension of the hand at the wrist joint 
D) abduction of fingers two through five at the metacarpophalangeal joint 
A) flexion of fingers two through five at the metacarpophalangeal joint 
B) flexion of the hand at the wrist joint 
C) extension of the hand at the wrist joint 
D) abduction of fingers two through five at the metacarpophalangeal joint

Question 10

All three intrinsic hand muscles of the thenar eminence move the

Accepted Answer

A) thumb (finger number one). 
B) index finger (finger number two). 
C) ring finger (finger number four). 
D) little finger (finger number five). 
A) thumb (finger number one). 
B) index finger (finger number two). 
C) ring finger (finger number four). 
D) little finger (finger number five).

Question 11

Which is true?

Accepted Answer

A) all three thenar muscles move the little finger (finger number five) 
B) all three thenar muscles move the thumb 
C) all three thenar muscles move fingers two through five 
D) none of the above 
A) all three thenar muscles move the little finger (finger number five) 
B) all three thenar muscles move the thumb 
C) all three thenar muscles move fingers two through five 
D) none of the above

Question 12

If a muscle crosses the metacarpophalangeal and/or interphalangeal joints of the fingers anteriorly,what will its action be of the fingers?

Accepted Answer

A) flexion 
B) extension 
C) abduction 
D) adduction 
A) flexion 
B) extension 
C) abduction 
D) adduction

Question 13

All three intrinsic hand muscles of the hypothenar eminence move the

Accepted Answer

A) thumb (finger number one). 
B) index finger (finger number two). 
C) ring finger (finger number four). 
D) little finger (finger number five). 
A) thumb (finger number one). 
B) index finger (finger number two). 
C) ring finger (finger number four). 
D) little finger (finger number five).

Question 14

Which is an action of the palmaris brevis?

Accepted Answer

A) flexion of the hand at the wrist joint 
B) flexion of the thumb at the carpometacarpal joint 
C) wrinkles the skin of the palm 
D) extension of the fingers at the metacarpophalangeal joint 
A) flexion of the hand at the wrist joint 
B) flexion of the thumb at the carpometacarpal joint 
C) wrinkles the skin of the palm 
D) extension of the fingers at the metacarpophalangeal joint

Question 15

Which nerves provide innervation to the intrinsic muscles of the hand?

Accepted Answer

A) median and radial 
B) ulnar and axillary 
C) median and ulnar 
D) musculocutaneous and radial 
A) median and radial 
B) ulnar and axillary 
C) median and ulnar 
D) musculocutaneous and radial

Question 16

The palmaris brevis overlies

Accepted Answer

A) the dorsal surface of the hand. 
B) the muscles of the thenar eminence of the hand. 
C) the muscles of the hypothenar eminence of the hand. 
D) the muscles of the central compartment of the hand. 
A) the dorsal surface of the hand. 
B) the muscles of the thenar eminence of the hand. 
C) the muscles of the hypothenar eminence of the hand. 
D) the muscles of the central compartment of the hand.

Question 17

Which muscle attaches onto the metacarpal of the thumb?

Accepted Answer

A) abductor pollicis brevis 
B) flexor pollicis brevis 
C) opponens pollicis 
D) abductor digiti minimi manus 
A) abductor pollicis brevis 
B) flexor pollicis brevis 
C) opponens pollicis 
D) abductor digiti minimi manus

Question 18

Which are the attachments of the adductor pollicis?

Accepted Answer

A) metacarpal of fingers one through five to the proximal phalanx of fingers two,three,and four,on the side away from the center of the middle finger 
B) distal tendons of the flexor digitorum profundus to the distal tendons of the extensor digitorum (the dorsal digital expansion) 
C) metacarpal of fingers two,four,and five to the proximal phalanx of fingers two,four,and five on the "middle finger side" 
D) Third metacarpal to the thumb 
A) metacarpal of fingers one through five to the proximal phalanx of fingers two,three,and four,on the side away from the center of the middle finger 
B) distal tendons of the flexor digitorum profundus to the distal tendons of the extensor digitorum (the dorsal digital expansion) 
C) metacarpal of fingers two,four,and five to the proximal phalanx of fingers two,four,and five on the "middle finger side" 
D) Third metacarpal to the thumb

Question 19

Which are the attachments of the palmaris brevis?

Accepted Answer

A) medial epicondyle of the humerus (via the common flexor tendon)to the palm of the hand 
B) flexor retinaculum and the palmar aponeurosis to the dermis of the ulnar (medial)border of the hand 
C) flexor retinaculum and the palmar aponeurosis to the dermis of the radial (lateral)border of the hand 
D) lateral epicondyle of the humerus (via the common extensor tendon)to the palm of the hand 
A) medial epicondyle of the humerus (via the common flexor tendon)to the palm of the hand 
B) flexor retinaculum and the palmar aponeurosis to the dermis of the ulnar (medial)border of the hand 
C) flexor retinaculum and the palmar aponeurosis to the dermis of the radial (lateral)border of the hand 
D) lateral epicondyle of the humerus (via the common extensor tendon)to the palm of the hand

Question 20

If a muscle crosses the metacarpophalangeal and/or interphalangeal joints of the fingers posteriorly,what will its action be of the fingers?

Accepted Answer

A) flexion 
B) extension 
C) abduction 
D) adduction 
A) flexion 
B) extension 
C) abduction 
D) adduction

Which nerves provide innervation to the muscles of the thenar eminence of the hand?

Which are the attachments of the abductor pollicis brevis?

What are the intrinsic hand muscles of the central compartment?

How many lumbricals manus muscles are there in each hand?

Which is an eccentric function of the lumbricals manus?

What nerve(s)innervates the palmaris brevis?

Which is an action of the dorsal interossei manus at the metacarpophalangeal joint?

Which is an action of the opponens digiti minimi?

Which is an action of the lumbricals manus?

All three intrinsic hand muscles of the thenar eminence move the

Which is true?

If a muscle crosses the metacarpophalangeal and/or interphalangeal joints of the fingers anteriorly,what will its action be of the fingers?

All three intrinsic hand muscles of the hypothenar eminence move the

Which is an action of the palmaris brevis?

Which nerves provide innervation to the intrinsic muscles of the hand?

The palmaris brevis overlies

Which muscle attaches onto the metacarpal of the thumb?

Which are the attachments of the adductor pollicis?

Which are the attachments of the palmaris brevis?

If a muscle crosses the metacarpophalangeal and/or interphalangeal joints of the fingers posteriorly,what will its action be of the fingers?

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

Extrinsic 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 9: Intrinsic Muscles of the Finger Joints

Which nerves provide innervation to the muscles of the thenar eminence of the hand?

Which are the attachments of the abductor pollicis brevis?

What are the intrinsic hand muscles of the central compartment?

How many lumbricals manus muscles are there in each hand?

Which is an eccentric function of the lumbricals manus?

What nerve(s)innervates the palmaris brevis?

Which is an action of the dorsal interossei manus at the metacarpophalangeal joint?

Which is an action of the opponens digiti minimi?

Which is an action of the lumbricals manus?

All three intrinsic hand muscles of the thenar eminence move the

Which is true?

If a muscle crosses the metacarpophalangeal and/or interphalangeal joints of the fingers anteriorly,what will its action be of the fingers?

All three intrinsic hand muscles of the hypothenar eminence move the

Which is an action of the palmaris brevis?

Which nerves provide innervation to the intrinsic muscles of the hand?

The palmaris brevis overlies

Which muscle attaches onto the metacarpal of the thumb?

Which are the attachments of the adductor pollicis?

Which are the attachments of the palmaris brevis?

If a muscle crosses the metacarpophalangeal and/or interphalangeal joints of the fingers posteriorly,what will its action be of the fingers?

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

Extrinsic 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