Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy 1 > Intrinsic muscles of hand > Flashcards

Intrinsic muscles of hand Flashcards

1
Q

What are the three groups of intrinsic muscles of the hand

A
  1. thenar group
  2. hypothenar group
  3. central group
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Where is the thenar group located

A

laterally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Where is the hypothenar group located

A

medially

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the 4 thenar muscles

A
  1. abductor policis brevis
  2. flexor policis brevis
  3. opponens policis
  4. adductor pollicis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the 4 hypothenar muscles

A
  1. abductor digiti minimi
  2. flexor digiti minimi brevis
  3. opponens digiti minimi
  4. palmaris brevis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the origin of abductor pollicis brevis

A

retinaculum flexorum and tubercles of scaphoid and trapezium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the abductor pollicis also called

A

superficial thenar muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the insertion of the adbuctor pollicis brevis

A

lateral aspect of the base of proximal phalanx of thumb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Whast is the action of the abductor pollicis brevis

A

abducts thumb, assist opposition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what is the nerve of the abductor pollicis brevis

A

median nerve c8 and t1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the origin of the flexor pollicis brevis

A

retinaculum flexorum and tubercles of scaphoiod and trapezium (SAME AS ABDUCTOR)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

WHere is the flexor pollicis brevis

A

laying underneath the abductor pollicis brevis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the insertion of the flexor pollicis brevis

A

lateral aspect of the base od the proximal phalanx of thumb (SAME AS ABDUCTOR)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the action of the flexor pollicis brevis

A

flexes the thumb at metacarpophalangeal joint, assists in opposition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the nerve of the flexor pollicis brevis

A

median nerve c8 and T1 (SAME AS ABDUCTOR)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

WHat is the origin of the opponens pollicis

A

retinaculum flexorum and tubercles of trapezium

17
Q

Where is the opponens pollicis located

A

medial to felxor pollicis brevis

18
Q

What is the insertion of the opponens pollicis

A

lateral surgae of the first metacarpal bone

19
Q

What is the aciton of the opponens pollicis

A

opposition

20
Q

what is the nerve of the opponens pollicis

A

median nerve C8 and T1

21
Q

Whats is the origin of the Adductor pollicis

A

oblique head- bases of 2nd and 3rd metacarpals, capitate bones, transverse head- shaft, anterior surface of the 3rd metacarpal

22
Q

What is the insertion of the Adductor pollicis

A

lateral aspect of the base of the proximal phalanx of the thumb

23
Q

What is the action of the adductor pollicis

A

adduction

24
Q

what is the never of the adductor pollicis

A

ULNAR nerve C8 and T1

Anatomy 1 (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions