Brainscape's Knowledge GenomeTM

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


See full index

MSK Exam 1 > UE & Back Muscle Actions > Flashcards

UE & Back Muscle Actions Flashcards

1
Q

Muscles that retract the scapula

A
  • Trapezius
  • Rhomboid Minor and Major
  • Levator Scapulae
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Muscles that elevate the scapula

A
  • Trapezius (superior part)
  • Rhomboid Minor and Major
  • Levator Scapulae
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Muscles that extend the humerus

A
  • Latissimus dorsi
  • Pectoralis Major (sternocostal head extends the flexed humerus)
  • Deltoid (spinal part)
  • Triceps Brachii
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Muscles that adduct the humerus

A
  • Latissimus dorsi
  • Pectoralis Major
  • Subscapularis
  • Teres Major
  • Coracobrachialis
  • Triceps Brachii
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Muscles that medially (internally) rotate the humerus

A
  • Latissimus dorsi
  • Pectoralis Major
  • Deltoid (clavicular part)
  • Subscapularis
  • Teres Major
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Muscles that rotate the glenoid cavity superiorly

A
  • Trapezius
  • Serratus Anterior
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Muscles that depress the scapula

A
  • Trapezius (inferior part)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Muscles that rotate the face away

A
  • Trapezius (unilaterally, if scapula is fixed)
  • Semispinalis Capitis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Muscles that rotate the face towards

A
  • Splenius Capitus and Cervicis (unilaterally)
  • Rectus Capitis Posterior Major
  • Obliquus Capitis Inferior
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Muscles that laterally flex the neck

A
  • Trapezius (unilaterally, if scapula is fixed)
  • Levator Scapulae (unilaterally, if scapula is fixed)
  • Splenius Capitus and Cervicis (unilaterally)
  • Iliocostalis Cervicis (unilaterally)
  • Longissimius Cervicis (unilaterally)
  • Spinalis Cervicis and Capitis (unilaterally)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Muscles that extend the neck

A
  • Trapezius (bilaterally, if scapula is fixed)
  • Levator Scapulae (bilaterally, if scapula is fixed)
  • Splenius Capitus and Cervicis (bilaterally)
  • Iliocostalis Cervicis (bilaterally)
  • Longissimus Cervicis (bilaterally)
  • Spinalis Cervicis and Capitis (bilaterally)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Muscles that rotate the glenoid cavity inferiorly

A
  • Latissimus dorsi
  • Rhomboid Minor and Major
  • Levator Scapulae
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Muscles that maintain erect posture

A
  • Iliocostalis Lumborum and Thoracis (bilaterally)
  • Longissimus Thoracis (bilaterally)
  • Spinalis Thoracis (bilaterally)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Muscles that extend the vertebral column

A
  • Iliocostalis Lumborum and Thoracis (bilaterally)
  • Longissimus Thoracis (bilaterally)
  • Spinalis Thoracis (bilaterally)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Muscles that laterally flex the vertebral column

A
  • Iliocostalis Lumborum and Thoracis (unilaterally)
  • Longissimus Thoracis (unilaterally)
  • Spinalis Thoracis (unilaterally)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Muscles that extend the head

A
  • Semispinalis Capitis
  • Rectus Capitis Posterior Major and Minor
  • Obliquus Capitis Superior
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Muscles that extend the spine

A
  • Semispinalis Cervicis and Thoracis
  • Multifidus
  • Rotatores Longus and Brevis
  • Interspinalis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Muscles that rotate spine away

A
  • Semispinalis Cervicis and Thoracis
  • Multifidus
  • Rotatores Longus and Brevis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Muscles that are involved in proprioception

A
  • Serratus Posterior Superior and Inferior
  • Rotatores Longus and Brevis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Muscles that flex the humerus

A
  • Pectoralis Major (clavicular head)
  • Deltoid (clavicular part)
  • Biceps Brachii
  • Coracobrachialis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Muscles that protract the scapula

A
  • Serratus Anterior
22
Q

Muscles that stabilize the scapula

A
  • Pectoralis Minor (stabilizes scapula by depression and protraction)
  • Serratus Anterior (stabilizes scapula against thoracic wall)
23
Q

Muscles that laterally (externally) rotate the humerus

A
  • Deltoid (spinal part)
  • Infraspinatus and Teres Minor
24
Q

Muscles that abduct the humerus

A
  • Deltoid (acromial part)
  • Supraspinatus
25
Q

Muscles that hold humeral head in glenoid cavity

A
  • Subscapularis
  • Supraspinatus
  • Infraspinatus and Teres Minor
26
Q

Muscles that flex forearm

A
  • Biceps Brachii (flexes supine forearm)
  • Brachialis
  • Pronator Teres
  • Flexor Digitorum Superficialis
  • Brachioradialis (most force mid-pronation)
27
Q

Muscles that supinate the forearm

A
  • Biceps Brachii
  • Supinator
28
Q

Muscles that resist shoulder dislocation

A
  • Biceps Brachii (short head)
  • Triceps Brachii (long head)
29
Q

Muscles that pronate forearm

A
  • Pronator Teres
  • Pronator Quadratus
30
Q

Muscles that flex hand at wrist

A
  • Flexor Carpi Radialis
  • Palmaris Longus
  • Flexor Carpi Ulnaris
  • Flexor Digitorum Superficialis
  • Flexor Digitorum Profundus
  • Flexor Pollicis Longus
31
Q

Muscles that abduct hand at wrist (radial flexion)

A
  • Flexor Carpi Radialis
  • Extensor Carpi Radialis Longus and Brevis
  • Abductor Pollicis Longus
  • Extensor Pollicis Brevis and Longus
32
Q

Muscles that adduct hand at wrist (ulnar flexion)

A
  • Flexor Carpi Ulnaris
  • Extensor Carpi Ulnaris
33
Q

Muscles that flex MCP joint (digits 2-5)

A
  • Flexor Digitorum Superficialis
  • Flexor Digitorum Profundus
  • Extensor Digitorum
34
Q

Muscles that flex PIP joint (digits 2-5)

A
  • Flexor Digitorum Superficialis
  • Flexor Digitorum Profundus
  • Extensor Digitorum
35
Q

Muscles that flex DIP joint (digits 2-5)

A
  • Flexor Digitorum Profundus
  • Extensor Digitorum
36
Q

Muscles that extend hand at wrist

A
  • Extensor Carpi Radialis Longus and Brevis
  • Extensor Digitorum
  • Extensor Carpi Ulnaris
  • Extensor Indicis
37
Q

Muscles that abduct pollex (radial flexion)

A
  • Abductor Pollicis Longus and Brevis
38
Q

Muscles that flex pollex

A
  • Flexor Pollicis Brevis
39
Q

Muscles that adduct pollex

A
  • Adductor Pollicis
40
Q

Actions of - Extensor Indicis

A
  • Extend hand at wrist
  • Extend index finger (2nd digit)
41
Q

Actions of Extensor Indicis

A
  • Extend hand at wrist
  • Extend index finger (2nd digit)
42
Q

Muscles that extend pollex

A
  • Extensor Pollicis Brevis and Longus
43
Q

What is the one action of Opponens Pollicis?

A

Oppose pollex

44
Q

What is the one action of Abductor Digiti Minimi?

A
  • Abduct 5th digit (pinky)
45
Q

What is the one action of Flexor Digiti Minimi Brevis?

A
  • Flex PIP joint of 5th digit (pinky)
46
Q

What is the one action of Opponens?

A
  • Oppose 5th digit (pinky)
47
Q

What muscles flex 1-5 of MCP joint?

A

1st, 2nd, 3rd and 4th Lumbricals

48
Q

What muscles extend 1-5 of PIP joint?

A

1st, 2nd, 3rd and 4th Lumbricals

49
Q

What muscles extend 1-5 of DIP joint?

A

1st, 2nd, 3rd and 4th Lumbricals

50
Q

What are the actions of the Dorsal Interossei (DAB)?

A
  • Abduct 2nd digit laterally, 3rd digit on both directions and 4th digit medially
  • Flex MCP joint at digits 2-4
  • Extend PIP joint at digits 2-4
  • Extend DIP joint at digits 2-4
51
Q

What are the actions of the Palmar Interossei (PAD)?

A
  • Adduct 2nd digit medially, 4th and 5th digits laterally
  • Flex MCP joint at digits 2, 4, 5
  • Extend PIP joint at digits 2, 4, 5
  • Extend DIP joint at digits 2, 4, 5

MSK Exam 1 (6 decks)

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