Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Biomechanics > Muscle chart quiz 1 > Flashcards

Muscle chart quiz 1 Flashcards

first 2 pages, upper extremity, deltoids and trap guaranteed (56 cards)

Start Studying
1
Q

trapezius origin

A

occipital protuberance, spinous process C2-T12

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

trapezius insertion

A
  • upper: lateral clavicle, acromion
  • middle: spine of scapula
  • lower: spine of scapular vertebral border
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

trapezius action

A
  • upper: scapular elevation, upward rotation and retraction, cervical extension, side bend (same), cervical rotation opposite side
  • middle: scapular retraction
  • lower: scapular depression, upward rotation, retraction
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

trapezius innervation

A

spinal accessory n., C3-4

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

latissimus dorsi origin

A

lumbodorsal fascia; iliac crest; inferior angle of scapula; ribs 9-12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

latissimus dorsi insertion

A

bicipital groove of humerus

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

latissimus dorsi action

A

shoulder extension, internal rotation, adduction

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

latissimus innervation

A

thoracodorsal n.

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

teres major origin

A

inferior angle of scapula (dorsal)

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

teres major insertion

A

bicipital groove of humerus

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

teres major action

A

shoulder extension, internal rotation, adduction

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

teres major innervation

A

lower subscapular n.

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

levator scapula origin

A

C1-C4 transverse process

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

levator scapula insertion

A

vertebral border of scapula

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

levator scapula action

A

scapular elevation

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

levator scapula innervation

A

dorsal scapular n., C3-4 n. to levator scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

rhomboids origin

A
  • major: spinous process T2-T5
  • minor: spinous process C7-T1
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

rhomboids insertion

A

spine of scapula, vertebral border of scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

rhomboids action

A

scapular retraction and downward rotation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

rhomboids innervation

A

dorsal scapular n.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

deltoids origin

A
  • anterior: lateral third of clavicle
  • middle: lateral acromion
  • posterior: spine of scapula
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

deltoids insertion

A

deltoid tuberosity of humerus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

deltoids action

Study These Flashcards
A
  • anterior: shoulder flexion, horizontal adduction, internal rotation
  • middle: shoulder abduction
  • posterior: shoulder extension, horizontal abduction, external rotation
24
Q

deltoids innervation

25
coracobrachialis origin
coracoid process of scapula
26
coracobrachialis insertion
middle humeral shaft
27
coracobrachialis action
shoulder flexion and adduction
28
coracobrachialis innervation
musculocutaneous n.
29
supraspinatus origin
supraspinous fossa of scapula
30
supraspinatus insertion
greater tubercle of humerus
31
supraspinatus action
shoulder abduction - first 30°
32
supraspinatus innervation
suprascapular n.
33
infraspinatus origin
infraspinatus fossa of scapula
34
infraspinatus insertion
greater tubercle of humerus
35
infraspinatus action
shoulder extension and external rotation
36
infraspinatus innervation
suprascapular n.
37
teres minor origin
axillary border of scapula
38
teres minor insertion
greater tubercle of humerus
39
teres minor action
shoulder external rotation and extension
40
teres minor innervation
axillary n.
41
subscapularis origin
subscapular fossa of scapula
42
subscapularis insertion
lesser tubercle of humerus
43
subscapularis action
shoulder internal rotation
44
subscapularis innervation
upper and lower subscapular n.
45
pectoralis major origin
medial half of clavicle and sternum, upper 6 ribs cartilage
46
pectoralis major insertion
bicipital groove of humerus
47
pectoralis major action
- all: shoulder adduction, horizontal adduction, internal rotation - upper fibers: shoulder flexion - lower fibers: shoulder extension to neutral
48
pectoralis major innervation
medial and lateral pectoral n.
49
pectoralis minor origin
anterior 2-5 ribs
50
pectoralis minor insertion
coracoid process of scapula
51
pectoralis minor action
scapular protraction, depression, and downward rotation
52
pectoralis minor innervation
medial pectoral n.
53
subclavius origin
1st rib
54
subclavius insertion
lower surface of clavicle
55
subclavius action
clavicular depression
56
subclavius innervation
n. to subclavius

Biomechanics (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions