Anatomy (Muscles) Flashcards
1
Q
Name the origin point(s)
Sternocleidomastoid
A
- Sternum
- Clavicle
2
Q
Name the insertion point(s)
Sternocleidomastoid
A
Mastoid Process
3
Q
Name the functions
Sternocleidomastoid
A
Flex & rotate head side to side
4
Q
Name the muscle
A
Sternocleidomastoid
5
Q
Name the origin point(s)
Trapezius
A
- Back of skull
- Spinous process of the lower neck vertebra and all chest vertebrae
6
Q
Name the insertion point(s)
Trapezius
A
- Outer 1/3 of the clavicle
- Spine of scapula
7
Q
Name the functions
Trapezius
A
- Superior fibers elevate
- Middle fibers retract
- Interior fibers depress scapula
8
Q
Name the muscle
A
Trapezius
9
Q
Name the origin point(s)
Deltoid
A
- Lateral third of clavicle
- acromion process
- spine of scapula
10
Q
Name the insertion point(s)
Deltoid
A
Deltoid tuberosity of humerus
11
Q
Name the functions
Deltoid
A
- Anterior part: flexes
- Middle part: abducts arm
- Posterior part: extends
12
Q
Name the muscle
A
Deltoid
13
Q
Name the origin point(s)
Biceps Brachii
A
- Short head: top of coracoid process of scapula
- Long head: superaglenoid tubercle of scapula
14
Q
Name the insertion point(s)
Biceps Brachii
A
tuberosity of radius
15
Q
Name the functions
Biceps Brachii
A
- suprinates forearm
- flexes forearm when it is supine
16
Q
Name the muscle
A
Biceps Brachii
Green = short head
Red = long head
17
Q
Name the origin point(s)
Brachialis
A
distal half of anterior surface of humerus
18
Q
Name the insertion point(s)
Brachialis
A
coronoid procress and tuberosity of ulna
19
Q
Name the functions
Brachialis
A
major flexor of forearm
20
Q
Name the muscle
A
Brachialis
21
Q
Name the origin point(s)
Triceps Brachii
A
- Long head: infraglenoid tubercle of scapula
- Lateral head: posterior surface of humerus, superior to radial groove
- Medial head: posteriior surface of humerus, inferiro to radial groove
22
Q
Name the insertion point(s)
Triceps Brachii
A
proximal end of olecranon process of ulna
23
Q
Name the functions
Triceps Brachii
A
- Chief extensor of forearm
- Long head steadies head of abducted humerus
24
Q
Name the muscle
A
Triceps Brachii
Long head: red
Lateral head: yellow
Medial head: green
25
# Name the origin point(s)
Pectoralis Major
- **Sternum**
- **Clavicle**
26
# Name the insertion point(s)
Pectoralis Major
**Humerus**
27
# Name the functions
Pectoralis Major
- Shoulder flexion
- Horizontal shoulder flexion
- Upward diagonal flexion
- Downward diagonal flexion
28
# Name the muscle
Pectoralis Major
29
# Name the origin point(s)
Serratus Anterior
- Upper 8 or 9 **ribs**
30
# Name the insertion point(s)
Serratus Anterior
- medial border of **scapula**
31
# Name the functions
Serratus Anterior
- Protracts and stablizies scapula
- Assists in upward rotation
32
# Name the muscle
Serratus Anterior
| "Boxer's Muscle"
33
# Name the origin point(s)
Rectus Abdominis
**Pubic crest**
34
# Name the insertion point(s)
Rectus Abdominis
**Ribs**
35
# Name the functions
Rectus Abdominis
Bends forward at the waist
36
# Name the muscle
Rectus Abdominis
| "Abs"
37
# Name the origin point(s)
External Oblique
Lower **ribs**
38
# Name the insertion point(s)
External Oblique
- **abdomen**
- top 2/3 of **ilac crest**
- **pubis**
39
# Name the functions
External Oblique
Bends body to the side
40
# Name the muscle
External Oblique
41
# Name the origin point(s)
Teres Major
- inferior angle of **scapula**
42
# Name the insertion point(s)
Teres Major
intertubercular sulcus of **humerus**
43
# Name the functions
Teres Major
- Extendsarm at should joint
- Assists in adduction and medial rotation of arm at shoulder joint
44
# Name the origin point(s)
Teres Minor
- inerior lateral border of **scapula**
44
# Name the muscle
Teres Major
45
# Name the insertion point(s)
Teres Minor
- greater tubercle of **humerus**
46
# Name the functions
Teres Minor
- lateral rotation
- extend & addubuction arm at shoulder joint
47
# Name the muscle
Teres Minor
48
# Name the origin point(s)
Infraspinatus
- inferior to spine of **scapula**
49
# Name the insertion point(s)
Infraspinatus
- laterally on the head of the **humerus**
50
# Name the functions
Infraspinatus
Rotates arm laterally
51
# Name the muscle
Infraspinatus
52
# Name the origin point(s)
Rhomboid
- Minor: **Cervical vertebrae** (C7) to **Thoracic vertebrae** (T1)
- Major: T2 - T5
53
# Name the insertion point(s)
Rhomboid
- medial border of **scapular**
54
# Name the functions
Rhomboid
- Scapular retraction
- Scapular downward rotation
55
# Name the muscle
Rhomboid
56
# Name the origin point(s)
Latissimus Dorsi
- **Spinous process** of the lowest 11 **vertebrae**
- **sacrum**
- back end of the **iliac crest**
57
# Name the insertion point(s)
Latissimus Dorsi
- Bicpital groove (**humerus**)
58
# Name the functions
Latissimus Dorsi
- Pulling the arm backward
59
# Name the muscle
Latissimus Dorsi
60
# Name the origin point(s)
Erector Spinae
- **Sacrum**
- Lower **lumbar vertebrae**
- Posterior end of the **iliac crest**
61
# Name the insertion point(s)
Erector Spinae
- **Ribs**
- **Spinous** and **Traverse processes**
- **cervical vertebrae**
62
# Name the functions
Erector Spinae
- Strengthen the spine
- Hold the body erect
- Arch the back
- Extend the neck
63
# Name the muscle
Erector Spinae
64
# Name the origin point(s)
Rectus Femoris
| (Quadracep)
- Front end of the **iliac crest**
65
# Name the insertion point(s)
Rectus Femoris
| (Quadracep)
- Top of **patella**
- Top of **tibia**
66
# Name the functions
Rectus Femoris
| (Quardracep)
- Main flexor of the thigh at the hip joint
67
# Name the muscle
Rectus Femoris
| (Quadracep)
68
# Name the origin point(s)
Vastus Lateralis
| (Quadracep)
- Head of **femur**
69
# Name the insertion point(s)
Vastus Lateralis
| (Quadracep)
- **Patella**
70
# Name the functions
Vastus Lateralis
| (Quadracep)
- Extend lower leg
71
# Name the muscle
Vastus Lateralis
| (Quadracep)
72
# Name the origin point(s)
Vastus Intermedius
| (Quadracep)
- Ant and lateral surfaces of the shaft of the **femur**
73
# Name the insertion point(s)
Vastus Intermedius
| (Quadracept
- **Patella**
74
# Name the functions
Vastus Intermedius
| (Quadracep)
- Extends the knee
75
# Name the muscle
Vastus Intermedius
| (Quadracep)
76
# Name the origin point(s)
Vastus Medialis
| (Quadracep)
- Medial side of **femur**
77
# Name the insertion point(s)
Vastus Medialis
| (Quardracep)
- **Patella**
78
# Name the functions
Vastus Medialis
- Extend lower leg
79
