Muscles Flashcards
(81 cards)
1
Q
Action of Orbicularis Oculi
A
Closes eye
2
Q
Action of Occipitofrontalis
A
Elevate eyebrows & wrinkle forehead skin. Retract scalp w/occipital belly
3
Q
Action of Zygomaticus Major
A
Elevates corner of mouth
4
Q
Action of Orbicularis Oris
A
Purses lips
5
Q
Action of Masseter
A
Elevates jaw
6
Q
Action of Superior Rectus
A
Elevates & medially rotates eye
7
Q
Action of Inferior Rectus
A
Depresses and medially rotates eye
8
Q
Action of Medial Rectus
A
Medially moves eye
9
Q
Action of Lateral Rectus
A
Moves eye laterally
10
Q
Action of Superior Oblique
A
Depresses and laterally rotates eye
11
Q
Action of Inferior Oblique
A
Elevates and laterally rotates eye
12
Q
Action of Sternocleidomastoid
A
Flexes neck
13
Q
Action of Pectoralis major
A
Flexes arm
14
Q
Action of pectoralis minor
A
Protracts and rotates scapula inferiorly
15
Q
Action of external intercostal(s)
A
Elevates ribs
16
Q
Action of intternal intercostal(s)
A
Depresses ribs
17
Q
Action of rectus abdominus
A
Flexes vertebral column
18
Q
Action of trapezius
A
Stabilize and move scapula
19
Q
Action of Latissimus dorsi
A
Extends arm
20
Q
Action of splenius capitus
A
Extends neck
21
Q
Action of Erector Spinae group
A
Extends vertebral column
22
Q
Action of teres major*
A
Pulls anterior surface of humerus medially towards trunk (internal rotation)
23
Q
Action of rhomboids*
A
Scapular retraction around scapulothoracic joint
24
Q
Action of infraspinatus
A
Laterally rotates arm
25
Action of supraspinatus
Abducts arm
26
Action of teres minor
Laterally rotates arm (synergist to infraspinatus)
27
Action of deltoid
Abducts arm
28
Action of biceps brachii
Flexes and supinates forearm
29
Action of brachialis
Flexes forearm
30
Action of triceps brachii
Extends forearm
31
Action of brachioradialis
Synergist in forearm extention
32
Action of extensor digitorum
Extends fingers
33
Action of flexor carpi ulnaris
Flexes wrist
34
Action of palmaris longus*
Wrist flexion & tensioning palmar aponeurosis; relevant for grip
35
Action of Iliopsoas
Thigh flexion
36
Action of gracilis*
Thigh flexion, adduction. Knee: leg flexion, leg internal rotation
37
Action or sartorius*
Synergist muscle (weak by itself)
Hip: flex, weakly abduct, laterally rotate femur
Knee: flex leg, when flexed, medially rotate leg
38
Action tensor fasciae latae*
Internally rotate and abduct hip
Works w/gluteus medius and minimus
Works w/IT band & gluteus maximus to abduct hip
Works with rectus femoris for hip flexion
39
Action of quadriceps femoris group
Extends the knee
40
Action of glutes*
Abduction & extension of thigh.
| Some also assis abduction, external rotation and internal rotation of thigh
41
Action of hamstring group
Flexes knee
42
Action of gastronemius
Plantar flexion
43
Action of fibularis longus
Plantar flexion and eversion
44
Action of tibialis anterior
Dorsiflexion
45
Neck muscles
```
Diagastric
1)anterior belly
2)posterior belly
3)Insertion - intermediate tendon, hyoid bone
Mylohyoid
Thyrohyoid
Sternocleidomastoid
Sternohyoid
Sternothyroid
```
46
Head muscles
```
Occipitofrontalis
Temporalis
Orbicularis Oculi
Orbicularis Oris
Zygomaticus Major
Masseter
```
47
Eye muscles
```
Superior rectus
Interior rectus
Medial rectus
Lateral rectus
Inferior oblique
Superior oblique
```
48
Anterior trunk muscles
```
Pectoralis major
Pectoralis minor
Serratus anterior
External intercostals
Internal intercostals
Rectus abdominus
External oblique
Internal oblique
Tenasverse abdominus
1) Linea alba (structure, not muscle
2) Diaphragm
```
49
Posterior trunk muscles
```
Trapezius
Latissimus dorsi
Rhomboids major and minor
Splenius capitis*
Levitator scapulae
Teres major
```
50
Erector spinae muscles
Spinalis
Longissimus
Iliocostals
51
Rotator cuff muscles
Subscapularis
Infraspinatus
Supraspinatus
Teres minor
52
Shoulder arm muscles
```
Deltoid
Biceps brachii
1) Long head
2) Short head
Brachialis
Triceps brachii
1) Long head
2) Lateral head
3) Medial head
```
53
Forearm muscles
```
Brachioradialis
Extensor digitorum
Extensor carpi ulnaris
Flexor carpi ulnaris
Palmaris longus
Flexor carpi radialis
Pronator teres
```
54
Hip & Thigh muscles, anterior
```
Iliopsoas
1) Iliacus
2) Psoas Major
Adductor Longus
Gracilis
Sartorius
Tensor fasciae latae
Iliotibial Tract/Band (not muscle - structure)
Quadraceps Femoris group
1) Rectus femoris
2) Vastus Lateralis
3) Vastus Medialis
4) Vastus Intermedius
```
55
Hips & Thigh muscles, posterior
```
Gluteus maximus
Gluteus medius
Adductor magnus
Hamstring group
1) Biceps femoris
2) Semitendenosus
3) Semimembranosus
```
56
Leg muscles
```
Gastrocnemius
1) Lateral head
2) Medial head
Soleus
Fibularis longus
Extensor digitorum longus
Tibialis Anterior
```
57
Origin & insertion of pectoralis major
I: greater tubercle of humerus
O: sternal end of clavicle, sternum, and cartilage of ribs 1-6
58
Origin and insertion of rectus abdominis
O: pubic crest & symphysis
I: xiphoid process and costal cartilage of ribs 5-7
59
Origin and insertion of pectoralis minor
O: ribs 3-5
I: coracoid process of scapula
60
Origin and insertion of trapezius
O: occipital bone, spines of C7 and throracic vertebre
I: acromion and spine of scapula, lateral clavicle
61
Origin and insertin of Latissimus dorsi
O: lower six thoracic vertebre via thoracolumbar fascia, lumbar vertebre, iliac crest
I: intertubercular sulcus of humerus
62
Origin and Insertion of Infraspinatus
O: infraspinous fossa of scapula
I: greater tubercle of humerus
63
Origin andninsertion of supraspinatus
O: supraspinous fossa of scapula
I: greater tubercle of humerus
64
Origin & insertion of teres minor
O: lateral border of scapula
I: greater tubercle of humerus
65
Origin & Insertion of deltoid
O: lateral third of clavicle, acromion and scapular spine
I: deltoid tuberosity of humerus
66
Origins and insertion of Biceps brachii long head and short head
Long head O: supraglenoid tubercle
Short head O: posterior shaft of humerus
Both I: radial tuberosity
67
Origins and insertion of triceps brachi
Long head O: infraglenoid tubercle of scapula
Lateral head O: posterior shaft of humerus
Medial head O: posterior shaft of humerus
All I: olecranon of ulna
68
Origin and insertion of brachioradialis
O: distal humerus
I: styloid process of radius
69
Iliopsoas origins and insertion
Iliacus O: iliac fossa
Psoas major O: lumbar vertebre and T12
Both insertion: lesser trochanter of femur
70
Origin and insertion of Adductor longus
O: pubis near pubic symphysis
I: linea aspera
71
Origin and insertion of gracilis
O: pubis
I: medial aspect of tibia
72
Origin and insertion of sartorius
O: anterior superior iliac spine
I: medial aspect of proximal tibia
73
Origin and insertion of tensor fasciae latae
O: anterior aspect of iliac crest and anterior superior iliac spine
I: iliotibial tract
74
Origin and insertion of rectus femoris
O: anterior inferior iliac spine
I: patella and tibial tuberosity via patellar ligament
75
Origin and insertion of vastus lateralis
O: greater trochanter of femur
I: patella and tibial tuberosity via patellar ligament
76
Origin and insertion of vastus medialis
O: linea aspera of femur
I: patella and tibial tuberosity via patellar ligament
77
Origin and insertion of gluteus medius
O: ilium
I: greater trochanter of femur
78
Origin and insertion of gluteus maximus
O: ilium sacrum and coccyx
I: gluteal tuberosity of femur
79
Origin and insertions of hamstring group
All O: ischial tuberosity
Biceps femoris I: lateral condyle of tibia
Semitendonosus I: medial aspect of tibia
Semimembranosus I: medial condyle of tibia
80
Origins and insertion of gastrocnemius
Lateral head O: lateral condyle of femur
Medial head O: medial condyle of femur
Both I: calcaneus of calcaneal tendon
81
Origin and insertion of tibialis anterior
O: lateral condyle and tibial shaft
I:medial cuneiform and first metatarsal bone
