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Bio 241 > Muscle Practical-Actions, Origins, Insertions > Flashcards

Muscle Practical-Actions, Origins, Insertions Flashcards

1
Q

Frontalis

A

action: raises eyebrows

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2
Q

Masseter

A

action: elevates mandible origin: zygomatic arch and maxilla insertion: ramus of mandible

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3
Q

occipitalis

A

action: pulls the scalp posteriorly

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4
Q

orbicularis oculi

A

action: closes eye

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5
Q

orbicularis oris

A

action: purses lips

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6
Q

sternocleidomastoid

A

action: flexion of head origin: manubrium of sternum and clavicle insertion: mastoid process

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7
Q

temporalis

A

action: elevates mandible

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8
Q

zygomaticus major

A

action: elevates and draws angle of mouth laterally

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9
Q

diaphragm

A

Action: prime mover of inspiration Origin: Inferior internal surface of rib cage and sternum Insertion: Central tendon

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10
Q

rectus abdominis

A

Action: compresses abdomen Origin: Pubic bone Insertion: ribs and xiphoid process

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11
Q

external oblique

A

Action: lateral flexion and rotation of vertebral column

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12
Q

internal oblique

A

action: lateral flexion and rotation of vertebral column

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13
Q

transversus abdominis

A

action: compression of abdomen

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14
Q

Pectoralis major

A

Origin: Clavicle, sternum, cartilages of ribs Insertion: Intertubercular sulcus of humerus Action: Adduction of shoulder

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15
Q

Pectoralis minor

A

Origin: Ribs Insertion: Coracoid process of scapula Action: Protracts scapula

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16
Q

Latissimus dorsi

A

Origin Spinous processes of thoracic vertebrae, iliac crest and ribs. Insertion: Intertubercular sulcus of humerus Action: Adducts arm

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17
Q

Serratus anterior

A

Origin: Ribs Insertion: Vertebral border of scapula Action: Protracts scapula

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18
Q

Teres Major

A

Origin: Inferior angle of scapula Insertion: Intertubercular sulcus of humerus Action: Adducts arm

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19
Q

External intercostals

A

Action: Elevate rib cage

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20
Q

Rhomboid major

A

Action: Retracts scapula

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21
Q

Trapezius

A

Origin: Occipital bone and spinous processes of thoracic vertebrae Insertion: Clavicle and acromion process of scapula Action: Retracts scapula

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22
Q

Erector spinae

A

straightens back

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23
Q

Deltoid

A

Origin: Clavicle and acromion process of scapula Insertion: Deltoid tuberosity of humerus Action: abduction of arm

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24
Q

Supraspinatus

A

Origin: Supraspinous fossa of scapula Insertion: Greater tubercle of humerus Action: Abduction of arm

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25
Infraspinatus
Origin: Infraspinous fossa of scapula Insertion: Greater tubercle of humerus Action: Adducts arm
26
Teres minor
Origin: Lateral margin of scapula Insertion: Greater tubercle of humerus Action: Adducts arm
27
Subscapularis
Origin: Subscapular fossa of scapula Insertion: Lesser tubercle of humerus Action: Medially rotates arm
28
Triceps brachii
Origin: Infraglenoid tubercle and posterior humerus Insertion: Olecranon process of ulna Action: Extends forearm
29
Biceps brachii
Origin: Supraglenoid tubercle and coracoid process of scapula Insertion: Radial tuberosity Action: Flexes forearm
30
Brachialis
Action: Flexes forearm
31
Brachioradialis
Action: Flexes forearm
32
Flexor carpi radialis
Action: Flexor of wrist
33
Flexor carpi ulnaris
Action: flexor of wrist
34
Palmaris longus
Action: Flexes wrist
35
Extensor digitorum
Action: Extends wrist
36
Extensor carpi radialis brevis
Action: Extends wrist
37
Extensor carpi radialis longus
Action: Extends wrist
38
Extensor carpi ulnaris
Action: Extends wrist
39
Coracobrachialis
Action: Flexion of humerus
40
Tensor fascia latae
Action: abducts thigh
41
Rectus femoris
Origin: iliac spine Insertion: tibial tuberosity Action: Extends leg
42
Vastus lateralis
Origin: Greater trochanter, linea aspera Insertion: tibial tuberosity Action: Extends leg
43
Vastus medialis
Origin: linea aspera, intertrochanteric line Insertion: tibial tuberosity Action: Extends leg
44
Sartorius
Origin: Anterior superior iliac spine Insertion: Medial & proximal tibia Action: Flexes thigh
45
Gracilis
flexes thigh
46
Adductor longus
Adducts thigh
47
Gluteus maximus
Origin: Iliac crest, sacrum, and coccyx Insertion: Gluteal tuberosity of femur and iliotibial tract Action: Extends thigh
48
Gluteus medius
Abducts thigh
49
Gluteus minimus
Abducts thigh
50
Adductor magnus
Adducts thigh
51
Semimembranosus
Origin: Ischial tuberosity Insertion: Medial condyle of tibia Action: Extends thigh
52
Semitendinosus
Origin: Ischial tuberosity Insertion: Tibial shaft Action: Extends thigh
53
Biceps Femoris
Origin: Ischial tuberosity Insertion: Head of fibula Action: Extends thigh
54
Iliacus
Flexes thigh
55
Psoas Major
Flexes thigh
56
Pectineus
Adducts thigh
57
Iliotibial tract IT band
extends thigh
58
Gastrocnemius
Origin: Medial and lateral condyles of femur Insertion: Calcaneus Action: Plantar flexion of foot
59
Soleus
Action: Plantar flexion of foot Origin: Proximal posterior tibia and fibula Insertion: Calcaneus
60
Fibularis longus
Plantar flexion of foot
61
Tibialis anterior
Origin: Lateral condyle of tibia Insertion: 1st metatarsal Action: Dorsiflexion
62
Flexor digitorum longus
plantar flexion
63
Extensor digitorum longus
Extends toes 2-5
64
Fibularis brevis
Plantar flexes
65
action: elevates mandible origin: zygomatic arch and maxilla insertion: ramus of mandible
Masseter
66
action: flexion of head origin: manubrium of sternum and clavicle insertion: mastoid process
sternocleidomastoid
67
Action: prime mover of inspiration Origin: Inferior internal surface of rib cage and sternum Insertion: Central tendon
diaphragm
68
Action: compresses abdomen Origin: Pubic bone Insertion: ribs and xiphoid process
rectus abdominis
69
Origin: Clavicle, sternum, cartilages of ribs Insertion: Intertubercular sulcus of humerus Action: Adduction of shoulder
Pectoralis major
70
Origin: Ribs Insertion: Coracoid process of scapula Action: Protracts scapula
Pectoralis minor
71
Origin Spinous processes of thoracic vertebrae, iliac crest and ribs. Insertion: Intertubercular sulcus of humerus Action: Adducts arm
Latissimus dorsi
72
Origin: Ribs Insertion: Vertebral border of scapula Action: Protracts scapula
Serratus anterior
73
Origin: Inferior angle of scapula Insertion: Intertubercular sulcus of humerus Action: Adducts arm
Teres Major
74
Origin: Occipital bone and spinous processes of thoracic vertebrae Insertion: Clavicle and acromion process of scapula Action: Retracts scapula
Trapezius
75
Origin: Clavicle and acromion process of scapula Insertion: Deltoid tuberosity of humerus Action: abduction of arm
Deltoid
76
Origin: Supraspinous fossa of scapula Insertion: Greater tubercle of humerus Action: Abduction of arm
Supraspinatus
77
Origin: Infraspinous fossa of scapula Insertion: Greater tubercle of humerus Action: Adducts arm
Infraspinatus
78
Origin: Lateral margin of scapula Insertion: Greater tubercle of humerus Action: Adducts arm
Teres minor
79
Origin: Subscapular fossa of scapula Insertion: Lesser tubercle of humerus Action: Medially rotates arm
Subscapularis
80
Origin: Infraglenoid tubercle and posterior humerus Insertion: Olecranon process of ulna Action: Extends forearm
Triceps brachii
81
Origin: Supraglenoid tubercle and coracoid process of scapula Insertion: Radial tuberosity Action: Flexes forearm
Biceps brachii
82
Origin: iliac spine Insertion: tibial tuberosity Action: Extends leg
Rectus femoris
83
Origin: Greater trochanter, linea aspera Insertion: tibial tuberosity Action: Extends leg
Vastus lateralis
84
Origin: linea aspera, intertrochanteric line Insertion: tibial tuberosity Action: Extends leg
Vastus medialis
85
Origin: Anterior superior iliac spine Insertion: Medial & proximal tibia Action: Flexes thigh
Sartorius
86
Origin: Iliac crest, sacrum, and coccyx Insertion: Gluteal tuberosity of femur and iliotibial tract Action: Extends thigh
Gluteus maximus
87
Origin: Ischial tuberosity Insertion: Medial condyle of tibia Action: Extends thigh
Semimembranosus
88
Origin: Ischial tuberosity Insertion: Tibial shaft Action: Extends thigh
Semitendinosus
89
Origin: Ischial tuberosity Insertion: Head of fibula Action: Extends thigh
Biceps Femoris
90
Origin: Medial and lateral condyles of femur Insertion: Calcaneus Action: Plantar flexion of foot
Gastrocnemius
91
Action: Plantar flexion of foot Origin: Proximal posterior tibia and fibula Insertion: Calcaneus
Soleus
92
Origin: Lateral condyle of tibia Insertion: 1st metatarsal Action: Dorsiflexion
Tibialis anterior

Bio 241 (10 decks)

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