Anatomy Flashcards

(81 cards)

1
Q

Origin of Sternocleidomastoid

A

Manubrium of
sternum, clavicle

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2
Q

Insertion of Sternocleidomastoid

A

Mastoid process of
temporal bone

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3
Q

Action of Sternocleidomastoid

A

Flexion of the neck when
both heads contract
together and rotation to the
shoulder of opposite side if
independent

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4
Q

Origin of Pectoralis Major

A

Clavicle, sternum,
costal cartilages of ribs
2-6

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5
Q

Insertion of Pectoralis Major

A

Humerus

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6
Q

Action of Pectoralis Major

A

Flexes, adducts, and medially
rotates the arm at the
shoulder

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7
Q

Origin of Deltoid

A

Acromion and spinous
process of scapula;
clavicle

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8
Q

Insertion of Deltoid

A

Deltoid tuberosity of
humerus

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9
Q

Action of Deltoid

A

Abduction, flexion,
extension, abduction, and
medial and lateral rotation of
the arm at the shoulder

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10
Q

Origin of Trapezius

A

Occipital bone;
spinous processes of
C7-T12

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11
Q

Insertion of Trapezius

A

Acromion and spinous
process of scapula,
clavicle

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12
Q

Action of Trapezius

A

Extends the head, rotates
and adducts scapula; elevates
or depresses the scapula

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13
Q

Origin of Latissmus Dorsi

A

Lower vertebrae, ribs
1-9, iliac crest

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14
Q

Insertion of Latissmus Dorsi

A

Humerus

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15
Q

Action of Latissmus Dorsi

A

Extends, adducts, and
medially rotates shoulder

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16
Q

Origin of Rectus Abdominis

A

Pubic crest and
symphysis

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17
Q

Insertion of Rectus Abdominis

A

Xiphoid process,
costal cartilages of ribs
5-7

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18
Q

Action of Rectus Abdominis

A

Flexes and rotates vertebral
column; depresses ribs;
compresses abdomen

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19
Q

Origin of External Oblique

A

Ribs 4-12

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20
Q

Insertion of External Oblique

A

Linea alba, pubic crest,
iliac crest

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21
Q

Action of External Oblique

A

Flexes and rotates vertebral
column; depresses ribs;
compresses abdomen

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22
Q

Origin of Triceps Brachii

A

Humerus

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23
Q

Insertion of Triceps Brachii

A

Olecranon process of
ulna

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24
Q

Action of Triceps Brachii

A

Prime mover of elbow
extension

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25
Origin of Biceps Brachii
Coracoid process and glenoid fossa of scapula
26
Insertion of Biceps Brachii
Radial tuberosity
27
Action of Biceps Brachii
Elbow flexion; forearm supination
28
Origin of Brachialis
Distal humerus
29
Insertion of Brachialis
Coronoid process of ulna
30
Action of Brachialis
Prime mover of elbow flexion
31
Origin of Gluteus Maximus
Ilium, sacrum, coccyx
32
Insertion of Gluteus Maximus
Gluteal tuberosity of femur, iliotibial tract
33
Action of Gluteus Maximus
Extend the thigh when it is elevated; laterally rotates and abducts the thigh
34
Origin of Gluteus Medius
Ilium
35
Insertion of Gluteus Medius
Greater trochanter of femur
36
Action of Gluteus Medius
Abducts, medially rotates the thigh
37
Origin of Sartorius
Anterior superior iliac spine
38
Insertion of Sartorius
Medial side of proximal tibia
39
Action of Sartorius
Flexes, abducts, and laterally rotates the thigh; flexes thigh at the knee
40
Origin of Rectus Femoris
Anterior inferior iliac spine, acetabulum
41
Insertion of Rectus Femoris
Tibial tuberosity, patella
42
Action of Rectus Femoris
Extends the leg at the knee and flexes the thigh at the hip
43
Origin of Vastus Lateralis
Greater trochanter of femur
44
Insertion of Vastus Lateralis
Tibial tuberosity, patella
45
Action of Vastus Lateralis
Prime mover of knee extension
46
Origin of Vastus Medialis
Femur
47
Insertion of Vastus Medialis
Tibial tuberosity, patella
48
Action of Vastus Medialis
Prime mover of knee extension
49
Origin of Vastus Intermedius
Femur
50
Insertion of Vastus Intermedius
Tibial tuberosity, patella
51
Action of Vastus Intermedius
Prime mover of knee extension
52
Origin of Biceps Femoris
Ischial tuberosity, femur
53
Insertion of Biceps Femoris
Head of fibula, lateral condyle of tibia
54
Action of Biceps Femoris
Extends the thigh at the hip; laterally rotates the leg at the knee, flexes knee
55
Origin of Semitendinosus
Ischial tuberosity
56
Insertion of Semitendinosus
Medial side of proximal tibia
57
Action of Semitendinosus
Extends the thigh at the hip; medially rotates the leg at the knee, flexes knee
58
Origin of Semimembranosus
Ischial tuberosity
59
Insertion of Semimembranosus
Medial condyle of tibia, lateral condyle of femur
60
Action of Semimembranosus
Extends the thigh at the hip; medially rotates the leg at the knee, flexes knee
61
Origin of Gracilis
Pubis
62
Insertion of Gracilis
Medial surface of tibia
63
Action of Gracilis
Adducts the thigh at the hip; flexes and medially rotates the leg
64
Origin of Adductor Longus
Pubic symphysis
65
Insertion of Adductor Longus
Femur
66
Action of Adductor Longus
Adducts, medially rotates, and flexes the thigh at the hip
67
Origin of Adductor Magnus
Ischium, pubis
68
Insertion of Adductor Magnus
Femur
69
Action of Adductor Magnus
Adducts, medially rotates, and flexes the thigh at the hip
70
Origin of Adductor Brevis
Pubis
71
Insertion of Adductor Brevis
Femur
72
Action of Adductor Brevis
Adducts, medially rotates, and flexes the thigh at the hip
73
Origin of Tibialis Anterior
Lateral condyle of tibia
74
Insertion of Tibialis Anterior
Metatarsal I, tarsal
75
Action of Tibialis Anterior
Prime mover of dorsiflexion; foot inversion; supports longitudinal arch of foot
76
Origin of Gastrocnemius
Medial and lateral condyles of femur
77
Insertion of Gastrocnemius
Calcaneus
78
Action of Gastrocnemius
Plantar flexes the foot when knee is extended; flexes knee
79
Origin of Soleus
Proximal tibia and fibula
80
Insertion of Soleus
Calcaneus
81
Action of Soleus
Prime mover of plantar flexion