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IB 131 Human Anatomy > Lab Midterm #1 > Flashcards

Lab Midterm #1 Flashcards

(63 cards)

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1
Q

Buccinator

A

O: Maxilla, Mandible
I: Orbicularis Oris

Action: compress cheek

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2
Q

Masseter

A

O: Zygomatic arch, Maxilla
I: Mandible

Action; elevates jaw

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3
Q

Temporalis

A

O: Temporal Fossa
I: Mandible (coronoid process)

Action: elevates and retracts jaw

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4
Q

Sternocleidomastoid

A

O: Manubrium, Clavicle,
I: Mastoid Process

Action: Flexion of neck and head rotation

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5
Q

Digastric

A

O: (anterior belly ) lower mandible
O: (posterior belly) Mastoid Process
I: Hyoid Bone

Action: opens mouth and depresses mandible

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6
Q

Stylohyoid

A

O: Styloid Process
I: hyoid process

Action: elevates and retracts hyoid

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7
Q

Thyrohyoid

A

O: Thyroid cartilage
I: Hyoid Bone

Action: depresses hyoid

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8
Q

Sternothyroid

A

O: Manubrium (posterior surface)
I: Thyroid Cartilage

Action: depresses thyroid cartilage

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9
Q

Illocostalis + Longissimus + Spinalis

A

O: Illiac Crest, Transverse processes of lumbar, thoracic and cervucal vertebrae… and/or ribs 3-6
I: ribs and transverse processes of vertebrae above origin
longissimus also inserts at mastoid

Action: extends and laterally flexes the vertebral column
fibers of the longissimus also extends head

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10
Q

Pectoralis Minor

A

O: Ribs 3-5
I: Coracoid process of scapula

Action; pulls scapula anteriorly

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11
Q

Serratus Anterior

A

O: ribs 1-8
I: medial border of scapula

Action: protracts and holds the scapula against the ribs

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12
Q

Trapezius

A

O: occipital bone, spines of C 7, and T 1-12
I: acromion and spine of scapula + clavicle

Action: rotates, abducts elevates and depresses scapula and extends head

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13
Q

Levator Scapulae

A

O: transverse processes of C1 - C4
I: medial border of scapula

Action: elevates scapula

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14
Q

Rhomboid Minor

A

O: spines of C7-T1
I: medial border of scapula

action: adducts scapula, and fixes scapula to the ribs

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15
Q

Rhomboid Major

A

O: Spines of T2-T5
I: medial border of scapula

action: adducts scapula and fixes scapula to ribs

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16
Q

Inter & External - Costals

A

O & I: inferior and superior borders of ribs

action: (external): elevates rib cage (breath inhalation)
(internal): depresses rib cage (breath exhalation)

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17
Q

Diaphragm

A

O: inferior rib cage, sternum, costal cartilage
I: Central tendon

action: flattens with contraction, forcing lungs to expand for breath inspiration

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18
Q

Recuts Abdominis

A

O: pubic crest, symphysis
I: xiphoid process, costal cartilages of ribs 5-7

action: flexes and rotates vertebral column

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19
Q

External Oblique

A

O: anterior surface of rubs 5-12
I: linea alba, pubic crest, tubercles, and iliac crest

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20
Q

Internal Oblique

A

O: lumbar fascia, iliac crest, inguinal ligament
I: linea alba, pubic crest, costal cartilages ribs 10-12

action: flexes vertebral column and compress abdominal wall

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21
Q

Transversus Abdominis

A

O: lingual ligament, iliac crest, costal cartilages ribs 7-12
I: línea alba, pubic crest

action: compresses abdominal contents

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22
Q

Pectoralis Major

A

O: clavicle, sternum
I; Greater tubercle of humerus

Action: flexes, adducts, rotates arm medially

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23
Q

Coracobrachialis

A

O: coracoid process of scapula
I: medial surface of humerus

action: flexes & adducts

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24
Q

deltoid

A

O: acromion and spine of scapula, clavicle
I: deltoid tuberosity of humerus

action: abducts, flexes, extends, and rotation of arm

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25
latissimus dorsi
O: spines of T7 - L2, iliac crest I: between tubercles of humerus action: extends, adducts, and medially rotates arm
26
teres major
O: inferior angle of scapula I: between tubercles of humerus action: extends, adducts, and medially rotates of arm
27
supraspinatus
O: surpraspinous fossa of scapula I: greater tubercle action: abducts and stabilizes shoulder joint
28
infraspinatus
O: infraspinous fossa of scapula I: greater tubercle action: laterally rotates arm and stabilizes shoulder joint
29
subscapularis
O: subscapular fossa of scapula I: lesser tubercle action: adducts and rotates arm medially, stabilizes shoulder joint
30
teres minor
O: lateral border of scapula I: greater tubercle action: laterally rotates arm and stabilizes shoulder joint
31
biceps brachii (long and short head)
O: (long) supraglenoid tubercle O: (short) coracoid process I (both): radial tuberosity action: flexes and supinates forearm
32
lateral head
O: posterior humerus I: Olecranon of ulna action: extends forearm
33
brancioradialis
O: distal humerus I: styloid process of radius action: flexes forearm
34
long head
O: inferior to glenoid cavity I: olecranon of ulna action: extends forearm
35
medial head
O: posterior humerus I: Olecranon of ulna action: extends forearm
36
common flexor
O: medial epicondyle of humerus I: metacarpals, phalanges action: flexes wrist and fingers
37
common extensors
O: lateral epicondyle of humerus I: metacarpals and phalanges action: extend wrist and fingers
38
thenar group
O: hand, forearm I: 5th metacarpal and proximal phalanx action: flexes thumb
39
hypothenar group
O: hand and forearm I: 5th metacarpal and proximal phalanx action: flexes little finger
40
psoas major
O: tranverse processes of T12-L4 I: lesser trochanter of femur action: flexes thing and laterally flexes vertebral column
41
iliacus
O: iliac fossa I: lesser trochanter of femur action: flexes and rotates thigh medially
42
Gluteus maximus
O: iliac crest, sacrum, coccyx I: gluteal tuberosity, iliotibial tract action: extends and laterally rotates thigh
43
gluteus medius
O: ilium I: greater trochanter action: abducts and rotates thigh medially
44
gluteus minimus
O: ilium I: greater trochanter action: abducts and rotates thigh medially
45
satorius
O: anterior superior iliac spine I: proximal, medial tibia action: flexes, abducts, and laterally rotates thigh, flexes leg
46
rectus femoris
O: anterior inferior iliac spine I: patella via quadriceps tendon and tibial tuberosity via patellar ligament action: extends leg and flexes thigh
47
vastus larteralis
O: greater trochanter and linea aspera I: patella via quadriceps tendon and tibial tuberosity via patellar ligament action: extends leg
48
vastus intermedius
O: anterior femur I: patella via quadriceps tendon and tibial tuberosity via patellar ligament action: extends leg
49
vastus medialis
O: linea aspera I: patella via quadriceps tendon and tibial tuberosity via patellar ligament action: extends leg
50
Tensor fascia latae
O: iliac crest I: iliotibial tract action: abducts, flexes, medially rotates thigh
51
Adductor Longus
O: pubic ramus I: linea aspera action: adducts, flexes, medially rotates thigh
52
gracilis
O: pubis I: proximal and medial tibia action: adducts, flexes and medially rotates thigh
53
biceps femoris
O: (long) ischial tuberosity O (short) linea aspera I: head of fibula, lateral condyle of tibia action: flexes and extends thigh
54
semimembranosus
O: ischial tuberosity I: medial condyle of tibia action: flexes leg and extends thigh
55
semitendinosus
O: ischial tuberosity I: proximal medial tibia flexes leg and extends thigh
56
tibialis anterior
O: Lat. condyle & body of tibia 1: 1st metatarsal & a tarsal action: dorsiflexes and inverts foot
57
extensor digitorum longus
O: Lateral condyle of tibia I: Middle & distal phalanges of all toes except big toe action: dorsiflexes foot, extends toes
58
extensor hallucis longus
O: Anterior surface of fibula I: Distal phalanx of big toe action: dorsiflexes foot, extends big toe
59
gastrocnemius
O: Lateral & medial condyles of femur I: Calcaneus via calcaneal tend action: plantar flexes foot
60
soleus
O: Head of fibula, medial border of tibia I: Calcaneus via calcaneal tend action: plantar flexes foot
61
tibialis posterior
O: Superior tibia & fibula 1: Tarsals, metatarsals 2-4 action: plantar flexes and inverts foot
62
flexor digitorum longus
O: posterior tibia I: distal phalanges 2-5 action: flexes toes 2-5, plantar flexes, and inverts foot
63
flexor hallucis longus
O: posterior surface of fibula I: distal phalanx of big toe action: flexes big toe, plantar flexes, and inverts foot

IB 131 Human Anatomy (2 decks)

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