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Anatomy & Physiology 1 > Origin/Insertions > Flashcards

Origin/Insertions Flashcards

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1
Q

Pectoralis major

A

O: clavicle, sternum
I: proximal humerus

fn: flex and adducts shoulder

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2
Q

Deltoid

A

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

fn: abducts shoulder, but can flex and extend shoulder

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3
Q

Latissimus dorsi

A

O: spine process of thoracic and lumbar, sacrum, iliac crest

I:proximal humerus

fn:adducts and extends shoulder

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4
Q

Teres major

A

O: inferior angle of scapula
I: humerus
fn: rotate humerus

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5
Q

supraspinatus

A

O: supraspinous fossa
I: greater tubercle of humerus
fn: stabilize shoulder (rotator cuff)

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6
Q

infraspinatus

A

O: infraspinous fossa
I: greater tubercle of humerus
fn: stabilize shoulder (rotator cuff)

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7
Q

subscapularis

A

O: subscapular
I: greater tubercle of humerus
fn: stabilize shoulder (rotator cuff)

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8
Q

teres minor

A

O: lateral border of scapula
I:lesser tubercle of humerus
fn: stabilize shoulder joint (rotator cuff)

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9
Q

Rectus femoris

A

O: inferior iliac
I: patella and tibial tuberosity
fn: extends at knee, flex at hip

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10
Q

Vastus lateralis

A

O: linea aspera of femur
I: patella and tibial tuberosity
fn: extends at knee

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11
Q

vastus medialis

A

O: linea aspera of femur
I: patella and tibial tuberosity
fn: extend at knee

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12
Q

vastus intermedius

A

O: anterior shaft of femur
I: patella and tibial tuberosity
fn: extend at knee

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13
Q

Sartorious

A

O: iliac spine of pelvic girdle
I: medial surface of tibia
fn: flexes at knee, flexes at hip, rotates hip outward

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14
Q

Iliopsoas

A

O: vertebral column
I: femur, after crossing floor of os coxae
fn: hip flexor (deep)

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15
Q

Gluteus maximus

A

O: iliac crest, sacrum, coccyx
I: gluteal tuberosity of femur, iliotibial band
fn: extends at hip

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16
Q

Tensor fasciae latae

A

O: iliac crest
I: iliotibial band
fn: flexes at hip

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17
Q

Piriformis

A

O: sacrum, iliosacral joint
I: greater trochanter
fn: laterally rotate hip, some adduction

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18
Q

Gluteus medus

A

O: ilium
I: greater trochanter of femur
fn: ubducts at hip, medial rotation

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19
Q

Biceps femoris

A

O: ischial tuberosity, linea aspera
I: lateral proximal end of fibula and tibia
fn: flexes at knee, extends at hip

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20
Q

semi-tendinosus

A

O: Ischial tuberosity
I: medial proximal end of tibia
fn: flexes at knee, extends at hip

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21
Q

semi-membranosus

A

O: ischial tuberosity
I: medial proximal end of tibia
fn: flexes at knee, extends at hip

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22
Q

Pectineus

A

O: ischial and pubic bone
I: medial aspect of femur
fn: adduction of hip (brings lefs together at midline)

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23
Q

Adductor longus

A

O: ischial and pubic bone
I: medial aspect of femur
fn: adduction of hip (brings lefs together at midline)

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24
Q

Adductor magnus

A

O: ischial and pubic bone
I: medial aspect of femur
fn: adduction of hip (brings lefs together at midline)

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25
Gracilis
O: pubic symphysis I: medial surface of tibia (near top) fn: adduction of hip, flex at knee
26
gastrocnemius
O: medial and lateral condyles of femur I: calcaneus via calcaneal tendon (Achilles' tendon) fn: plantar flexion, flex at knee
27
Soleus
O: medial and lateral condyles of femur I: calcaneus (via achilles tendon) fn: plantar flexion
28
tibialis anterior
O: medial and lateral condyles of femur I: 1st metatarsal on medial edge of foot fn: dorsiflexion
29
Biceps brachii
O: coracoid process and glenoid cavity of scapula I: radial tuberosity fn: flex arm at elbow, abducts and flexes shoulder, supinate forearm
30
Brachialis
O: Lower half of anterior humerus I: Proximal ulna fn: Flex at elbow
31
brachioradialis
O: lateral epicondyle of humerus I: styloid process of the radius fn: flex at elbow, supinates
32
supinator
O: lateral epicondyle of humerus I: proximal radius fn: supinates
33
pronator teres
O: medial epicondyle of humerus I: midway along radius fn: pronates
34
triceps brachii
O: glenoid cavity of scapula, lateral and posterior portions of humerus I: olecranon process of ulna fn: extends at elbow, adducts and extends at shoulder
35
Palmaris longus
O: medial epicondyle of humerus I: metacarpals fn: flexes fingers
36
flexor carpi ulnaris
O: medial epicondyle of humerus I: anterior surface of medial metacarpals fn: flexes wrist, lateral flex of hand at wrist
37
flexor carpi radialis
O: medial epicondyle of humerus I: andterior surface of lateral metacarpals (thumb side) fn: flexes wrist and medial flex hand at wrist
38
extensor digitorum
O: lateral epicondyle of humerus I: phalangies fn: extends fingers
39
extensor carpi ulnaris
O: lateral epicondyle of humerus, proximal ulna I: posterior surface of medial metacarpals and carpals (pnkie side) fn: extend wrist, lateral flex of hand at wrist
40
extensor carpi radialis
O: lateral epicondyle of humerus I: posterior surface of lateral metacarpals (on thumb side) fn: extends wrist, medial flex hand at wrist
41
sternocleidomastoid
O: manubrium of sternum and clavicle I: mastoid process of temporal bone fn: flexes at neck, rotates neck (side to side)
42
Trapezius
O: spines of servical and thoracic vertebrae, occipital bone I: spine of scapula and clavicle fn: shoulder joint, depresses and adducts scapula, extends at neck (tilt back)
43
serratus anterior
O: I: fn: stabilize scapulae
44
rhomboid (major and minor)
O: spine of thoracic vertebrae I: medial border of scapula fn: stabilize scapula
45
Diaphragm
O: inferior border of rib cage I: fn: Breathing
46
Pectoralis minor
O: I: fn: breathing
47
Internal and external intercostals
O: border of ribs I: fn: breathing
48
Rectus abdominis
O: pubic symphysis I: sternum and cartilage of rib cage fn: flexes vertebrae column (bends body forward) also increases abdominal pressure when defecating, child birth
49
External and internal obliques
O: I: aponeurosis and linea alba fn: synergist w/rectus abdominis
50
Transverse abdominis
O: I: aponeurosis and linea alba fn: increases abdominal pressure (when defecating and childbirth)
51
erector spinae group
O: I: fn: extension of back (vertebral column)
52
Epicranius
O: cranial aponeurosis I: fn:
53
Platysma
fn: depresses the jaw
54
Temporalis
O: temporalis fossa I: coronoid process fn: elevate mandible
55
masseter
O: zygomatic arch I: angle and ramus of mandible fn: closes mouth and moves jaw from side to side (chewing)
56
orbicularis oculi
fn: blinking squinting
57
orbicularis oris
fn: close mouth
58
zygomaticus
fm: smiling
59
digastric
fn: swallowing
60
mylohyoid
O: mandible I: hyoid fn: elevates hyoid
61
sternohyoid
O: hyoid I: sternum fn:depresses hyoid
62
Pharyngeal constrictor group
fn: swallowing (deep)

Anatomy & Physiology 1 (13 decks)

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