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Anatomy & Physiology 1 > Origin/Insertions > Flashcards

Origin/Insertions Flashcards

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
Q

Gracilis

A

O: pubic symphysis
I: medial surface of tibia (near top)
fn: adduction of hip, flex at knee

26
Q

gastrocnemius

A

O: medial and lateral condyles of femur
I: calcaneus via calcaneal tendon (Achilles’ tendon)
fn: plantar flexion, flex at knee

27
Q

Soleus

A

O: medial and lateral condyles of femur
I: calcaneus (via achilles tendon)
fn: plantar flexion

28
Q

tibialis anterior

A

O: medial and lateral condyles of femur
I: 1st metatarsal on medial edge of foot
fn: dorsiflexion

29
Q

Biceps brachii

A

O: coracoid process and glenoid cavity of scapula
I: radial tuberosity
fn: flex arm at elbow, abducts and flexes shoulder, supinate forearm

30
Q

Brachialis

A

O: Lower half of anterior humerus
I: Proximal ulna
fn: Flex at elbow

31
Q

brachioradialis

A

O: lateral epicondyle of humerus
I: styloid process of the radius
fn: flex at elbow, supinates

32
Q

supinator

A

O: lateral epicondyle of humerus
I: proximal radius
fn: supinates

33
Q

pronator teres

A

O: medial epicondyle of humerus
I: midway along radius
fn: pronates

34
Q

triceps brachii

A

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
Q

Palmaris longus

A

O: medial epicondyle of humerus
I: metacarpals
fn: flexes fingers

36
Q

flexor carpi ulnaris

A

O: medial epicondyle of humerus
I: anterior surface of medial metacarpals
fn: flexes wrist, lateral flex of hand at wrist

37
Q

flexor carpi radialis

A

O: medial epicondyle of humerus
I: andterior surface of lateral metacarpals (thumb side)
fn: flexes wrist and medial flex hand at wrist

38
Q

extensor digitorum

A

O: lateral epicondyle of humerus
I: phalangies
fn: extends fingers

39
Q

extensor carpi ulnaris

A

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
Q

extensor carpi radialis

A

O: lateral epicondyle of humerus
I: posterior surface of lateral metacarpals (on thumb side)
fn: extends wrist, medial flex hand at wrist

41
Q

sternocleidomastoid

A

O: manubrium of sternum and clavicle
I: mastoid process of temporal bone
fn: flexes at neck, rotates neck (side to side)

42
Q

Trapezius

A

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
Q

serratus anterior

A

O:
I:
fn: stabilize scapulae

44
Q

rhomboid (major and minor)

A

O: spine of thoracic vertebrae
I: medial border of scapula
fn: stabilize scapula

45
Q

Diaphragm

A

O: inferior border of rib cage
I:
fn: Breathing

46
Q

Pectoralis minor

A

O:
I:
fn: breathing

47
Q

Internal and external intercostals

A

O: border of ribs
I:
fn: breathing

48
Q

Rectus abdominis

A

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
Q

External and internal obliques

A

O:
I: aponeurosis and linea alba
fn: synergist w/rectus abdominis

50
Q

Transverse abdominis

A

O:
I: aponeurosis and linea alba
fn: increases abdominal pressure (when defecating and childbirth)

51
Q

erector spinae group

A

O:
I:
fn: extension of back (vertebral column)

52
Q

Epicranius

A

O: cranial aponeurosis
I:
fn:

53
Q

Platysma

A

fn: depresses the jaw

54
Q

Temporalis

A

O: temporalis fossa
I: coronoid process
fn: elevate mandible

55
Q

masseter

A

O: zygomatic arch
I: angle and ramus of mandible
fn: closes mouth and moves jaw from side to side (chewing)

56
Q

orbicularis oculi

A

fn: blinking squinting

57
Q

orbicularis oris

A

fn: close mouth

58
Q

zygomaticus

A

fm: smiling

59
Q

digastric

A

fn: swallowing

60
Q

mylohyoid

A

O: mandible
I: hyoid
fn: elevates hyoid

61
Q

sternohyoid

A

O: hyoid
I: sternum
fn:depresses hyoid

62
Q

Pharyngeal constrictor group

A

fn: swallowing (deep)

Anatomy & Physiology 1 (13 decks)

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