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ANAT 23F > MACRO skeletal muscles > Flashcards

MACRO skeletal muscles Flashcards

1
Q

orbicularis oculi

A

O; wall of orbit
I; skin around orbit
F; closes eye

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2
Q

orbicularis oris

A

O: muscles around mouth
I: skin around mouth
F: protrudes lips (kissy face)

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3
Q

Masseter

A

O: maxilla and zygomatic arch
I: mandible
F: elevates the mandible

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4
Q

Temporalis

A

O: temporal bone
I: mandible
F: elevates and retracts the mandible

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5
Q

occipitofrontalis -frontal belly

A

O: aponeurosis
I: blends muscles of eyes and eyebrows
F: raises eyebrows

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6
Q

occipitofrontalis -occipital belly

A

O: occipital bone
I: aponeurosis
F: draws scalp backwards

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7
Q

sternocleidomastoid

A

O: manubrium and clavicle
I: occipital bone, mastoid process, and temporal bone
F: flexes and rotates head

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8
Q

trapezius

A

O: occipital bone and thoracic vertebrae
I: scapula and clavicle
F: extends head and elevates scapula

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9
Q

platysma

A

O: fascia over deltoid
I: mandible, skin of lower face
F: depress mandible

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10
Q

zygomaticus major

A

O: zygomatic bone
I: skin at the corner of the mouth
F: smiling

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11
Q

pectoralis major

A

O: medial clavicle and sternum
I: humerus
F: adduction of humerus, push-up, arm twd medial, medial rotation of shoulder

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12
Q

pectoralis minor

A

O: ribs 3-5
I: coracoid process of the scapula
F: elevated ribs during forced inspiration, scapula fwd and down,

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13
Q

rectus abdominus

A

O: pubic symphysis
I: cartilage of ribs 5-7, xiphoid process
F: felxes vertebral column, aids in #1 2, chilborth, forced expiration

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14
Q

external oblique

A

O: ribs 5-12
I: linea alba
F: flexion and rotation of vertebral column

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15
Q

internal oblique

A

I: ilium
O: cartilgae of ribs 9-12
F: flexion and rotation of vertebral column

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16
Q

transverse abdominus

A

I: ilium, lumbar fascia, ribs 6-12
O: xiphoid process, linea alba, pubis
F: compresses abdomen and stabilizes trunk

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17
Q

external intercostals

A

O: rib above
I: rib below
F: increases thoracic volume during normal respiration, involved in relaxing

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18
Q

internal intercostals

A

O:rib below
I: rib above
F: depresses ribs (forced expiration)

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19
Q

diaphragm

A

O: xiphoid process, cartilage of ribs 6-12, lumbar vertebrae
I: central tendon
F: causes flattening during contraction, increase thoracic volume during normal inspiration

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20
Q

Supraspinatus

A

O: supraspinatus fossa, scapula
I: superior humerus (gr. tubercle)
F: abduction of arm

21
Q

Infraspinatus

A

O: infraspinatus fossa, scapula
I: superior lateral humerus (gr. tubercle)
F: lateral rotation of arm

22
Q

Teres minor

A

O: scapula
I: lateral humerus
F: lateral rotation of arm

23
Q

Teres major

A

O: scapula
I: anterior lateral humerus
F: extension and adduction of arm

24
Q

Latissimus dorsi

A

O: spines of vertebrae T5-L7 l, sacrum, ilium
I: medial humerus
F: extension and adduction of arm

25
Q

Deltoid

A

O: clavicle and scapula (spine)
I: humerus (deltoid tuberosity)
F: abduction, extension, and medial lateral rotation of arm

26
Q

Subscapularis

A

O: anterior scapula
I: proximal medial humerus
F: rotates arm medially at shoulder joints

27
Q

The 3 muscles of the vertebral column

A

Iliocostalis, longissimus, spinalis

28
Q

What are the 4 muscles of the rotator cuff?

A

Supraspinatus, infraspinatus, Teres minor, subscapularis

29
Q

Biceps brachii

A

O: Coracoid process, long head-superior, short head- anterior
I: radius (radial tuberosity)
F: Flexion of the elbow

30
Q

Tricep brachii

A

O: posterior and lateral scapula and humerus
I: posterior ulna (olecranon)
F: extension of the elbow

31
Q

Rectus femoris

A

O: anterior iliac, spine of pelvis
I: tibial tuberosity
F:extend knee, flex hip
quadricep

32
Q

Vastus lateralis

A

O: proximal femur
I: tibial tuberosity
F:extend knee
quadricep

33
Q

Vastus intermedius

A

O: proximal femur
I: tibial tuberosity
F:extend knee
quadricep

34
Q

Vastus medialis

A

O: proximal femur
I: tibial tuberosity
F:extend knee
quadricep

35
Q

What are the 4 quadriceps?

A

Rectus femoris, vastus lateralis, vastus intermedius, vastus medialis

36
Q

Sartorius

A

O: ilium ASIS
I: tibia -proximal medial
F: flex hip, abduct femur

37
Q

Adductor longus

A

O: pubis
I: femur -medial
F: abduct femur

38
Q

Gluteus maximus

A

O: posterior pelvis
I: IT band and femur
F: extend and laterally rotate hip

39
Q

Semimembranosus

A

O: ischium
I: medial tibia
F: flex knee
hamstring

40
Q

Semitendinosus

A

O: ischium
I: medial tibia
F: flex knee
hamstring

41
Q

Biceps femoral

A

O: ischium
I: lateral fibula
F: flex knee
hamstring

42
Q

What are the 3 hamstring muscles?

A

Semimembranosus, semitendinosus, biceps femoral

43
Q

Soleus

A

O: proximal tibia and fibula
I: calcaneus via calcaneal tendon
F: plantar flexes foot

44
Q

Gastrocnemius

A

O: distal femur
I: calcaneus via calcaneal tendon
F: plantar flexes foot and flexes knee

45
Q

Tibialis anterior

A

O: proximal tibia
I: first metatarsal
F: muscle dorsiflexes foot

46
Q

Psoas major

A

O: lumbar vertebrae
I: femur
F: hip flexion, lateral rotation
hip flexor

47
Q

Iliacus

A

O: ilium
I: femur
F: hip flexion, lateral rotation
hip flexor

48
Q

What are the 2 hip flexors?

A

Psoas major, iliacus

ANAT 23F (6 decks)

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