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Skeletal Muscles > Skeletal Muscles > Flashcards

Skeletal Muscles Flashcards

1
Q

Origin

A

stationary attachment to bone

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2
Q

Insertion

A

Movable attachment to bone

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3
Q

Facial Expressions

A

Origin: Cranial Bones
Insertion: Dermis
Action: Moves Skin with contraction
Nerves: Facial Nerve 7

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4
Q

Eye

A 
Origin: orbit surface
Insertion: sclera of eye
Action: Moves Eye
Nerves: CN 6
CN4
CN3
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5
Q

Mastication

A

moves mandible at the TMJ

Nerve: CN 5- Trigeminal

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6
Q

Tongue

A

Names end in “-glossus”

Nerve 12 Hypoglossal Nerve

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7
Q

Orbicularis Oris

A

Action: Purses Lips

CN 7

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8
Q

Orbicularis Oculi

A

Closes Eye

CN 7

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9
Q

Occipitofrontalis

A

wrinkles forehead, raises eyebrows, tense scalp

CN 7

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10
Q

Zygomaticus Major/Minor

A

Smile

CN7

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11
Q

Levator Labii Superioris

A

depresses lower lip

CN 7

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12
Q

Buccinator

A

compresses cheeks

CN7

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13
Q

Mentalis

A

Protrude lower lip

CN7

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14
Q

Platysma

A

tense skin of neck

CN7

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15
Q

Superior Rectus

A

Looks superiorly

CN3- oculumotor

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16
Q

Inferior rectus

A

Looks inferiorly

CN3- oculumotor

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17
Q

Medial Rectus

A

Looks medially

CN3- oculumotor

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18
Q

Lateral Rectus

A

Looks laterally

CN6- abducens

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19
Q

Superior Oblique

A

Eye Roll inferiorly

CN4- trochlear

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20
Q

Inferior Oblique

A

Eye Roll superiorly

CN3- oculumotor

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21
Q

Mastication

A 
Temporalis
Internal/External Pterygoid
Masseter
CN5- trigeminal
Actions:
Elevation/Depression
Protrude/ Retract
Lateral movement
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22
Q

Anterior Neck

A

Sternocleidomastoid

Actions: Control larynx position, create foundation for muscle of tongue

23
Q

Tongue

A

All muscles end in “-glossus”
CN 12- hypoglossus
Moves food within mouth to prepare for swallowing

24
Q

Vertebral

A

Erector Spinae- “I like Spaghetti”
Iliocostalis/Longissimus/Spinalis
Action: Extension, laterla flexion, rotation

25
Q

Quadratus Lumborum

A

Flexor of spine

26
Q

Abdominals

A

Transversus Abdominis
Internal Oblique
External Oblique

27
Q

Rectus

A

Diaphragm- Phrenic Nerve

Rectus Abdominis- Linea Alba

28
Q

Perineum (Pelvic Floor)

A

Flex sacrum & coccyx

29
Q

Pectoralis Major

A

Origin: Sternum & Clavicle
Insertion: Greater tubercle
Movement at the shoulder

30
Q

Deltoid

A

Insertion: Deltoid Tuberosity

Movement at the shoulder

31
Q

Rotator Cuff Muscles

A

Supraspinatus
Infraspinatus
Subscapularis
Teres Minor

32
Q

Supraspinatus

A

Origin: Supraspinous Fossa

33
Q

infraspinatus

A

Origin: Infraspinatous Fossa

34
Q

Subscapularis

A

Subscapular Fossa

35
Q

Biceps Brachii

A

Origin: coracoid Process
Insertion: radial Tuberosity
Elbow flexor

36
Q

Triceps Brachii

A

Elbow Extensor
origin: Humerus
Insertion: Olecranon process

37
Q

Flexor Carpi Ulnaris

A

Origin: Medial Epicondyle

Wrist Flexion & ulnar deviation

38
Q

Flexor Carpi radialis

A

Origin: Medial epicondyle

wrist Flexion & Radial deviation

39
Q

Pulmaris Longus

A

wrist flexor

40
Q

Gluteus Maximus

A

Origin: Iliac Crest
Insertion: Gluteal Tuberosity & IT Band
Hip Extensors & Abductors

41
Q

Gluteus Medias

A

origin: Iliac crest
Insertion: greater tuberosity
Hip extensor & abductor

42
Q

Piriformis

A

Origin: anterior sacrum
Insertion: Greater trochanter

43
Q

Quadriceps Group

A

Rectus Femoris: Origin @ Anterior Inferior Iliac Spine
Vastus Lateralis
Vastus Intermedius
Vasts Medialis
Hip flexion & Knee extension
all share a the same insertion: tibial Tuberosity

44
Q

Psoas

A

Psoas Major: origin @ TP of T1-L5

Insertion: lesser trochanter

45
Q

Hamstrings

A

Biceps Femoris: Insertion @ fibular head
Semimebranousis: Insertion @ Medial Tibia
Semitendinosus: Insertion @ Pes Anserine
Common origin @ Ischial Tuberosity

46
Q

Tensor Fascia Latae (IT Band)

A 
On the Hips
Origin: ASIS & Iliac Crest
Insertion: IT Band
IT- Iliotibial Band, side of thigh
Hip extensor & abductor
47
Q

Sartorius

A

Hip Flexion & Knee extensions
Origin: ASIS
Insertion: Pes Anserine

48
Q

Gracilis

A

Inner thigh
Hip adductor
Insertion: Pes Anserine

49
Q

Gastrocnemius

A

calf
Origin: femoral condyle
Insertion: Calcaneal tendon

50
Q

Soleus

A

Insertion: calcaneal tendon

51
Q

Tibialis Anterior

A

Dorsiflex ankle

52
Q

Extensor Digitorum Longus

A

Digits 2-5

Dorsiflex toes

53
Q

Fibularis Longus

A

Plantarflex foot

Skeletal Muscles (1 decks)

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