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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
Quadratus Lumborum
Flexor of spine
26
Abdominals
Transversus Abdominis Internal Oblique External Oblique
27
Rectus
Diaphragm- Phrenic Nerve | Rectus Abdominis- Linea Alba
28
Perineum (Pelvic Floor)
Flex sacrum & coccyx
29
Pectoralis Major
Origin: Sternum & Clavicle Insertion: Greater tubercle Movement at the shoulder
30
Deltoid
Insertion: Deltoid Tuberosity | Movement at the shoulder
31
Rotator Cuff Muscles
Supraspinatus Infraspinatus Subscapularis Teres Minor
32
Supraspinatus
Origin: Supraspinous Fossa
33
infraspinatus
Origin: Infraspinatous Fossa
34
Subscapularis
Subscapular Fossa
35
Biceps Brachii
Origin: coracoid Process Insertion: radial Tuberosity Elbow flexor
36
Triceps Brachii
Elbow Extensor origin: Humerus Insertion: Olecranon process
37
Flexor Carpi Ulnaris
Origin: Medial Epicondyle | Wrist Flexion & ulnar deviation
38
Flexor Carpi radialis
Origin: Medial epicondyle | wrist Flexion & Radial deviation
39
Pulmaris Longus
wrist flexor
40
Gluteus Maximus
Origin: Iliac Crest Insertion: Gluteal Tuberosity & IT Band Hip Extensors & Abductors
41
Gluteus Medias
origin: Iliac crest Insertion: greater tuberosity Hip extensor & abductor
42
Piriformis
Origin: anterior sacrum Insertion: Greater trochanter
43
Quadriceps Group
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
Psoas
Psoas Major: origin @ TP of T1-L5 | Insertion: lesser trochanter
45
Hamstrings
Biceps Femoris: Insertion @ fibular head Semimebranousis: Insertion @ Medial Tibia Semitendinosus: Insertion @ Pes Anserine Common origin @ Ischial Tuberosity
46
Tensor Fascia Latae (IT Band)
``` On the Hips Origin: ASIS & Iliac Crest Insertion: IT Band IT- Iliotibial Band, side of thigh Hip extensor & abductor ```
47
Sartorius
Hip Flexion & Knee extensions Origin: ASIS Insertion: Pes Anserine
48
Gracilis
Inner thigh Hip adductor Insertion: Pes Anserine
49
Gastrocnemius
calf Origin: femoral condyle Insertion: Calcaneal tendon
50
Soleus
Insertion: calcaneal tendon
51
Tibialis Anterior
Dorsiflex ankle
52
Extensor Digitorum Longus
Digits 2-5 | Dorsiflex toes
53
Fibularis Longus
Plantarflex foot

Skeletal Muscles (1 decks)

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