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A&P 150 > Ch 10: muscular system > Flashcards

Ch 10: muscular system Flashcards

1
Q

Origin/head

A

Muscle in attached to more stationary of two bones
- (stationary)

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2
Q

Insertion

A

Muscle in attaches to bone with a greater movement
- (movement)

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3
Q

Belly

A

Largest portion between origin and insertion

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4
Q

Tendons

A

Attaches muscle to bone

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5
Q

Agonist

A

Muscle, when it contracts, causes main action

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6
Q

Primary mover

A

Major role in accomplishing movement

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7
Q

Antagonist

A

Muscle working in opposition to agonist

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8
Q

Synergists

A

Muscle works together to cause movement

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9
Q

Fixators

A

Prevents movement of origin of primary mover

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10
Q

Nomenclature location

A

Pectoralis, gluteus, brachial, ephemeral

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11
Q

Nomenclature size

A

Maximus, minimus, Logus, brevos

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12
Q

Nomenclature shapes

A

Deltoid, quadratus, trapezius, Teres

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13
Q

Nomenclature orientation

A

Rectus, oblique

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14
Q

Nomenclature number of heads

A

Biceps, triceps, quadriceps

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15
Q

Nomenclature, origin and insertion

A

Sternocleidomastoid, brachioradialis

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16
Q

Nomenclature function

A

Abductor, adductor, masseter

17
Q

Lever

A

Rigid Shaft or bone

18
Q

Fulerum

A

Pivot point or joint

19
Q

How does parts of the body or whole body move together?

A

Muscles and tendons and bones work together as a lever systems 

20
Q

Occipitofrontalis

A

Move scalp and forehead

21
Q

Orbicularis oculi

A

Close eye

22
Q

Nasalis

A

Dilate nostril

23
Q

Orbicularis oris

A

Close lips

24
Q

levator anguli oris

A

Elevate angle of mouth

25
Q

Buccinator

A

Flatin cheeks

26
Q

Levator labi superioris

A

Elevate lips

27
Q

Zygomaticus, minor/major

A

Elevate and abduct lips

28
Q

Risorius

A

Abducts angle of mouth

29
Q

Depressor anguli oris

A

Depress angle of mouth

30
Q

Depressor labii inferioris

A

Depressed lower lips

31
Q

Mentalis

A

Elevate lower lip

32
Q

Platysma

A

Tense skin over neck

33
Q

Masseter

A

Elevate and protract mandible
(Chew)

34
Q

Temporalis

A

Elevate and retract mandible

35
Q

Medial pterygoid

A

Protract and elevate mandible

36
Q

Lateral pterygoid

A

Protract and depress mandible
(Lower jaw when chewing)

37
Q

What facial expression muscle makes the duck lips

A

Orbicularis oris

A&P 150 (26 decks)

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