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ELAINE N. MARIEB

EIGHTH EDITION

6

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Po*erPoi!t+Le$t#re ,'i"e Pree!tatio! &y -erry L. Coo% ,a) Ho#to! /!ierity

E,,ENTIAL,O1 H/MAN

ANATOM

3PH,IOLOG

PART C

The M#$#'ar ,yte)

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Types of Ordinary Body Movements

Flexion

Extension

Rotation

Abduction

Circumduction

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Body Movements

1ig#re 6.45a$

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Body Movements

1ig#re 6.45"

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Special Movements

Dorsifelxion

Plantar flexion

Inversion

Eversion

Supination

Pronation Opposition

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Types of Muscles

Prime mover muscle wit te ma!or

responsibilit" for a certain movement Anta#onist muscle tat opposes or reverses

a prime mover

S"ner#ist muscle tat aids a prime mover in

a movement and elps prevent rotation

Fixator stabili$es te ori#in of a primemover

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Naming of Skeletal Muscles

Direction of muscle fibers

Example% rectus&strai#t'

Relative si$e of te muscle

Example% maximus&lar#est'

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Naming of Skeletal Muscles

(ocation of te muscle

Example% man" muscles are named for

bones &e)#)* temporalis'

+umber of ori#ins

Example% triceps&tree eads'

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Naming of Skeletal Muscles

(ocation of te muscle,s ori#in and insertion

Example% sterno&on te sternum'

Sape of te muscle

Example% deltoid&trian#ular'

Action of te muscle

Example% flexorand extensor&flexes orextends a bone'

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Head and Neck Muscles

1ig#re 6.47

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Trunk Muscles

1ig#re 6.46

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Deep Trunk and Arm Muscles

1ig#re 6.48

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Muscles of the elvis! Hip! and Thigh

1ig#re 6.49$

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Muscles of the "o#er "eg

1ig#re 6.20

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Superficial Muscles$ Anterior

1ig#re 6.24

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Superficial Muscles$ osterior

1ig#re 6.22