myo atlas 5 '04 - wikispaces serratus anter.pdf... · extrinsic muscles – 83...

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82 EXTRINSIC MUSCLES Right ventromedial Right dorsomedial Left dorsolateral Left lateral Ventrocranial Right ventrocaudolateral Left lateral Serratus anterior ©1996 Jon Zahourek

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Page 1: MYO Atlas 5 '04 - Wikispaces Serratus anter.pdf... · EXTRINSIC MUSCLES – 83 Serratusanterior Actions Protracts the scapula and rotates it upward. Attachments Axial Lateral outer

82–EXTRINSICMUSCLES

Rightventromedial

Rightdorsomedial

Leftdorsolateral

Leftlateral

Ventrocranial

Rightventrocaudolateral

Leftlateral

Serratus anterior

©1996JonZahourek

Page 2: MYO Atlas 5 '04 - Wikispaces Serratus anter.pdf... · EXTRINSIC MUSCLES – 83 Serratusanterior Actions Protracts the scapula and rotates it upward. Attachments Axial Lateral outer

EXTRINSICMUSCLES –83

Serratus anterior

ActionsProtractsthescapulaandrotatesitupward.

AttachmentsAxialLateraloutersurfacesofribs1to8or9,interdigitatingwiththeattachmentsoftheexternusobliquusabdominis.PectoralVertebralborderofthescapula.

NoteThenumberofribattachmentsofthismusclewilldependonhowmanylowerribsareusedforattachmentsofthelatissimusdorsi.

suh•rate•usFromtheLatin,“serra”+“atus”,

meaningsaw-like.

an•teer•ee•urLatin,meaningbeforeorinfront.

Dorsal

Dorsocaudal

©1996JonZahourek