myo atlas 5 '04 - wikispaces serratus anter.pdf... · extrinsic muscles – 83...
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82–EXTRINSICMUSCLES
Rightventromedial
Rightdorsomedial
Leftdorsolateral
Leftlateral
Ventrocranial
Rightventrocaudolateral
Leftlateral
Serratus anterior
©1996JonZahourek
EXTRINSICMUSCLES –83
Serratus anterior
ActionsProtractsthescapulaandrotatesitupward.
AttachmentsAxialLateraloutersurfacesofribs1to8or9,interdigitatingwiththeattachmentsoftheexternusobliquusabdominis.PectoralVertebralborderofthescapula.
NoteThenumberofribattachmentsofthismusclewilldependonhowmanylowerribsareusedforattachmentsofthelatissimusdorsi.
suh•rate•usFromtheLatin,“serra”+“atus”,
meaningsaw-like.
an•teer•ee•urLatin,meaningbeforeorinfront.
Dorsal
Dorsocaudal
©1996JonZahourek