Krūšu virspusējie muskuļi, funkcijas. Flashcards

1
Q

M. pectoralis major- lielais krüsu muskulis:

A

*pars clavicularis- atslegas kaula dala
origo - Extremitas sternalis
claviculae
* pars sternocostalis krüsukaula un
ribu dala
origo- Sternum, cartilagines
costarum (II-VII)
* pars abdominalis vêdera dala
origo - Vagina musculi recti abdominis
(priekseja lapina)
insertio (kopigs) - Crista tuberculi maioris humeri
functio (kopigs) -
-Adductio brachii
-rotatio interna brachii (visas dalas);
-flexio brachii (pars clavicularis).
-Ieelpas paligmuskulis.

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2
Q

M. pectoralis minor - mazais krüsu muskulis

A

origo -
II_V ribas areiã virsma
insertio -
Processus coracoideus scapulae
functio -
-Velk plecu joslu uz prieksu un
uz leju.
-Ja lapstina fiksêta, cel ribas uz augsu
-ieelpas paligmuskulis

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3
Q

M. subclavius -
zematslegas kaula muskulis

A

origo -
I ribas augseja virsma
insertio -
Atslegas kaula apakseiã virsma
functio -
Velk uz leju
atslegas kaulu vai cel pirmo ribu.
leelpas paligmuskulis.

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4
Q

M. serratus anterior- prieksejais zobainais muskulis

A

origo -
I-IX ribas areja virsma
insertio -
Margo medialis
et angulus inferior
scapulae
functio -
-Rotatio scapulae et elevatio brachii,
-piespiez läpstinu pie krüskurvia.
-leelpas paligmuskulis.

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