Muguras virspusējie muskuļi

Question 1

1. slānis
   M. trapezius

Answer 1

origo - protuberantia occipitalis externa, linea nuchalis superior, lig. nuchae, krūšu skriemeļu processus spinosus
Insertio - spina scapulae, acromion, extremitas acromialis claviculae

Question 2

1. slānis
   m. latissimus dorsi

Answer 2

Origo - crista iliaca; fascia thoracolumbalis; processus spinosus vertebrae thoracicae VII-XII; IX-XII ribas ārējā virsma
Insertio - crista tuberculi minoris humeri

Question 3

2. slānis
   M. rhomboideus minor

Answer 3

Origo - processus spinosus vertebrae cervicales VI-VII scapulae
Insertio - margo medialis
Funkc. - ceļ scapulae un tuvina to mugurkaulam

Question 4

2. slānis
   m. rhomboideus major

Answer 4

Origo - processus spinosus vertebrae thoracicae I-IV
Insertio - margo medialis scapulae
Funkc. - ceļ lāpstiņu un tuvina to mugurkaulam

Question 5

2. slānis
   m. levator scapulae

Answer 5

Origo - processus transversus vertebrae cervicalis I-IV
Insertio - angulus superior scapulae
Funkc. - ceļ lāpstiņu

Question 6

3. slānis
   m. serratus posterior superior

Answer 6

Origo - processus spinosus vertebrae cervicalis VI-VII un vertebrae thoracice I-II
Insertio - II-V ribas ārējā virsma
Funkc. - ceļ ribas, ieelpas muskulis

Question 7

3. slānis
   m. serratus posterior inferior

Answer 7

Origo - processus spinosus vertebrae thoracicae XI-XII; vertebrae lumbales I-II
Insertio - IX - XII ribas ārējā virsma
Funkc. - velk ribas uz leju; izelpas palīgmuskulis