spine Flashcards
attachments of sternocleidomastoid
- sternum/clavicle
- mastoid process
actions of sternocleidomastoid
bilaterally flexes neck, unilaterally rotates to opposite side
nerve for sternocleidomastoid
Cranial nerve 11
CN XI
attachments for scalenes
- cervical transverse processes
- first and second rib
actions of scalenes
bilateral neck flexion and unilateral bending
nerves of scalenes
c3- c7
attachments for rectus abdominus
- pubis
- Xiphoid and costal cartilages of ribs 5-7
actions of rectus abdominus
trunk flexion
nerve for rectus abdominus
7-12 intercostals
what muscles are in the prevertebrals
- Rectus capitus lateralis
- Rectus capitus anterior
- Longus capitus
- Longus coli
what is the purpose for the prevertebrals
Very close to spine on anterior
side: these muscles work to
maintain head in upright
posture as in “tucking” the
chin
what muscles are in the suboccipitals
- Oblique capitis superior
- Rectus capitis posterior minor
- Oblique capitis inferior
- Rectus capitis posterior major
whats the purpose of the suboccipitals
Rock the head back in extension as in nodding “yes”
what are the suboccipitals
Small muscles in upper posterior cervical spine
attachment for external obliques
1.lateral lower 8 ribs
2. Iliac crest, linea alba