| Question | Answer |
| Posterior Cervical Region Neck Muscles | trapezius, levator scapula, splenius group (cervicis & capitis), semispinalis capitis, suboccipital group |
| obliquus capitis inferior | a-rotates head to same side
o-sp of C2
i-tp of C1 |
| obliquus capitis superior | a-extends head, rotates head posteriorlaterally
o-tp of C1
i-occipital bone b/t superior and inferior nuchal lines |
| rectus capitis posterior major | a-extend head, rotate to same side
o-sp of C2
i-lateral portion of inferior nuchal line of occiput |
| rectus capitis superior minor | a-extend head, rotate to same side
o-posterior arch of C1
i-medial part of inferior nuchal line |
| sternocleidomastoid | a-uni-lat flex head to same side, rotate head to same side
bi- flex head
o-sternal-manubrium
clavicular-medial portion of clavicle
i-mastoid process of temporal bone |
| scalenes | a-uni-lat flex head
bi-flex head
o-tp of c2-c7
anterior-c3-c6
middle-c2-c7
posterior-c4-c6
i-anterior and middle-first rib
posterior-second rib |
| brachial plexus | exits the neck b/t the anterior and middle scaliness. Distal to this pt it travels b/t the clavicle and first rib, then deep to pectorals minor to the axilla. |
| cranial vault | frontal, parietals, temporals, occipital, sphenoid, ethmoid |
| facial bones | zygomas, maxillae, mandible |
| sutures | coronal-b/t frontal and parietals
saggital-b/t parietals
lamboidal-b/t occipital and parietals
squamosal-b/t temporal and parietals |
| masseter | a-elevate mandible, protrusion of mandible, side to side chewing
o-zygomatic arch (maxilla, zygoma, temporal)
i-angle and ramus of mandible |
| temporalis | a-elevation of mandible, retraction of mandible
o-temporal fossa (includes frontal, parietal, temporal and sphenoid greater wing)
i-coronoid process of mandible |
| ptergoids | medial-elevation of mandible (protrusion and side to side)
lateral-depression of mandible (protrusion and side to side) |
