Posterior Neck Flashcards
Splenius Capitus
O: Ligamentum nuchae and SP of C7-T4
I: Mastoid process (temporal bone); Lateral superior nuchal line (occipital bone)
N: Cervical PPRs
A: Unilateral - Lateral flexion; Ipsilateral rotation
Bilateral - Cervical/Capital Extension
Splenius Cervicis
O: Ligamentum nuchae, SP T3-T6
I: Transverse Processes C1-C3 (sometimes C4)
N: Cervical PPRs
A: Unilateral - Lateral flexion; Ipsilateral rotation
Bilateral - Cervical/Capital Extension
Obliquus Capitus Inferior
O: Spinous Process C2
I: Transverse Process C1
N: Suboccipital Nerve (C1)
A: Ipsilateral Rotation of head
Rectus Capitus Posterior Major
O: Spinous Process of C2 (Axis)
I: Inferior nuchal line of occipital bone
N: Suboccipital Nerve (C1)
A: Trail Guide - Rock and Tilt head into extension, ipsilateral rotation
Another Version - Ipsilateral rotation (unilateral); Occipital extension (Bilateral)
Rectus Capitus Posterior Minor
O: Tubercle of posterior arch of C1 (Atlas)
I: Inferior nuchal line of occipital bone
N: Suboccipital Nerve (C1)
A: Rock and tilt head into extension (TRAIL GUIDE)
Extension (another version)
Obliquus Capitus Superior
O: Transverse process of C1 (Atlas)
I: Occipital bone between superior and inferior nuchal lines
N: Suboccipital Nerve (C1)
A: Lateral flexion of head
Temporalis
O: Temporal fossa and fascia
I: Coronoid process and (anterior) ramus of mandible
N: Trigeminal nerve (CN V)
A: Elevate mandible closing jaw (TMJ), posterior fibers retract mandible
Masseter
O: Zygomatic Arch (and Process)
I: Ramus (and angle) of the mandible
N: Trigeminal nerve (CN V)
A: Elevate mandible (TMJ) closing jaw; Contributes to protrusion
Medial Pterygoid
Lateral Pterygoid