anterolateral neck

• Longus Colli: Thin strap-like muscle running vertically on anterior aspect cervical spine (behind the trachea)

  o & i - upper section: From transverse processes below to anterior tubercle of atlas

  middle section: From vertebral bodies below to vertebral bodies above

  lower section: From vertebral bodies below to transverse processes above

  a - bilateral - neck flexion

  ns - ventral rami c3-6
• Longus capitis: Thin strap-like muscle running vertically on anterior aspect cervical spine (behind the trachea)

  o - transverse process

  r - upwards and medially

  i - anterolateral occipital bone

  a - bilateral - neck flexion

  ns - ventral rami c1-3
• Scalenes:

  o - transverse processes of cervical spine

  r - downwards and medially

  i - anterior and middle - 1st rib

  posterior - 2nd rib

  a - anterior - bilateral - neck flexion, unilateral - ipsilateral lateral flexion & contralateral rotation

  middle & posterior - unilateral - ipsilateral lateral flexion

  ns - ventral rammi cervical spine c3-c8
• Sternocleidomastoid:

  o - 2 heads, sternal head - upper surface manubrium, clavicular head - upper surface medial 1/3 clavical

  r - upwards

  i - mastoid process of skull

  a - assists with respiration

  bilateral - neck flexion

  unilateral - ipsilateral lateral flexion & contralateral rotation

  ns - motor: Spinal part of accessory nerve (cranial nerve 11)

  Sensory: Ventral rami C2,3