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Anterior Neck Muscles
anterior neck muscles
16
Anatomy
Graduate
09/21/2013
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Term
Anterior Neck Muscles
 Definition
  • Sternocleidomastoid
  • Anterior, Middle, and Posterior Scalene
  • Longus Capitis
  • Longus Colli
  • Rectus Capitis Anterior
  • Rectus Capitis Lateralis
Term
Sternocleidomastoid Attachment
 Definition
  • Mastoid Process
  • Superior Nuchal Line (Occiput)
  • Manubrium of the Sternum
  • Medial 1/3 of the Clavicle
Term
Sternocleidomastoid Movement
 Definition
  • Cervical I-V Joint
  • Extension (upper cervical I-V, A-A, A-O joints only)
  • Flexion (mid-low cervical I-V joints)
  • Sidebend to the same side
  • Rotation to the opposite side
Term
Sternocleidomastoid Nerve Innervation
 Definition
  • Motor: Spinal portion of (Spinal) Accessory Nerve (CN XI)
  • Sensory: C2-C3
Term
Scalene Muscles Attachments
 Definition
  • Anterior
    • Transverse Processes C3-C6
    • Medial Portion 1st Rib
  • Middle
    • Transverse Processes C1-C6
    • Central Portion 1st Rib
  • Posterior
    • Transverse Processes C5-C6
    • 2nd Rib
Term
Scalene Muscle Movements
 Definition
  • Cervical I-V joint movements
    • Sidebend (All 3)
    • Flexion (Anterior & Middle)
    • Rotation to opposite (Anterior)
  • Other Movements
    • Elevation of 1st Rib during inhalation (Anterior & Middle)
    • Elevation of 2nd Rib during inhalation (Posterior)
Term
Scalene Muscles Nerve Innervation
 Definition
  • Ventral Rami Cervical Spinal Nerves
Term
Longus Capitis Attachments
 Definition
  • Transverse Processes C3-C6
  • Occiptial Bone
Term
Longus Capitis Movements
 Definition
  • Cervical I-V Joint Movement
    • Flexion
    • Sidebend
Term
Longus Capitis Nerve Innervation
 Definition
  • Ventral Rami C1-C3
Term
Longus Colli Attachments
 Definition
  • Anterior aspect Vertebral Bodies and Transverse Processes C3-T3
  • Anterior aspect bodies of C1-C4
  • Transverse processes of C5-C6
Term
Longus Colli Movements
 Definition
  • Cervical I-V joint
    • Flexion
    • Sidebend
Term
Longus Colli Nerve Innervation
 Definition
  • Ventral Rami C2-C6
Term
Rectus Capitis Anterior & Lateralis Attachments
 Definition
  • Transverse Process C1
  • Occipital Bone
Term
Rectus Capitis Anterior & Lateralis Movements
 Definition
  • A-O Joint
    • Flexion (Anterior)
    • Sidebend (both -- minimal anterior contribution)
Term
Rectus Capitis Anterior and Lateralis Nerve Innervation
 Definition
  • Ventral Rami C1-C2
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