Muscles Of The Cervical Spine: Anterior Superficial Flashcards
Sternocleidomastoid (origin)
Sternum and medial 1/3 of clavicle
Sternocleidomastoid (insertion)
Mastoid process of temporal bone
Sternocleidomastoid (action)
Both muscles: flexion of head and neck
One muscle: lateral flexion (turns face to opposite side)
Sternocleidomastoid (nerve)
Accessory nerve (motor)
Spinal nerves C2 and C3 (sensory)
Sternocleidomastoid (blood)
Superior thyroid
Occipital
Suprascapular
Posterior auricular arteries
Anterior scalene (origin)
Transverse processes of C3 - C6
Anterior scalene (insertion)
1st rib
Anterior scalene (action)
Fixation or elevation of first rib during inhalation
With rib fixed: lateral flexion of neck
Anterior scalene (nerve)
Anterior rami of cervical spinal nerves at origin of muscle
Anterior scalene (blood)
Ascending cervical artery
Medial scalene (origin)
Transverse processes of lower C2-C6 or C7
Medial scalene (insertion)
1st rib
Medial scalene (action)
Fixation or elevation of 1st rib during inhalation
With rib fixed: lateral flexion of neck
Medial scalene (nerve)
Anterior rami of cervical spinal nerves at origin of muscle
Medial scalene (blood)
Ascending cervical artery