Cervical Spine Muscles Flashcards
1
Q
Sternocleidomastoid
A
O: Sternum + Clavical
I: Mastoid process
A: Bilaterally: Neck Flexion + head Hyper-extension
Unilaterally: Laterally bends neck, turns head to opposite side
N: CN XI
2
Q
Scalene
A
O: Transverse Process of Cervical Vertebrae
I: 1st + 2nd Ribs
A: Bilaterally: Neck Flexion
Unilaterally: Neck Lateral Flexion
N: Lower Cervical Nerves
3
Q
Splenius Capitis
A
O: Nuchal Line + Spinous Process C7-T3
I: Mastoid Process
A: Bilaterally Extend head + Neck
Unilaterally: Ipsilateral bend + head rotation
N: Middle + Lower Cervical Nerves
4
Q
Splenius Cervicis
A
O: Spinous Process T3-T6
I: Transverse Process C1 + C3
A: Bilaterally: extend neck
Unilaterally: Ipsilateral lateral bend + Head rotation
5
Q
Erector Spine Muscles
A
Iliocostalis Portion
Longissimus Portion
Spinalis Portion
6
Q
Iliocostalis Portion
A
O: Iliac Crest + Lower Ribs
I: Angle of Ribs + Transverse process of Cervical Vertebrae
7
Q
Longissimus Portion
A
O: Transverse process at lower levels
I: Transverse process at upper levels + Mastoid Process
8
Q
Spinalis Portion
A
O: Spinous Process Below
I: Spinous Process Above
A: Bilaterally: Neck + Trunk Extension
Unilaterally: ipsilateral Head rotation + Neck and Trunk lateral bend
N: Spinal Nerves
