Muscle Name: Semispinalis
Medical Name:
Other Names:
- None
Head:
Semispinalis Capitis
Movement:
- Extension of the head and neck (bilateral contraction)
- Tilting the head backward
- Lateral flexion of the head and neck (unilateral contraction)
- Tilting the head to the side
- Rotation of the head and neck (unilateral contraction)
- Turning the head to the opposite side
Attachment:
- Origin:
- Transverse processes of C7-T6 vertebrae
- Articular processes of C4-C6 vertebrae
- Insertion:
- Between the superior and inferior nuchal lines of the occipital bone
Semispinalis Cervicis
Movement:
- Extension of the cervical spine (bilateral contraction)
- Straightening the neck
- Lateral flexion of the neck (unilateral contraction)
- Bending the neck to the side
- Rotation of the neck (unilateral contraction)
- Turning the neck to the opposite side
Attachment:
- Origin:
- Transverse processes of T1-T6 vertebrae
- Insertion:
- Spinous processes of C2-C5 vertebrae
Semispinalis Thoracis
Movement:
- Extension of the thoracic spine (bilateral contraction)
- Straightening the upper back
- Lateral flexion of the thoracic spine (unilateral contraction)
- Bending the upper back to the side
- Rotation of the thoracic spine (unilateral contraction)
- Rotating the upper back to the opposite side
Attachment:
- Origin:
- Transverse processes of T6-T12 vertebrae
- Insertion:
- Spinous processes of C6-T4 vertebrae
Related Muscles:
EXERCISES
COMMUNITY
