OUTLINE

TRUNK & SPINE

 

I. Trunk Movements

A. Atlantooccipital

1. flexion/extension

2. limited rotation

B. Atlantoaxial

1. rotation

C. Spine as a whole - articulations include those between the vertebrae and the intervertebral cartilage and the articulating facets of adjacent vertebrae

1. flexion/extension/hyperextension

2. lateral flexion

3. rotation

II. Muscles

A. Trunk

1. Back Extensors

a. Erector Spinae

1. Iliocostalis

2. Longissimus

3. Spinalis

b. Transversospinalis

1. Semispnalis

2. Multifidi

3. Rotatores

c. Interspinales

d. Intertransversarii

 

2. Serratus Posterior Superior

3. Serratus Posterior Inferior

4. Quadratus Lumborum

 

B. Head

1. Extensors

a. Splenius Capitis

b. Splenius Cervicis

 

2. Flexors

a. Sternocleidomastoid