Spine Articulations

Cervical


Cervical Spine Flexion

Flexion

Bending the joint resulting in a decrease of angle; moving the spine Forward; the neck (T1-S1) moves toward the chest.


Cervical Spine Extension / Hyperextension

Extension / Hyperextension

Straightening the joint resulting in an increase of angle; moving the spine back; the neck (T1-S1) moves away from the chest.


Cervical Spine Lateral Flexion (Abduction)

Lateral Flexion (Abduction)

Lateral movement away from the midline of the body; moving the spine to the side (left or right); the neck (T1-S1) moves toward the shoulder.


Reduction (Adduction)

Return to the anatomical position from lateral movement; straightening the neck (T1-S1) from lateral flexion.


Rotation

Rotary movement around the longitudinal axis of the bone; turning the spine to the side (right or left); the neck (T1-S1) turns toward the shoulder.


Thoracic, Lumbar


Spinal Flexion

Flexion

Bending the joint resulting in a decrease of angle; moving the spine forward; the thorax moves toward the pelvis.


Spinal Extension / Hyperextension

Extension / Hyperextension

Straightening the joint resulting in an increase of angle; moving the spine back; the thorax moves away from the pelvis.


Spinal Lateral Flexion (Abduction)

Lateral Flexion (Abduction)

Lateral movement away from the midline of the body; moving the spine to the side (left or right); the thorax moves to the side toward the pelvis.


Reduction (Adduction)

Return to the anatomical position from lateral movement; straightening the spine from lateral flexion.


Spinal Rotation

Rotation

Rotary movement around the longitudinal axis of the bone; turning the spine to the side (right or left); the thorax rotates to one side.


Notes

Also see https://www.exrx.net/Articulations/Neck. Mentioned articulations occur during concentric phase of exercise video examples.


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