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What are the primary motions that the thoracic spine is primarily responsible for?

Which is NOT a key element of good sitting posture? 

This muscle is an effective prime mover for trunk lateral bending, but because of its line of pull has no effect on trunk flexion, extension, or rotation.

Which is NOT true of the Scalene muscles?

Another term used for forced inspiration is: 

Which nerve(s) innervate(s) the internal and external obliques?

This is a common type of fracture seen in those with osteoporosis.

Which muscle is NOT responsible for maintaining the pelvis in alignment and preventing a lateral pelvic tilt? 

A gait pattern characterized by a wide BOS and unsteady, uncoordinated movements is called a:

At what level of the spine does the thyroid cartilage lie?