medsurg11 exam 2 study guide.

CHAPTER 41 MANAGEMENT OF PATIENT WITH MUSCULOSKELETAL DISORDERS Low Back Pain Generally, back pain due to musculoskeletal disorders is aggravated by activity, whereas pain due to other conditions is not. Pathophysiology Vertebrae- rigid units intervertebral discs- flexible units Obesity, postural problems, structural problems, and overstretching of the spinal supports may result in back pain The lower lumbar discs, L4–5 and L5–S1, are subject to the greatest mechanical stress and ...