A 68-year-old retired woman has chronic joint pain in both knees and hips.She does not have osteoarthritis but is overweight and sedentary.While she believes she needs to convince her orthopedic surgeon that she should be considered a candidate for joint replacement surgery,her neighbor,a perioperative orthopedic nurse,is teaching her about the role of cartilage in the joints and how to prevent further injury.The neighbor has convinced the patient to join her in stretching exercises and a daily walk through the neighborhood.This program can help prevent degenerative conditions because:

Question

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Weight-bearing activities and joint movements keep cartilage from becoming thin or damaged and help prevent degenerative conditions.Cartilage is aneural (without nerves),alymphatic (without lymph tissue),avascular (without blood vessels),and high in water content.The lack of vascularity and loss of water from cartilage during a lifetime are causes of resulting degenerative disease,such as arthritis.

A 68-Year-Old Retired Woman Has Chronic Joint Pain in Both