Lumbar hernias occur through defects in the lumbar muscles or the posterior fascia, below the 12th rib. Patients with lumbar hernias can present with a variety of symptoms, including a back pain, bowel obstruction (if contents contain bowel), or urinary obstruction (if contents are kidney / ureter).
Late adulthood is the time of life after age 65. During this time, people go through many changes in their physical appearance, including an increase in wrinkles due to less elastic collagen, a decrease in muscle mass, and a loss of height.
Adolescence is the time between childhood and adulthood - between the ages of 12 to 18-- that is marked by growth and change, and physical and emotional development. The physical and mental changes are predictable, but that doesn't make this age group any easier to understand and communicate with.