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.
Emerging Adulthood is defined as the period of life from about age 18 through age 25, during which young people are exploring the possibilities of their lives and beginning to define themselves as adults, rather than teenagers. This article defines Emerging Adulthood, and explains why it is a relevant concept in educational psychology. It cites authors using emerging adulthood as a framework to study mental and physical health, drug and alcohol use, and identity and personality formation. It also cites references assessing emerging adulthood in a range of cultures.