Lordosis (excessive curvature of the lumbar spine) is a common finding in pregnancy and in toddlers. Kyphosis (excessive curvature of the thoracic spine) is a common finding in the older adults. Scoliosis (lateral curvature of the spine) is always abnormal.
Assessing skin turgor should be done by gently pinching/lifting the skin on the sternum. If the skin "tents," (i.e., stays lifted for a prolonged period and doesn't quickly return to its original place) it could indicate dehydration.