Osteopenia is the thinning of bone mass. While this decrease in bone mass is not usually considered "severe," it is considered a very serious risk factor for the development of osteoporosis.
Osteoarthritis is the most common form of arthritis. It is the leading cause of disability in older adults and may affect as many as 27 million Americans.
Scoliosis is a condition that causes the spine to curve sideways. Neuromuscular scoliosis (NMS) is a type of scoliosis that can occur in children who have medical conditions that impair their ability to control the muscles that support the spine.