Your spine is made up of 33 bones called vertebrae. They are stacked on top of each other. The lumbar spine is your lower back. And the sacral spine is below that, in your pelvis. The vertebrae support and protect your spinal cord.
Ligaments are strong bands of tissue that add strength and give stability to a joint. The medial and lateral collateral ligaments of the knee can be damaged when the knee is hit on the outer side, as can occur in football or hockey. This video looks at how these injuries are treated and what can be done to prevent them.
Back pain is one of the most common health problems today. In fact, most people experience back pain at some point in their lives. Normal aging and some physically demanding occupations often cause discs to wear out. Bad posture and poor movement patterns can speed up the process.
Osteoarthritis of the AC joint in the shoulder is common in middle-aged or older adults. This video explains how this condition develops and how you can minimize its effects.
Osteoarthritis most commonly affects the knees, hips, spine, and other weight-bearing joints in the body. Sometimes called the "wear and tear" arthritis, advancing age is a risk factor, but so are obesity and severe injury to the joint. This video discusses the symptoms, treatment, and steps you can take to minimize pain from osteoarthritis.