Tears to the lateral collateral ligament most often occur from a direct blow to the inside of the knee. This can stretch the ligaments on the outside of the near too far and may cause them to tear. This type of injury occurs in sports. ...

A Lisfranc joint injury is a type of injury to the bones or ligaments in the middle part of your foot. In this type of injury, there also is usually damage to the cartilage covering these bones.

Lordosis is a deformity of the backbone (spine). It's when the bones of the spine (vertebrae) in the lower back curve inward more than normal.

Everyone has experienced low back pain at one time or another. Most people can recover from low back pain with home treatment, such as changes in activity, weight loss, quitting smoking, and other steps. Sometimes medicine or surgery is ...

Lumbar spinal stenosis is a narrowing of the spinal canal in your lower back that may cause pain or numbness in your legs.