Basic Anatomy Is the head bone connected to the neck bone? Or, is the metatarsal connected to the tarsal? Find out by "boning up" on your basic anatomy. Orthopedic Tests & Procedures Your health care provider has a number of tools available to help diagnose and treat your orthopedic problem. Orthopedic Conditions & Disorders Head and shoulders, knees and toes—your skeleton and its supporting cast of ligaments, tendons, and muscles can face a range of conditions. Arthritis & Rheumatic Disorders Arthritis, which causes pain, inflammation and limited movement of joints, has several different forms. Osteoporosis Osteoporosis thins and weakens bones to the point where they break easily. Chances are you know someone with osteoporosis; it affects millions. Fractures When you break a bone, you may need a cast or crutches to help you heal. Sometimes a break is a sign of a more serious problem. Sports Injuries Even if you're in good shape, an exercise-related injury can strike when you least expect it. Preventing Injuries at Work Repeating a particular motion constantly, like using a computer mouse, can cause damage to tendons, muscles, and joints. Orthopedic Conditions and Children Certain orthopedic conditions are present at birth or develop during childhood. Here's a look at some of the more common ones.