Final answer:
The condition where a person is unable to move a part of their body or has dizziness or pain in movement could be a sprain, strain, fracture, or arthritis. Arthritis, in particular, is a chronic inflammation of joints that can severely impair mobility and cause pain and swelling.
Step-by-step explanation:
When a person is unable to move a part of their body or is experiencing dizziness or pain in movement, they might be experiencing one of several conditions.
A sprain is an injury to a ligament which is the connective tissue that joins bones together in a joint, typically occurring when a joint gets twisted or bends too far, causing pain and swelling.
Strains are injuries to muscles or the tendons that attach muscles to bones, resulting from overexertion or excessive stretching.
A fracture is a break in a bone that can cause severe pain and immobility, although pain levels can vary greatly among individuals. Arthritis is the inflammation of joints which causes pain, swelling, and reduced mobility and can be very debilitating.
Arthritis is a common culprit for such symptoms, particularly if they are chronic or occur with joint stiffness and swelling. Over 100 different forms of arthritis exist, and they may result from aging, autoimmune diseases, infections, or genetic factors. In severe cases of arthritis where there is extensive damage to the joint, joint replacement surgery may be necessary.