Muscle strain, joint inflammation, or nerve-related discomfort such as sciatica or arthritis are common causes of restricted mobility. An anti-inflammatory medication like Ibuprofen or a modest pain reliever like paracetamol can help lessen pain and swelling. A doctor could recommend a muscle relaxant if there is spasm or stiffness in the muscles. Additionally crucial are rest, a warm compress, and mild stretching. See a doctor right once for an accurate diagnosis and course of therapy if mobility is extremely difficult, getting worse, or accompanied by numbness or weakness.