Pain is aggravated by damp weather, cold and rest; it improves by changing positions and warm dry weather. Periosteum and the tendons. Joint pain aggravated by cold damp weather, stormy weather, pain of the lumbo-sacral region and knees, feeling of articular weakness as if the joints were about to give away. Disease of muscle, tendon, joint, bone or nerve, resulting in discomfort and disability. It is often used to include rheumatoid arthritis, degenerative, myositis, neuritis, lumbago, sciatica and gout. Inflammation of joints.