In acute or chronic rheumatism, with pains disappearing on moving about, severe in the morning after rest and on first rising from a sitting position, we should consider Kali phosphoricum with much greater frequency than we usually do. NECK AND BACK . — (Kali phosphoricum) PARALYTIC OR RHEUMATIC LAMENESS, STIFFNESS AFTER REST, > BY GENTLE MOTION. Rigidity of muscles. EXTREMITIES IN GENERAL . — (Kali phosphoricum) Rheumatic or neuralgic affections of sciatic nerve, > from motion. Paralyzing pains in limbs, > by motion and external warmth. Stiffness with severe rheumatism. AGGRAVATIONS . — (Kali phosphoricum) Beginning to move. AMELIORATIONS . — (Kali phosphoricum)