Lumbar spine osteoarthritis Lupus erythematosus Metatarsalgia Mixed connective tissue disease Motor neuron disease Multiple myeloma Muscular dystrophy Myasthenia gravis Osteoarthritis Osteomyelitis Osteonecrosis Osteoporosis Radial styloid tenosynovitis Raynaud's disease/phenomenon Rheumatic fever Rheumatic heart disease Rickets Sciatica Scleroderma Sjogren's syndrome Soft tissue sarcomas Sprains and Strains Subcutaneous abscess Synovitis Takayasu arteritis Temporomandibular joint (TMJ) syndrome Toxic synovitis