... pains and stiff. Multifunctional Infrared Light Therapy Instrument Lifowave-9350 Broad Applications:lInternal medicine: Acute ... and shoulder strain, frozen shoulder, arthritis, stiff neck, lumbar strain, sciatica, sports injuries, muscle strain, gout, and ... diarrhea, and enuresis, etc.Multifunctional Infrared Light Therapy Instrument Lifowave-9350 Clinical Mechanism:Near infrared light (Wavelength: ...