Pain felt in your feet, legs, back, shoulders, and neck may originate from your spine. The pain could be present while you sit, walk, or exert yourself. It may be dull, jolting, or even stabbing. However the pain presents itself, it minimizes the quality
measure blood within the skin, the detection system is configured to measure absorption of hemoglobin in the wavelength range between 700 and 1300 nanometers, and the processor is configured to compare the absorption of hemoglobin between different spatial locations of tissue and over a period of ...