Depending on the region being treated and goals of the treatment session, your experience with IASTM or FAKTR may range from light strokes on the skin to deeper structure treatment. This may be painful, but it is a controlled stressor designed to promote proper healing rather than further damage. The most common response is a gentle reddening of the skin known as hyperemia, due to an influx of blood flow and disruption of small, superficial capillaries.