Discomfort needs to be managed. The load in the plantar fascia needs to be alleviated and healing needs to be promoted. An essential part of lessening the load is the stretching of the muscles at the back of the lower leg. A variety of research investigations have shown that it is very helpful, so it is an integral part of the approach. https://www.blogarama.com/health-and-fitness-blogs/1354309-FootStoreau-Blog/68985433-should-you-use-night-splints-for-plantar-fasciitis