Soreness needs to be treated. The strain in the foot's fascia needs to be minimized and recovery needs to be promoted. An crucial part of reducing the load is the flexibility exercises of the calf muscles. A variety of research studies have shown that it is very helpful, so it is an important part of the approach. https://www.blogarama.com/health-and-fitness-blogs/1354309-FootStoreau-Blog/68985433-should-you-use-night-splints-for-plantar-fasciitis