Fascia is very adaptable. If you exercise and work out, the fascial system conforms to the need of strength. It produce more collagen and other components according to demand. The fascia will be healthier and more supple if you exercise regularly and moderately. If you overwork, too much, too often, it can result in strain and injury and the fascia gets stiff and unpliable. It also affects by diet, lifestyle, diseases  and mental impact.