Cushioned running shoes are actually un-protecting runners from injury by causing more impact at landing and more physical stressors during the stance phase of running. Below reveals decades of research proving that cushioned running shoes are a continuous mechanical interference that not only causes long-lasting damage to the shin and knee, but is equally damaging to your feet and overall running form.

Heel Strike Impact Remains Unchanged In Soft or Hard Running Shoes
Clarke et al., found that impact remained unchanged whether runners used soft, or hard running shoes. The impact was unchanged because the runners ran with a heel strike, not a forefoot strike.