Heel strike running appears to be the root of running injury. Knee injury can be easily avoided with forefoot running barefoot or in barefoot like running shoes.

How Runners Can Reduce ACL Knee Pain Symptoms
Many runners with ACL knee pain symptoms heel strike and strike the ground with less knee flexion — a risk factor for knee osteoarthritis. However, forefoot running in barefoot running shoes promotes adequate knee flexion and may improve knee function.