what are 4 main muscle actions involved in running?

Question

When you run what muscles are used and how?

Answer 1

it would take several pages to fully answer this question but the muscles used are basically every muscle in the body to some degree.

Answer 2

the 4 major muscle groups are calves, thighs, hip flexor and rear muscle groupings usually refered to as the hamstring. Further propulsion is gained by achilles heel groupings.

Answer 3

heart, quads, hamstrings, calves, glutes, inner & outer thigh, chest, back. If you want details go to your search engine and type in "running-which muscles are working" and you'll get all that you need and more..