How important are strong quadriceps in running, hamstrings?

Question

How important are strong quadriceps in running, hamstrings?

Answer 1

EXTREEMELYYY IMPORTANTT!!! theyr like the muscles u NEED to run!! u dont realise how much they mean to u until theyr injured! hahahah! i injured both my quads a few weeks ago and it affected my training really badlyy!!!!

consume a lot of calcium so they stay strong and prevent injuries!

Answer 2

I fell and had a dislocated knee. In Rehab it was important to do exercises to strenghten my quads. So, please keep them stretched, and exercised.

Answer 3

quadriceps are the main source of running, there the muscle that bring your legs up, u really work them when you run up hill, hamstrings are very important to, you can really work those by running down hill just becareful when attempting that,