You are wrong:
dsrunner has the day off wrote:
The ACSM guidelines for exercise are not 20'/day.
OP, if you want to refute your friends claims, you simply need to read some exercise science.
And this puts your claims of knowledge of running physiology into question. If you do not know, do not claim that you know.
Guidelines for healthy adults under age 65
Basic recommendations from ACSM and AHA:
Do moderately intense cardio 30 minutes a day, five days a week
Do vigorously intense cardio 20 minutes a day, 3 days a week
Do eight to 10 strength-training exercises, eight to 12 repetitions of each exercise twice a week.
Just ask him to point to a runner that has won a major event or broken a significant record using that kind of training...
Not LSD wrote:
So this guy my wife knows is an ex sci major and he today posts on facebook that if people want to run faster they should only run 20 min a day and do tons of drills and weights because running fast is about stride length and that 20 min is all you need to maximize your aerobic capacity. I have argued this till I am blue any suggestions?