I run at 5.3mph, maximum incline for 30 minutes a day 7 days a week. My legs look and feel great.
I run at 5.3mph, maximum incline for 30 minutes a day 7 days a week. My legs look and feel great.
I run 1 mile at 15% at 5mph. This wears me out. But I'm old. Age 44, 3 kids.