After my miniscus tear last yr. on the trail,my docs advised me 2 train again b4 i start my hike. So i am on a treadmill,ncline 10,speed 1.8, for 10 mins. 2x's dly. with full pack 65-70Lbs. I also am walking up steep hills here in Philly which is helping,bsides stretching xercises. I am starting April 8th. Any other ideas would b helpful,thank god i am in great shape cept for getting my legs built up again.