i'm 16 and summer break is near, and i want to tone my quads,glutes,and legs(calves) and lose inches in my .So how long will i have to be on the treadmill with what incline and how many times a week.I also plan on jump roping so will that also help me with toning up.I plan on cutting out junk food like chips etc.Also those doing all of these thing tone your body up over all