I have been lifting for last 13 weeks in an effort to improve my health. I've lost 27 pounds so far (on my way to 60-65). I have been doing the Body-for-Life workout, which is alternating upper and lower body workouts. I typically walk briskly on the treadmill for about 5 minutes before I start lifting. I progressively lift heavier through my sets. I do little to no stretching during or after my workouts.
I want to start the WBB #1 workout on Monday. My questions:
1. Most of the exercises on WWB #1 are 2 sets of 6-8 reps. Should I do a lighter set or sets before lifting heavy? How many sets? Reps?
2. I know that that stretching before my workout isn't the best idea. I've read other threads here that state that others have been stretching after their workout with good results. Should I stretch after (or during) my workout?
3. I really don't know anything about stretching. Can someone provide me some info or a link to something that would help me out?