Focus on getting the triceps pumped to hell with these, to the tune of 4 sets of 15-20 reps.
You want a smooth transition from the pullover into the press part. No pausing at any point. We want to let the metabolites really accumulate and focus on creating significant metabolic stress, which is why the rest period between sets is only 60 seconds.
She did 15 minutes on the elliptical trainer. Then she did arm curls, leg extensions, straight leg raises, and side bends-lots of side bends. In short, she was doing everything wrong.
Get bigger legs when you can't squat. Build muscle when you can't even hold on to weights. Get leaner when cardio stops working. Nick T. shows you how.