I have a question about complex-based workouts like Real Fast Fat Loss. See with these huge combo movements I can only use FAR lest weight than I could with each individual move, since one exercise will be a limiter (usually the shoulder exercise part of the complex). So I feel I'd never be lifting HEAVY the whole program. Is this a problem or is the goal simply to get HR up and weight doesn't matter?
Also, in CT's lactic acid sessions is the goal simply to elevate HR or is the burning feeling more important? I find my muscles can be burning but my breathing is not that heavy...
Finally, is it better to design a program with 1-3 full days devoted to complexes, or can one make the same progress by lifting heavy and following the heavy workout with 1 complex circuit (say about 7-8 min). What is the best format? Do the complexes only work if they are done for a consecutive amount of time? What is the min. time to make them effective?