Super slow training isometrics in motion

There has been a lot of press lately about super slow training in every gym from Los Angeles to Moscow. Super slow is a good method of training but all they are doing is influencing you to conduct all your repetitions at a very slow pace. So your reps are a few seconds down and a few seconds up. This is a very familiar technique it is isometric training with range of motion added. The benefit is that you get that burning sensation in your muscles from them running out of oxygen. The drawbacks are that you cannot take the muscle to maximum overload. Remember there are three types of muscle fiber in your muscles that should be stimulated by your training routine. Especially by the resistance portion of whatever routine you are taking part in to stimulate your muscles. Some of these gyms and fitness centers tote the super slow method as the same as doing weights with cardio at the same time. Although you are burning more calories by doing your reps for a longer period of time this is far from "cardio". As we know you need to achieve your target heart rate and I see a serious problem for you to accomplish this while doing slow reps with relatively light weight in a still position. Does this mean that the super slow method is not good at all? No of course not. It is just not the answer to all questions concerning resistance training. I am afraid our bodies are just too complicated bio feed back mechanisms to accept that for an answer. As they say variety is the spice of life and the same holds true with your training.