One very popular methodof weight training is to increase mobility and buildstrength and stamina. This method is known as circuittraining. Circuit training has been around for decades andoffers a wide variety of applications and benefits. This workout is performed both mentally andphysically. The weight training participant performsone set of an exercise then immediately performs aset of another exercise in succession without rest;one right after another. Exercise can be sequenced ina variety of combinations, which isolate singlemuscles, a group of muscles, or total body training.
Since muscles can only contract for long periods oftime when sufficient amounts of oxygen are available,mental focus during circuit training is directedtowards the heart and lungs, as opposed just themuscles during conventional training. Thecardiovascular and respiratory systems feed ourworking muscles with oxygen filled blood that iseventually fueled by body fat. During conventional training the focus isn’t on theheart and lungs because the cardio/respiratorysystem rests between exercises, allowing the ATP toLA cycle to be the energy supplier. (This cycle mustbe depleted in order for the body to burn fat). Byperforming circuit training, you don’t give your heartor lungs a chance to relax, which keeps the ATP toLA cycle depleted.
In addition to increasing heart andlung conditioning, enhancing your ability to useoxygen, ad burning fat, impressive muscular shapeand strength gains will result from doing anycircuit-training workout. Research studies consistently show that leans bodymass increases with a course of circuit training. A1-3. 2 kg gain in lean body mass can be expected witha consequent decrease in relative fat mass of 1-3%,total weight remaining unchanged. This is a majorbenefit of circuit training, especially for those whowant to get in shape and tone up their muscles.
Withtraditional aerobic training, a decrease in relative fatmass has led to a decrease in total weight with littlechange in lean body mass. The resistance workinvolved in the circuits encourages muscle-massdevelopment, and thus any fat loss is replaced equallyby muscle gain. This makes it easier to maintain thelower body fat or reduce body fat even furtherbecause the increase in lean body mass pushes upbasal metabolic rate and overall calorie expenditure. These body-composition changes would support theuse of circuit weight training in a health and fitnesssetting where toning up, but not losing weight, werethe major goals. Circuit training is a great form of exercise, will helpalmost anyone improve their health and offers lots ofbenefits.