The technology sends electrical impulses deep into your muscle fibres through an individually adjustable electrode vest. The vest is integrated with 8 electrodes which stimulate all body parts simultaneously: Arms, legs, chest, abs, back, hips and buttocks. Body20's unique and intense, full-body,20 minute personal training session offers the most advanced and effective muscle strengthening, body-shaping, cellulite reducing and weight-loss program available and will maximize the achievement of your fitness goals as One 20 Minute Body20 session is equal to 4-8 hours of training in a conventional gym. We also make use of InBody technology to accurately track body composition from week to week, free of charge, so that you will never be in doubt of your progress here at Body20. The InBody machine makes use of electrical frequencies to measure body fat, skeletal muscle, protein and mineral content and much more.