About BTL Industries. Founded in 1993, BTL Industries is a privately owned developer and manufacturer of medical and aesthetic equipment. BTL currently has over 900 employees and direct offices in more than 51 countries. BTL Aesthetics, a division of BTL, has revolutionized the way to non-invasively remove adipose tissue; it currently ranks 2nd among the non-invasive body shaping and tightening manufacturers globally.
A Well-Defined Chest Routine. 1  1. Do exercises that work the whole chest such as pushups, barbell bench presses, dumbbell bench presses, dumbbell flyes and cable flyes. Perform these exercises to trigger muscle fibers throughout your pectoral muscles and get an all-around stronger, more defined chest.
Triceps. A simple exercise that you can carry out at home is to move one hand behind the back while holding one handle of a chest expander. Hold the other handle with the other hand at the lower back and then try to extend the upper hand as far as you can.ectorals. When pulling a chest expander outwards, the pectorals (chest muscles) also benefit. To achieve the best results, hold this exercise equipment at the shoulder level and then pull it to the limit. This motion works the upper part of the chest creating chest flexion.