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.
A good start to building size, thickness and definition of the chest would be with the bench press. This is one of the most effective exercises for firming the pectorals or chest muscles.It is also a compound exercise meaning it works multiple muscle groups at once. good start to building size, thickness and definition of the chest would be with the bench press. This is one of the most effective exercises for firming the pectorals or chest muscles.