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.
Chest Stretches for Tight or Sore Muscles. It's important to stretch our chest muscles such as the pectoralis muscles because when they are tight, they pull your shoulders inward. This video has three simple stretches to loosen your chest muscles. The first stretch is a corner stretch.Find a corner in your house and place a hand on each corner.t's important to stretch our chest muscles such as the pectoralis muscles because when they are tight, they pull your shoulders inward. This video has three simple stretches to loosen your chest muscles.