Pec Deck Muscles Worked Pec deck uses only one joint, and is, therefore, considered ideal for isolation exercise. The machine is more like a stabilizer that impacts: Pectoralis Major The pectoralis is attached at the clavicle, near collar bones and sternum, which is the bottom of the breastbo...
and you’ll want to have the machine’s arms set at a high angle. Take hold of a handle in each hand and keep a small bend in your elbows. Then, move your arms down and towards each other, letting your wrists cross. Pause and contract the chest muscles before returning to the start...