The exercise peck deck machine primarily works the muscles Chest and secondarily works the muscles Anterior deltoid (front), Biceps brachii.

Proper position Sit on the machine and adjust it so that your upper arms are parallel to the floor and your back is straight and against the seat. Grab the handles. Movement Slowly bring your arms back to center. Hold this position for a second and slowly return to the starting position. Breathing Inhale while bending. Expires during expansion.

Proper position Sit on the machine and adjust it so that your upper arms are parallel to the floor and your back is straight and against the seat. Grab the handles. Movement Slowly bring your arms back to center. Hold this position for a second and slowly return to the starting position. Breathing Inhale while bending. Expires during expansion.