Hoist Roc-It Selectorized Pec FlyEach exercise arm has dual pivots for user defined exercise pathSwiveling handles self align to the users wrist during exerciseStarts with the exercise handles positioned at the upper chest level, then rocks rearward which recruits the mid and low chest muscles during exercise movementDesigned to reduce the stresses placed upon the anterior shoulder capsule associated with horizontal extension and internal rotation of the armRatcheting seat adjustment