Ok , I use to bike , run a little and dream about swimming . that be before get married and the kid . well , I have hit the age where they tell you you will lose 1 pound of muscle per year . thanks for all that . for I to work my upper body , I have push up bar , a assortment of 40 pound weight , some stretch cable - all of which I have not use for more than 3 year . I need a quick workout to maintain tone . I just open the package 10 minute ago and do the 3 exercise for about five minute . holy Batman ! it work . maybe , it be because I use to work out a little when I be younger -lrb- muscle memory -rrb- . but the blood be back in those muscle , my pec , delt , lat , biceps and forearm . it be true that balanced workout work both side of the muscle . I could never do that with conventional weight or by do pushup . for a busy person - this be a quick way to maintain tone . highly recommend ! -lrb- note : not that I think only my opinion matter , but a lot of review seem to be sabotage review or fake complaint . this product would not have make it to market if it do not work , no matter how `` as see on tv . '' -rrb- thanks Amazon , you make it so easy to buy . I want to work for Amazon .