You've been trying to build muscle at the gym for months and months now and you aren't seeing any progress. You complain about it to your friend Claudia, who seems to be able to pack on muscle almost without trying. "I don't get it", she says, "look how big my arms and shoulders are, after only a year?" She flexes as you compare your bodies, and you realise with a sinking feeling she is much more built that you. She offers to show you through some exercises, but as she easily tosses the dumbbells around you realise not only is she bigger than you - she's stronger too. What started as a frie... Show more