if i ever have time away from the gym ill use tht time to heal any tendons & ligaments form all the hard lifting tht i do in the gym.. i totally agree tht you can get a fairly good pump from push-up & pull-ups.. but as far as doing those manuvers when i cant go to the gym, i really dont see it benificial as far as real hyperthrophy training to increase what ive already build in the gym.. so the rest time i would rather do instead of those manuvers..

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GO GEAR OR GO HOME !!!