Carlos! asked:

What is a good thing to do that will bump up your muscle strenght. Without having to buy big expensive workout machines.

Sean’s answer:

Can also do pushups with a filled backpack to add more weight and recreate the experience of lifting heavier weight.

Or do 4 sets of as many as you can for power muscle building...for each set when you can't do more the regular way, do as many on yo... Continue reading »