It’s impossible to know exactly how much muscle someone can build drug-free, so we approached this problem probabilistically, using published data and a fair amount of math to see how much extra muscle steroids help you build, and to estimate the probability that someone is drug-free based on their degree of muscularity.

## How to Increase Work Capacity

Work capacity is the most important factor in training that people know nothing about. First, let me just start off with a working definition of work capacity and an explanation of why it’s so important. Work capacity is, essentially, the total amount of work you can perform, recover from, and adapt positively to. The total […]