3 guys sign up for a research study on the muscle building effects of weight training.
None of them have ever lifted weights before, and all three are between the ages of 20 and 21.
At the start of the study they weighed between 130 and 143 pounds (light by North American Standards)
Guy A – 130 pounds
Guy B – 138 pounds
Guy C – 143 pounds
For their given age and weight, each guy has about normal to slightly below average levels of lean body mass (I’m assuming the guys were between 5′6″ and 5′8″).
Guy A – LBM = 121 pounds (about 10% BF)
Guy B – LBM = 118 pounds (about 10% BF)
Guy C – LBM = 132 pounds (about 7.5% BF)
These numbers also make each guy exceptionally lean.
For their given age and weight, each guy has lower than expected levels of skeletal muscle mass. (We would expect about 50% of LBM to be […]

Original post by Brad Pilon

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