In one of his training videos, AthleanX founder, Jeff Cavaliere makes an interesting comment about biceps training, “Efficiency is what… — In one of his training videos, AthleanX founder, Jeff Cavaliere makes an interesting comment about biceps training, “Efficiency is what the body craves, inefficiency is what is needed for muscle growth”. What he means is that the body is looking for easier ways of doing — in this case —…