What you think about is important, not only in life, but training as well, because it literally has the power to manifest physical change. As I’ve said before, bodybuilders are the original “biohackers” as they are always looking for ways to push the boundaries of what is possible and consistently improve their performance. It is from their tireless effort that we get the mind/muscle connection, or thinking about the muscle helps it grow exponentially more than just placing it under tension alone.

Why?

It comes down to the fact that the mind is the sum total of the central nervous system functioning, whereby its endocrine secretion is called a thought. That secretion can directly affect cellular activity and protein formation, which, very simply, means a thought has a tangible action. It may sound woo but there is research to back it up. 

A study reported in the New Scientist entitled Mental Gymnastics Increase Bicep Strength took ten volunteers and asked them to imagine flexing one of their biceps as hard as they could for five times a week. The researchers recorded electrical brain activity during the participants sessions and assessed their muscular strength every two weeks. Those who only imagined flexing, increased their biceps strength by 13.5% in just a few weeks, compared to the control group.1

The power of thought can go a long way. Take a look at another study published in the Journal of Neurophysiology that had subjects divided into three groups. The first was asked to exercise by contracting and relaxing one finger on their hand for five sixty-minute training sessions a week for four weeks. A second group, following the same training schedule, was instructed to only mentally rehearse the same exercises, without physically activating any muscle in their finger. The control group neither thought about, nor exercised their finger outside of their daily routines. At the end of the study, researchers found that the group who actually did the the physical exercises exhibited a 30% gain in strength over the control group. No shit, right?! Well, the crazy part is that the second group, who only mentally rehearsed the exercises, demonstrated a 22% increase in muscle strength over the control group!2 The mind produced a quantifiable affect on the body. 

None of this is meant to say that simply thinking about an outcome is going to be a substitute for doing the work, but that if you combine both intent and physical effort you can create the best outcome. 

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1. Cohen, Philip, “Mental gymnastics increase bicep strength.” New Scientist (21 November 2001)

2. Yue, G., and K. J. Cole, “Strength increases from the motor program: comparison of training with maximal voluntary and imagined muscle contractions.” Journal of Neurophysiology, vol. 67(5): 1114–1123 (1992)