Strength, functional strength, and hypertrophy

I’ve been lifting weights regularly for at least 25 years–shortly after we got married I convinced Jackie to start lifting with me, and we lifted together all those years until we moved and let our membership in the fitness center in our old neighborhood lapse.

Any time during that period, if you’d asked me what my goals were, I’m sure I’d have told you that functional strength was what I was going for. I’d have just called it strength, but functional strength is what I’d have meant: The ability to do things that took muscle power—to pick up heavy things, carry heavy things, climb stairs with heavy things, etc.

The actual exercises I did, mostly with machines, were poorly selected for developing that strength, but that’s just because I didn’t know better, not because I was secretly going for something else.

As a secondary goal I’d have told you I was interested in the general health benefits of being strong—stronger bones, more metabolic activity, etc. Once I learned about lower insulin resistance I’d have included that.

One thing I was never interested in was hypertrophy. That is, I was only interested in bigger muscles to the extent that they’d be stronger and provide the associated metabolic advantages. If I could have gotten that with small muscles, I’d have been totally fine with that. In the privacy of my own brain, I was even a little disdainful of people who lifted for the aesthetics of having bigger muscles.

I did know that stronger muscles and bigger muscles pretty much go together. Competitors in sports that involved moving your own body—and especially sports that involve your body up a hill or mountain—have always sought ways to make their muscles stronger without making them (much) bigger. It’s possible—just barely, at the margins, to a limited extent—but by and larger getting stronger means getting bigger.

I mention all this because I’ve taken an interest in hypertrophy, for a very specific reason: At my last physical, my doctor suggested that I should quit losing weight.

I’m not quite sure why—I’m just about at the mid-range for “healthy weight” (based on BMI, which has its flaws, but which probably provides pretty good guidance in my case) and well above underweight. Maybe he was just concerned in case I wasn’t in control of my weight loss. Maybe he was worried that I might be losing muscle as well as fat. I’ll ask him at my next physical.

At any rate, that left me with a minor dilemma. My weight, at the midpoint of the healthy range, is just where I want it. (Even before my doctor mentioned it, I had already decided to quit losing weight, when I realized that if I lost much more weight I’d no longer be size “medium” and would start being size “small,” and I didn’t want to be small.)

However, I still have more subcutaneous fat than I’d like. To lose that fat without losing weight, really my only option is to build more muscle.

So, for about a year now I’ve been working on that, with pretty limited success. Hypertrophy is hard. It’s also harder to measure than weight, which makes it hard to know if I’m having any success or not. In fact, I haven’t even tried to measure my muscle hypertrophy. (Measuring my chest and biceps and such puts me a little to squarely in the group that I mentioned being privately disdainful of, although I probably ought to get over it.)

In any case, so far I’m sticking with just measuring strength and figuring that hypertrophy will follow.

And let me reiterate just how weird it feels to have even this much of a focus on hypertrophy.

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