| Today’s letter |
| Three minutes fast, three minutes slow, and stronger for it |
| On April 24, 1982, Jane Fonda put out a workout tape. She wore leg warmers, the way everyone did then, and she made it partly to raise money for a political cause she believed in. Nobody expected much. The tape went on to sell seventeen million copies, the first home video that was not a movie to top the sales charts. |
| That tape taught a generation of women how to exercise. It also handed them two phrases that stuck for forty years: “feel the burn” and “no pain, no gain.” The message was simple. If it did not hurt, it did not count. You pushed until it hurt, because the hurt was supposed to be the proof. And when your body quit before the results showed up, you blamed the one person you always blame… |
| “Why can’t I push through like everyone else?” |
| You are not a quitter. Think about what you carry: kids, a job, people who lean on you and never lean back. There is more grit in one ordinary week of your life than that tape ever asked for. The one thing you could never do was make the burn pay off. |
| So you followed the advice everyone handed you: go harder, feel the burn, push through the pain. When it left you sore and tired and no smaller, you decided the fault was yours. Not enough willpower, not enough grit, not enough of whatever the women in the videos had. You did what women are trained to do with bad advice. Then you swallowed it and blamed yourself. |
| Here’s what gets me. |
| None of it was your fault. The advice was wrong, not you. |
| Let me show you how I know this. Not with my opinion, but with a study. It comes out of Japan, which is fitting, because the walk everyone is posting about right now started in a lab there. |
| Researchers at Shinshu University took 246 middle-aged and older adults, most of them women in their sixties, and split them into groups for five months. One group kept walking the way most of us are told to, at a steady, moderate pace, day after day. Another group did something different. |
| That second group walked in intervals. For three minutes they walked briskly, the kind of pace where you can talk but not sing, then three minutes easy. They repeated it five times, about thirty minutes, a few days a week. It was the same total time on their feet, just broken into fast and slow. |
| What they found |
| Shinshu University, 2007. Nemoto et al., Mayo Clinic Proceedings. |
| The steady walk (almost no change) |
| Those who kept one steady, moderate pace showed almost no gain in strength, in fitness, or in blood pressure. They put in the steps. Their bodies barely answered. |
| The interval walk (stronger, fitter) |
| Interval walkers came out ahead on every measure. Thigh strength rose by as much as 17 percent. Peak aerobic capacity climbed about 9 percent, and resting blood pressure fell. Same minutes, gentler effort, more to show for it. |
| Here, the gentler walkers got more back, in the very same half hour. |
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| In other words… you were never too weak to get results. You were pointed down the harder path when the smarter one worked better. |
| Your willpower was never the missing piece. It never is, for any of us. |
| So why would a gentler walk build more strength than a harder one? |
| The answer is in how muscles wake up. A brisk three-minute push asks your legs and heart for a little more than they are used to, so they adapt and grow stronger. The easy three minutes lets them recover, which is why you can push again. A flat, steady pace never asks for that extra effort, so the body has no reason to change. None of it rewards suffering. What matters is giving the body a reason to grow, then the room to do it. |
| You never stood a chance with the burn. Neither did anyone else who believed it. |
| That’s the part no one says out loud… the advice failed you, not the other way around. |
