Lab Notes

How any of this actually works.

The Lab Notes

Everything we do here, explained. No held-back secrets and nothing you have to buy to understand it. If you want to run this yourself, these pages tell you how.

The Method · 5 min read

You cannot feel how hard you are working. The research has tested it for thirty years.

People misjudge their own effort in almost every study that has tested it. Here is what the research found, and what we measure instead.

The Basics · 6 min read

Strength training or cardio: which one matters more for fat loss and for living longer

The questions I get asked most, answered with the research: strength training or cardio for fat loss, for longevity, and for staying uninjured.

The Basics · 6 min read

Why we measure your grip, your balance, your heart rate and your posture

The six markers in the Longevity Analysis, and the research that ties each one to how long people live.

The Basics · 5 min read

Muscle starts leaving at 30, and it answers training at any age

When muscle and strength start to decline, why strength goes first, and what the research says about building it back at any age.

The Research · Reference

Every claim we make, and the study behind it

One line per finding, with the study, who was in it and a link to the published paper.

The Basics · 5 min read

How your muscle actually works, and why most of your reps build nothing

Your muscle is thousands of separate bundles, and your body will not use the large ones unless it has to. The three ways to switch them on.

Post-Rehab · 5 min read

Your physical therapy ended. Now what?

Finished physical therapy, or training around an old injury or a disability? Corrective exercise and strength training in La Habra, CA. The screen is free.

The Method · 6 min read

Why more is not better, and what makes a repetition actually count

Most of the reps people do in a gym build nothing. Two things have to be true for a repetition to count, and you cannot feel whether they were.

Conditioning · 4 min read

Your conditioning is built into the lifting, and your resting heart rate comes down for it

No treadmill and no separate cardio session. How conditioning is built into the lifting, and why your resting heart rate comes down for it.

Movement · 4 min read

Range of motion is a strength result, not a stretching result

Stretching changes what a stretch feels like. Loading a joint through its whole range is what gives you strength where you had none.

Bone Health · 6 min read

Bone density after menopause, and why lifting is what actually loads bone

Osteopenia and osteoporosis follow the menopause transition on a known schedule. Why bone responds to heavy load, and why walking and light weights do not reach it.

Men Over 40 · 6 min read

Low testosterone, and what strength training actually does about it

Told your testosterone is low? What strength training actually does for a man in his 40s or 50s, and what the research shows about muscle, fat and the hormone itself.

Fat Loss · 6 min read

How to lose fat without losing muscle, and what decides which one comes off

Dieting and cardio take muscle off along with the fat. Strength training decides what kind of weight you lose. What the research found, and what we measure.

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