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THE BLOG

Notes from the coaching floor

What we see watching thousands of live reps, and what it means for your training.

strengthcomparisonslive coachinglongevitycardiozone 2beginnerspricingform correctionconsistencybalancehome gymnutritionrecovery
The leucine threshold: why protein timing changes with agelongevity

The leucine threshold: why protein timing changes with age

Older muscle needs more leucine per meal to trigger growth. Here is the threshold, why it climbs with age, and how to clear it across three or four meals.

Muscle is an organ: what it does beyond moving youlongevity

Muscle is an organ: what it does beyond moving you

Muscle isn't only for lifting. It's an organ that clears blood sugar, stores protein for illness, and signals to your bones. Here's how the mechanisms work.

How lifting builds bone: the mechanostat explainedlongevity

How lifting builds bone: the mechanostat explained

Bone remodels only above a strain threshold, which is why walking maintains it but heavy lifting can build it. Here's the mechanism and the trials.

Healthspan vs lifespan: training for the gaplongevity

Healthspan vs lifespan: training for the gap

Lifespan is how long you live. Healthspan is how long you live well. The gap now averages about 10 years, and it responds to training.

Five longevity training myths that will not dielongevity

Five longevity training myths that will not die

Cardio isn't enough, lifting isn't dangerous at 90, and your metabolism doesn't crash at 40. Five longevity training myths and the studies that end them.

Fall-proofing: why power matters more than strengthlongevity

Fall-proofing: why power matters more than strength

Your one-rep max won't save you from a trip, how fast you can make force will. Why muscle power, not maximal strength, protects against falls with age.

Can you raise VO2 max at 50? What the research showslongevity

Can you raise VO2 max at 50? What the research shows

Adults over 50 raise VO2 max at similar rates to the young. Here's the realistic range, the protocol that moves it most, and where the evidence is thin.

Balance declines quietly: how to train it backlongevity

Balance declines quietly: how to train it back

The 10-second one-leg test predicts survival, and balance fades from disuse as much as age. Here's how to train it back at any age.

Backcasting your training from age 90longevity

Backcasting your training from age 90

Pick the physical tasks you want to still do at 85, then work backward through the decline math to find the strength and power you need to build now.

Zone 2 mistakes: why your easy days are too hardzone 2

Zone 2 mistakes: why your easy days are too hard

The biggest zone 2 mistake is going too hard. Here's the gray zone trap, why trackers and ego push you there, and how to fix the six common errors.

A woman resting between sets on a living room rug beside two dumbbells, phone propped against a stack of bookslive coaching

Workout app vs personal trainer: what each can do

An app costs $13 to $35 a month and writes the plan. A trainer picks the weight and notices when you stop showing up. Which one you need, honestly.

Woman sitting on a living room floor between sets with two dumbbells and a phone propped against a water bottlecomparisons

trainwell vs Future: which one actually watches you

Neither coach watches you train. trainwell is $149 a month billed as $447 every 3 months, Future is $199 month to month. Prices checked September 2026.