longevityWhat deep sleep does for muscle repair and recovery
Deep sleep is when your body actually repairs muscle. Here is the recovery physiology, from growth hormone to overnight protein synthesis, explained plainly.
Longevity
18 articles on longevity from the coaching floor.
longevity
longevityThe 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.
longevityMuscle 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.
longevityHow 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.
longevityHealthspan 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.
longevityFive 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.
longevityFall-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.
longevityCan 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.
longevityBalance 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.
longevityBackcasting 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.
strengthHow muscle actually grows: tension, signaling, repair
Muscle grows from mechanical tension, not the burn or the soreness. Here is the mechanism, from costameres to mTOR to the days of repair that follow.
strengthHypertrophy or strength: which matters more for aging
Hypertrophy and strength are different adaptations, and both protect you as you age. Here's what each one does and how to train for both in a week.
strengthThe minimum effective dose of exercise, per the research
How little training still buys most of the strength and health returns. The dose-response research on the minimum effective dose of exercise.
strengthTraining to failure: how close is close enough
Most of the muscle you build happens in the reps just before failure, not at it. Here's how close to train, and when true failure earns its cost.
longevityHow much protein you actually need after 40
Protein needs after 40, explained: why the same steak does less for your muscles now, and the g/kg target the research actually supports.
strengthHow many sets per week your muscles actually need
How many sets per week build muscle, and where the returns stop. The dose-response research on training volume, plus the minimum dose that still works.
longevityThe five systems your longevity training should cover
Strength, easy cardio, intervals, mobility, and balance each age on their own schedule. Here's the longevity week that trains all five, and why it works.
longevityZone 2 and strength, a longevity week
VO2 max and strength predict lifespan better than almost anything we can measure. Here's a simple weekly plan that trains both, and why it works.