The library
Aeon Insights
Practical guides to training, recovery and performance. Clear answers to the questions that shape your program, with the evidence explained and the limits named.
New article every week
The library
Training, recovery and performance
Body composition scans: reading your results
None of these methods measures body fat directly. Here is what each one estimates, how wide its error bars are in published validation studies, and which numbers on your report are worth acting on.
Read TrainingSemi-private training: what you actually get
Supervision ratio changes how hard people train and how much they gain. Here is the evidence behind semi-private coaching, and where it genuinely falls short of one-on-one.
Read PerformanceSport-specific training: who actually needs it
Plenty of athletes are limited by general strength and power rather than by a missing sport-specific drill. Here is how specificity actually works, and what changes for junior athletes.
Read RecoverySports massage vs deep tissue massage
The two names describe intent and timing more than they describe distinct techniques. Here is what the research supports, and which popular explanations it does not.
Read TrainingIs personal training worth it?
Supervision changes how people train, not just what program they follow. Here is what the studies show, and who genuinely does fine without a coach.
Read PerformancePickleball injuries and what to train
Reported pickleball injuries cluster by age and body region, but the headline numbers count hospital visits rather than risk per game. Here is the careful reading.
Read PerformanceStrength training for golfers
Resistance training is associated with meaningful gains in clubhead speed and distance across the literature. The size of the effect, and what it does to your score, is where honesty is required.
Read ClubHow to choose a trainer in North Atlanta
What to look for, what to ask, and which credentials mean what. These are editorial criteria rather than research-backed guarantees, and they are the ones we would use ourselves.
Read TrainingStrength training over 40
Turning 40 does not trigger a decline. The published changes in muscle mass and strength between 30 and 50 are small, and disuse explains more than age does.
ReadMost fitness writing is either a sales page in disguise or a summary of a study nobody read. We are trying to do something narrower and more useful: answer the questions members actually ask us on the floor, in the same words we would use in person, with the sources attached.
A few ground rules we hold ourselves to.
We name the limits of the evidence. When the research is mixed, we say it is mixed. Our sports massage page is a good example — the honest answer is that it does not reliably improve strength, sprint or fatigue outcomes, so we do not sell it as though it does.
We do not give medical advice. Anything touching medication, hormones, peptides, labs or an active injury belongs in a room with a licensed provider who has your history in front of them. Articles in this library point you toward that conversation rather than replacing it.
New article every week. If there is something you want covered, tell us and we will write it.
Have a question we have not written about yet?
Bring it to a consultation. Thirty minutes with a coach or clinician answers more than an hour of reading.