A-List Trainer’s Anti-Age Playbook

Man lifting kettlebell in gym — Photo: Ground Picture / Shutterstock

Muscle loss after 40 is not a myth men can train their way around forever, but the right coaching can slow it down and even reverse it.

Quick Take

Resistance training is the top method doctors recommend for fighting age-related muscle loss, known as sarcopenia.
New York City has a growing market of trainers who specialize in coaching men over 35 and 40 on strength and longevity.
Alex Folacci, a two-time French decathlon champion, markets himself as a leading NYC trainer for high-performing men fighting sarcopenia.
Research shows men in their 50s to 80s can build real muscle through structured lifting programs, not just maintain what they have.

Why Muscle Loss After 40 Demands A Different Plan

Men start losing muscle mass steadily after age 30, and the rate speeds up once they pass 60. This process, called sarcopenia, chips away at strength, balance, and independence over time. Doctors at Harvard Health call old-fashioned resistance training the best tool men have to slow or even reverse that decline. That science is not new, but applying it correctly at 40-plus takes more care than it does at 25.

What The Research Says About Building Muscle Later In Life

Skeptics assume aging bodies simply cannot build muscle like younger ones. The data disagrees. A 2001 study of adults aged 65 to 75 found they gained as much muscle over six months as people in their 20s. A separate meta-analysis of men ages 50 to 83 doing progressive resistance training found meaningful strength and size gains across that entire age range. The takeaway is simple: consistency and proper loading matter more than birthdate.

Medical guidelines back this up with specifics. Experts recommend strength training at least twice a week, using multi-joint moves at moderate to high effort, with one to four sets of eight to fifteen reps per exercise. The National Institute on Aging notes there is no way to fully stop the clock, but most older adults can still increase strength meaningfully with the right program. That is the exact gap a specialized personal trainer is supposed to fill.

Why NYC Men Are Turning To Specialized Trainers

New York City’s fitness market has responded to this demand with trainers who brand themselves specifically around aging men’s needs. Alex Folacci describes himself as a certified personal trainer and two-time French decathlon national champion who specializes in coaching high-performing men over 35. His marketing points directly at the science, stating his programs aim to fight sarcopenia, boost cardiovascular health, and improve mobility and bone density.

Folacci is not alone in framing his services around longevity rather than just aesthetics. His websites describe biohacking add-ons and personalized programs built for busy professional men across Manhattan and Brooklyn. Whether one trainer outperforms another with similar credentials is not something independent data can currently confirm. What is confirmed is that the underlying training method he promotes, resistance work, matches what medical researchers recommend for this age group.

What To Actually Look For In A Trainer Over 40

Combined resistance and aerobic training produces the best overall results for older adults, according to a review of exercise guidelines for sarcopenia. That means a good trainer should not just hand over a weight machine circuit. Programs should progress gradually, starting around 50 to 60 percent of a person’s one-rep max and building from there. A trainer who skips that progression, regardless of awards or client count, is not following the evidence.

Recovery and nutrition matter just as much as the workout itself. Newer research on sarcopenia treatment stresses that combining exercise with proper nutrition produces better strength and muscle outcomes than exercise alone, though researchers note the certainty of that evidence still ranges from low to very low in some studies. That is a reasonable caveat, not a reason to doubt the core message: lifting weights consistently works, and coaching that keeps men accountable to that consistency has real value as they age past 40.