Deirdre Slattery wearing a grey pair of pants and white crop top. This trainer knows that the "thin is in" mentality won't last long.

The fitness industry has long sold women exhaustion disguised as discipline. This meant doing more cardio, eating less food, and applying more pressure to yourself, ultimately leading to more guilt. And for decades, women wore burnout like a badge of honour.

But the future of fitness is shifting, and honestly, it’s overdue. Because though research is proving the importance of muscle, recovery, hormones, nervous system regulation, and sustainable strength for women, we’re simultaneously watching skinny culture quietly emerge again through social media, injectables, shortcuts, and aesthetic pressure.

And that should concern us. Not because women shouldn’t want aesthetic goals. There is nothing wrong with wanting to feel confident in your body. But the future of women’s fitness can’t simply become about getting thin. It has to evolve into helping women become stronger, healthier, more resilient, more energized, and more connected to themselves through every stage of life.

A Brave New Playbook

As a coach who has spent years helping women transform physically, mentally, and emotionally, and as a woman now in my fifties who has lived through multiple eras of fitness culture, I believe we’re entering one of the most important shifts the industry has seen in decades.

Women are no longer just asking, “How do I lose weight?” or "How do I get thin?" They’re asking, “How do I feel good again?” Or, “How do I get my energy back?” Or even, “How do I stop abandoning myself in the process of building everything else?” That’s a very different conversation, and science is finally catching up to support it.

We now understand the importance of strength training for women, from injury prevention and increased bone density to improved metabolic health and a boost to cognitive function. But above all, muscle mass can aid in longevity and improve our quality of life as we age, and in the process grow our confidence and self-esteem.

Strong is no longer just aesthetic. It’s protective, preventative, and empowering, especially for women navigating careers, motherhood, stress, entrepreneurship, caregiving, and the mental load so many carry silently every day.


“I believe we’re entering one of the most important shifts the industry has seen in decades.”


Time Will Tell

So, what does work? That’s an exhaustive list. Structure. Recovery. Progressive strength training. Nutrition that fuels instead of deprives, consistency instead of extremes, and support systems that help women sustain healthy habits in real life. I’ve witnessed transformations in women thanks to these factors, transformations that were never just physical—I watched them become someone who no longer surrendered their power.

That is where I believe the future of fitness is truly heading: identity-based transformation.

Technology, wearables, apps, tracking systems, and data are making fitness smarter and more personalized than ever before. These tools can absolutely help women become more efficient and informed. But information alone does not create transformation.

Human accountability still matters, as does community and coaching. No app can replace being seen by another, and no wearable can build self-worth. Even the best tracking system can’t teach a woman how to trust herself again.

The future of fitness shouldn’t be another era of women disappearing; it should be an era of women becoming. Let’s all work together to ensure that happens.


Written by Deirdre Slattery

Photography by Paul Buceta

Hair and Makeup Monica Kalra

Deirdre Slattery
Deirdre Slattery is a certified personal trainer, fitness model, and best-selling author who brings her unique perspective regarding gym-life balance to every issue of STRONG. To learn more about her programs, visit deirdresfitness.com.