At some point, many women begin noticing subtle but frustrating shifts in their bodies. Workouts that once worked no longer seem as effective. Energy feels lower. Recovery takes longer. Muscle tone changes. Weight settles differently, especially around the midsection. Even women who have always been active may suddenly feel weaker, stiffer, or less like themselves.
And while this can feel discouraging, it’s important to understand that these changes are not simply about “getting older.” There is real science behind what is happening in the female body during this stage of life.
The good news? There is also something incredibly powerful we can do about it. Strength training.
What Happens to Women’s Muscles as We Age?
Most women are surprised to learn that we actually begin losing muscle mass around age 30. At first, the decline is gradual — often around 3–8% per decade if we are not actively working to maintain muscle through resistance training and movement.
In our 30s and early 40s, these changes may feel subtle. Maybe it becomes harder to build lean muscle. Maybe recovery takes longer after a workout. Maybe strength starts declining despite doing the same exercise routine you’ve always done.
But for many women, the most dramatic changes happen during perimenopause and menopause.
As estrogen begins fluctuating and eventually declining, the body becomes less efficient at maintaining muscle mass, recovering from exercise, regulating blood sugar, and preserving bone density. Estrogen is incredibly protective for women. It plays a major role in muscle repair, joint health, metabolism, brain function, and recovery. When those hormone levels shift, women often feel like their bodies suddenly changed overnight.
Dr. Stacy Sims has spent years educating women on the reality that female physiology changes significantly during midlife. Her message is clear: women are not small men, and our training needs evolve as our hormones evolve.
During the menopausal transition, women can lose up to 10% of muscle mass if they are sedentary or not strength training consistently. Even more important than the loss of muscle size is the decline in strength and power output. After menopause, muscle loss can continue at a rate of roughly 1–2% per year without intentional resistance training.
This matters because muscle is about so much more than appearance.
Muscle supports our metabolism, blood sugar regulation, bone density, balance, posture, energy, and ability to move confidently through life. It protects our joints, helps prevent falls and fractures, and plays a huge role in maintaining independence as we age.
This is why strength training becomes one of the most important forms of exercise for women over 40.
Why More Cardio Isn’t the Answer
For decades, many women were taught that the path to health meant eating less and doing more cardio. But during perimenopause and menopause, that strategy often stops working and can even leave women feeling more depleted.
Endless cardio without strength training can contribute to muscle breakdown, increased stress hormones, and slower metabolism over time. That’s why we encourage women to shift their focus toward resistance training, adequate protein intake, recovery, and intentional movement patterns that support the nervous system rather than constantly draining it.
This doesn’t mean cardio is bad. Walking, cycling, hiking, swimming, and conditioning all have tremendous benefits. But strength training needs to become the foundation.
What Strength Training Should Actually Look Like
The encouraging news is that women do not need to spend hours in the gym every day to see meaningful results.
Consistency matters far more than perfection.
Strength training can look like lifting dumbbells at home, using resistance bands, bodyweight training, kettlebells, or following structured workouts that progressively challenge the body over time. The goal is to give the muscles a reason to stay strong and continue adapting.
Women over 40 especially benefit from movements that improve functional strength and power. Things like squats, hinges, lunges, rows, presses, carries, and core work. These movements help support everyday life while improving bone density, posture, mobility, and confidence.
Recovery also becomes increasingly important during this stage of life. Sleep, stress management, mobility work, hydration, walking, and nourishing the body with enough protein all play a role in helping women feel stronger and more energized.
And perhaps most importantly, women need a sustainable approach to fitness. One that supports their body instead of punishing it.
It’s Never Too Late to Build Strength
One of the most empowering truths is that the body remains incredibly adaptable in our 40s, 50s, 60s, and beyond.
Women are absolutely capable of building muscle, increasing strength, improving metabolism, supporting bone health, and feeling more energetic at every age. The body responds remarkably well when we give it the right stimulus.
Strength training tells the body:
“We still need this muscle. Keep it. Build it. Support it.”
And that process can completely change the way women age. And don’t worry about getting “too big”. Women can build muscle, but don’t bulk up like men do. We need to shift our thinking to how we can create optimal health and longevity by becoming stronger versus measuring our health, worth and self esteem by the silly (and worthless) number on the bathroom scale.
A Simple Place to Start
At Flostate, we believe movement should help women feel strong, capable, energized, and connected to their bodies.
That’s exactly why we created Daily Lift.
Flostate’s Daily Lift Program is designed to take the guesswork out of strength training with approachable, effective workouts that help women build lean muscle, improve strength, support metabolism, and move well for life. Whether you are brand new to lifting or simply looking for more structure and consistency, Daily Lift offers a simple and sustainable way to prioritize your health.
And for women wanting even more variety and support, Flostate Unlimited gives you access to hundreds of on-demand strength training workouts, mobility sessions, yoga flows, recovery classes, and conditioning workouts that fit real life and real schedules.
With the right kind of movement, women can continue building strength, resilience, energy, and confidence for decades to come. We can’t wait to see you in class! If you have questions about Flostate and how you can get involved, email us info@theflostate.com.