By Dr. Stacie Stephenson
Who doesn’t want to age gracefully? But what does that mean, exactly? Once, the phrase was considered grist for compliments, and there was a belief that graceful aging was a gift bestowed upon some and denied to others. “Look how she still does yoga and walks her dog every day! She is aging so gracefully.”
Today, we have gotten more serious and more scientific about what it means to age well. We’ve also figured out that graceful aging is something anyone can experience, but it takes much more than luck or divine providence. It takes work, and by work I mean exercise. However, the kind of exercise you need now is different than the kind you may have been practicing for the past few decades.
Graceful aging is certainly easier if you’ve been exercising throughout adulthood, but for many reasons I’ll explain in this article, you can benefit greatly by shifting how you exercise after 40. I’ve found that many people in their 40s, 50s and 60s are still doing the same workouts they did at 25: long runs, back-to-back spin classes, an hour of cardio because that is what burned calories back then. Or, they find that if they can’t do that same workout, they stop exercising much at all.
The truth is, the body that responded to your younger self’s routine is not the body you have now.
I would not call this change a decline. No, this is a call for a recalibration. Once you reach 40 (and certainly 50 and most definitely 60), your body has different needs. If you want to age gracefully, then you need to figure out what those needs are now. Perhaps you are looking ahead and want to preserve your mobility, cognition and independence. Maybe you are looking to regain energy and confidence, as you don’t seem to have the same fire you had a few decades ago. Maybe you want to take care of the joints that are a lot achier than they once were. Or maybe you just want to feel younger than you felt when you woke up this morning. It’s time to reframe the changes you are noticing as a call for a fitness reset, rather than a fitness retreat, so that you can approach your new routine with energy and momentum.
Now, if there is just one shift I would recommend above all others for fitness in your 40s and beyond, it is strength training. I’ll tell you why.
What’s Actually Changing
The hormonal shifts of perimenopause and menopause do more than affect mood and sleep. Declining estrogen changes how your muscles respond to exercise and how efficiently they repair themselves. Research on postmenopausal women has found a real difference between the sexes here: Women tend to lose muscle mass and strength faster around the menopause transition than men do at the same age, and the muscle-building response to resistance training appears somewhat blunted compared to that of men. Estrogen also seems to support muscle health directly, in part by helping muscle cells perform their roles of repair and growth, and by reducing the low-grade inflammation that accelerates muscle breakdown.
At the same time, resting metabolic rate tends to decline: less circulating estrogen, less muscle tissue doing metabolically active work, and a body that is simply less forgiving of the “eat less, move more” formula that worked at 28. It’s not that anything is wrong. It only means that the inputs you need for optimal health have now changed, and exercise is one of the few inputs you have real control over.
It’s Time to Rethink Cardio
Cardiovascular fitness matters enormously for heart health, mood and longevity. But many women in this age group are doing more high-intensity and long-duration cardio than their recovery can support. This may be your trusted workout, and because it has become a habit, you like it and think you need it (or you don’t like it but still think you need it). However, you don’t need to do cardio for as long as you may have done in the past. More effective now are short bursts of intense exercise. Cardio comes with a rise in the stress hormone cortisol, and while that can build resilience, recovery time is critical. Let the cortisol go up, train your heart and lungs, but then let it go down again by clipping sessions to 20 to 30 minutes, three to five times per week.
The concern is not intensity itself but the accumulation. Stacking long or frequent high-intensity sessions on top of poor sleep, inadequate protein, and everyday stress can begin to break down muscles and joints and increase exhaustion, rather than building muscles, protecting joints and infusing you with energy like a shorter cardio session can do. Some research into combined exercise approaches has found that moderate aerobic activity paired with two to three sessions of resistance training weekly is associated with better regulation of stress hormones and improved sleep and mood in midlife women, more so than cardio alone.
So don’t “stop doing cardio.” But do swap out some of that cardio for strength training. You will get more mileage out of getting stronger. Instead of building your day or week around getting more steps, miles or aerobic minutes, think about moderating those in favor of lifting more pounds and more strength-training minutes. This is how you work smarter, not harder. A widely cited review found that resistance programs of about three sessions a week, sustained for at least six weeks, produced the most consistent improvements in muscle mass and strength in menopausal women.
The Real Reason Muscle Matters
Here is what I want every woman reading this to understand: Muscle is infrastructure. Will you look better when you are stronger and firmer? Sure, you will. But the real power behind building muscle over 40 is how you will be able to get up off the floor, climb the stairs and stand up out of a car without thinking about it for the next 40 years.
The medical term for age-related muscle loss is sarcopenia, and it is closely tied to falls, fractures, loss of mobility and loss of independence in later life. Multiple large studies have found that resistance training improves lower-body strength and balance enough to measurably reduce fall risk in older adults, an effect cardio does not reliably produce. One reliable measure of aging is grip strength, according to researchers. Across large population studies, weaker grip strength has been associated with higher all-cause mortality, in some analyses more strongly than blood pressure. No one is suggesting that grip strength alone determines lifespan, but it is a window into muscle health.
Strength and metabolism also intersect. Muscle is your body’s most metabolically active tissue. The more you preserve, the more efficiently your body manages blood sugar, body composition and energy as you age. Strength training now is not just about how well you fit in your clothes (though it tends to help with that too). It is one of the more powerful, evidence-backed tools available for protecting long-term independence.
Exercise Is an Investment
I would love for every woman over 40 to stop thinking of exercise as something to earn dessert with, and start thinking of it as a deposit into an account she will need to draw on later. The workout you do today is not really about today. It is about whether you can carry your own groceries, get down on the floor to play with a grandchild, and get back up again, at 75. Every strength session is a small, compounding investment in that future version of you.
But currently, you will also benefit because the more muscle you have, the more excess body fat you burn just sitting still, the more energy your body makes, and the easier it is to move (gracefully) through the days and weeks and years of the rest of your life. It really isn’t about aging. It’s about living.
Get Started With Strength Training
You do not need a complicated program to begin. Start with calisthenics that lift your own body weight (situps, pushups, burpees) or yoga. When you feel ready, incorporate free weights at home or machines at a gym. This is when you will really begin to notice gains in strength and ease of movement. A reasonable strength training schedule for most healthy women over 40 looks something like this:
Two to three strength sessions a week, with at least one rest day between sessions that work the same muscle groups.
Work several muscle groups at once: squats, hip hinges, presses, rows and carries are good basics to master.
Lift with enough weight that the last few repetitions of a set feel genuinely challenging. Strength building means lifting enough that it feels difficult by reps eight to 10.
Don’t lift until you are completely exhausted. You do not need to train to complete failure (meaning you can’t do even one more rep) to see and feel results.
Keep one or two cardio sessions easy and conversational, and reserve higher-intensity cardio for once or twice a week at most, with enough time to recover with nutritious food and good sleep.
Treat protein, sleep and rest days as part of the training program. Muscle is built during recovery, not during the workout itself.
Progress gradually. Small, steady increases in weight or repetitions over months will outperform an aggressive start that burns you out by week three.
If you are new to strength training or returning after a long break, a few sessions with a qualified trainer to learn proper form on the foundational movements is one of the best investments you can make before going it alone. You can also find many strength-training and core workouts for free online. drstaciestephenson.com
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