Stronger, Not Smaller
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Rachel came to me frustrated and exhausted. She was 47. She ran most mornings, took the spin class, watched every bite, and tracked her steps like a second job. Her body would not change. And it hurt. Her knees, her hips, a shoulder that never fully settled.
Online, she kept finding the same answer. Push harder. More cardio. Fewer calories. Earn the food. So she did. And she felt more tired, more sore, and more defeated.
What no one had told Rachel is that she was quietly losing the one thing that would have actually changed her body and protected her health for the next forty years.
Muscle.
Rachel is not unusual. She is a pattern. So on this week's episode of Endocrine Matters, I sat down with Shannon Ritchey, a former physical therapist and the founder of Evlo, to talk about what the research actually says about exercise, fat loss, and building muscle in midlife.
This was such an important topic to bring to the podcast. If you prefer to watch or listen, you can catch the full episode on my channel.
Why Fitness Advice For Women Is So Easy To Get Wrong
The most convincing fitness advice is rarely a flat lie. It is usually a kernel of truth, stretched out of shape and sold to everyone.
Exercise is genuinely good for you. Effort genuinely matters. So when a confident voice says "work harder and your body will follow," it sounds right. It rewards the discipline you already have.
The problem is that more effort aimed at the wrong target does not get you there. It just wears you down.
Let me show you where the kernels of truth get stretched into something that costs women time, energy, and results.
Exercise Is a Weak Tool for Fat Loss: The Truth, and the Overgeneralization
The truth: movement burns calories, and staying active matters for your heart and your metabolic health.
The overgeneralization: you can exercise your way into a smaller body, and harder workouts mean more fat loss.
The research does not support it. When people add exercise without changing how they eat, the fat loss is small. Your body is smart. As you add more activity, your metabolism adapts and burns fewer calories than your watch claims.
Fat loss, when it is your goal, is driven mostly by nutrition. A small, sustainable change does the work, and slow is the point, because rapid loss takes muscle with it.
Exercise has a more important job than burning calories. Its real job is building the muscle that protects your metabolism.
The "Toned" Myth: Where That Word Actually Came From
The truth: many women want a lean, defined look, and that look is real.
The overgeneralization: you get it with light weights and high reps, and lifting heavier will make you "bulky."
Here is what surprised even me. The word "toned" is not a physiological state. There is no toned muscle and no separate bulky muscle. Muscle grows or it shrinks. The defined look people call toned is simply muscle that becomes visible when body fat is lower.
The "tone without bulk" message traces back to 1980s marketing, when more women started lifting and the culture answered with a fear-based pitch: stay light, stay small, do not get too strong. That pitch is forty years old and still steering women toward workouts that often do not build anything.
"Lift Heavy or It Doesn't Count": The Midlife Overcorrection
The truth: strength training is essential in midlife, and many women are not lifting at all.
The overgeneralization: midlife women must lift very heavy weights for very low reps, or they are wasting their time.
This one frustrates me, because it discourages the exact women who would benefit most. You can build muscle across a wide range of repetitions, anywhere from about 4 to 30 per set, as long as the last few reps are genuinely hard. Heavy and low-rep is one valid option. It is not the only one.
What changes most in perimenopause and menopause is not the rep range. It is recovery. Hormonal shifts can disrupt sleep, and poor recovery makes every workout feel harder. That is why a structured program with real rest matters more in this season, not less.
What Actually Builds Muscle
If there is one thing to take from this episode, it is this: a set only counts when the final reps are genuinely difficult.
Most women stop well short of that point, not from lack of effort, but because no one told them where the line is.
Here is a simple way to find it. After what feels like your last rep, set the weight down, rest five seconds, and try again. If you can do three or more, you were not close to failure. You were just tired.
A few more principles that do the heavy lifting:
Work one muscle group at a time. Combination moves force you to use a weight that is too light for at least one muscle.
Prioritize protein. Roughly 0.7 to 1 gram per pound of body weight per day supports muscle.
Structure recovery. Train each muscle group once or twice a week on non-consecutive days, and let walking fill the rest.
Is Pilates Doing What You Think?
The truth: Pilates can support stability, mobility, and endurance, and a beginner can build a little muscle with almost any method.
The overgeneralization: Pilates is a complete strength program and a reliable way to change your body composition.
Most popular formats use very high reps, combine several muscle groups in one move, and work the whole body daily with no real recovery. None of that is optimized for building muscle. If you love it, keep it. Just know what it is and is not doing, and do not expect it to replace strength training if body recomposition is your goal.
Women Have Been Sold Fear, and That Deserves Honesty
I want to be clear about something.
Women have spent decades being marketed fear. Fear of bulk. Fear of food. Fear of the scale. Fear of taking up space. That fear sold gym memberships, supplements, and tiny dumbbells, and it left a lot of women working hard against their own bodies.
You were not failing. You were following a plan that was never built for your body or your goals.
The answer is not another punishing program. It is better information, and permission to train in a way that builds you up.
What Smart Training in Midlife Actually Looks Like
Strength work two to four days a week, training close to failure, one muscle group at a time.
Enough protein to support the muscle you are building.
Cardio for your heart, not as a punishment or a way to earn food.
Real recovery between sessions, especially when sleep is not cooperating.
And a way to measure progress that is not the scale, because body composition tells you far more than a number that swings with salt, water, and your cycle.
You should finish a season of training stronger, with more energy, and with a body that feels better to live in. That is the goal. Not smaller. Stronger.
The Bottom Line
You cannot exercise your way into a smaller body, and you were never supposed to.
Nutrition leads fat loss. Strength training builds the muscle that protects your metabolism, your bones, and how you feel for decades.
Your effort was never the problem. The plan you were handed simply was not built for you.
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FAQs
Can you lose fat with exercise alone? Usually not to a meaningful degree. Adding exercise without changing nutrition tends to produce modest fat loss, partly because the body adapts and burns fewer calories over time. Nutrition is the primary driver. Exercise is best used to build and protect muscle and to support heart and metabolic health.
Do women have to lift heavy to build muscle, especially in midlife? No. You can build muscle across a wide range of repetitions, from about 4 to 30 per set, as long as you train close to muscular failure. Heavy, low-rep lifting is one valid option, not the only one, and that holds true in perimenopause and menopause.
What does "training to failure" mean, and is it safe? It means working a muscle to the point where you cannot complete another rep with good form, or stopping within a rep or two of that point. A practical check is to rest five seconds after your final rep and try again. If you can do several more, you were not close. Training near failure is safe for most healthy adults with sound form. If you have an injury or medical condition, check with your clinician first.
How much protein do women need to build muscle? A common evidence-based target is roughly 0.7 to 1 gram of protein per pound of body weight per day, paired with consistent strength training.
Is Pilates a good way to build muscle? Most popular formats are not optimized for it. They tend to use very high reps, combine muscle groups in one move, and work the whole body daily without dedicated recovery. They offer real benefits for stability, mobility, and endurance, but if your goal is body recomposition, a well-structured strength program is usually a better use of your time.
Should I track my weight on the scale? The scale is a limited tool. It moves with salt, hydration, and your cycle, and it cannot tell the difference between losing fat and losing muscle. Body composition, measured with a DEXA or in-body scan, is far more useful when your goal is building muscle and improving metabolic health.
