Why Lifting Heavy Matters During Menopause

By Colin Raney, Co-Founder & CEO of Ray, NASM-CPT.

Evidence reviewed September 22, 2026.

Strength training is important for women moving through perimenopause and menopause because it helps you stay strong enough to keep doing the things you enjoy. Falling estrogen increases the risk of bone loss, and muscle loss can occur during this transition too. The good news is that your body still responds to training. Lifting makes your muscles work and places loads on your bones, helping you build strength and support bone health.

That strength has a purpose beyond your workouts: carrying something heavy, getting up from the floor, or continuing an activity you love. Building it takes a routine that grows with you. As an exercise becomes easier, gradually increasing the weight gives you a way to keep developing your strength.

Direct answer: Work toward weights that challenge you while allowing controlled movement. Heavier loads are particularly useful for building strength, but you can start with what you can manage today. You don’t need to begin with the heaviest dumbbell in the room, and moving to a heavier one won’t automatically make you bulky.

Your muscles are constantly renewing themselves. The body breaks down muscle proteins and builds replacements, a process called muscle protein synthesis. When breakdown exceeds replacement over time, you lose muscle. Keeping that balance matters because muscle helps you produce the force you need to move, lift and carry.

Estrogen appears to help regulate this renewal. In animal and cell studies, estradiol, a form of estrogen, can limit muscle protein breakdown. If less estrogen means less restraint on breakdown, muscle could become harder to maintain. That’s one explanation researchers are investigating. A 2026 review of menopause and muscle found that the necessary direct measurements of muscle protein breakdown across menopause in women are still missing.

Estrogen may also support the cells that help muscles repair. These muscle stem cells are called satellite cells. In experiments in female mice, removing estrogen signaling caused more satellite cells to die and impaired muscle regeneration. The study also included a small group of women, but it didn’t establish the same cause-and-effect relationship in people. It offers a possible explanation for how hormonal changes could affect repair.

These findings help explain why researchers are studying estrogen’s role in muscle loss. Aging, activity and nutrition also affect how much muscle you maintain, so a change in your strength can’t be attributed to hormones alone. The useful point is that muscle needs ongoing maintenance, and training is something you can do to support it.

Your bones need attention for a related reason. Bone is living tissue that is continually broken down and replaced. Lower estrogen after menopause can upset that balance, allowing bone loss to outpace replacement and increasing osteoporosis risk. This gives strength training another purpose: the loads it places on your skeleton can help support stronger bones as well as stronger muscles.

During a dumbbell row, your muscles have to produce enough force to pull the weight toward you. That work starts a response inside the muscle, including signals involved in making new proteins. Repeating strength training over time gives your body opportunities to adapt to the task.

One part of that response involves a pathway called mTOR, which helps regulate protein building. In an experiment in young men, blocking it prevented the usual early rise in muscle protein synthesis after resistance exercise. This illustrates a training response, although it doesn’t measure the response during menopause. Lifting provides a stimulus for adaptation even though it doesn’t replace estrogen or reproduce all of its effects.

Research in women during the menopause transition offers encouragement too. In the STOP-EM feasibility trial, 40 women in perimenopause or early postmenopause were assigned to supervised heavy strength and impact training or a waiting-list group. After nine months, the training group had greater improvements in lean mass, leg power and spine bone density. Because this was a small feasibility trial combining two forms of exercise, larger studies are needed to establish the program’s effectiveness.

The practical reason to train is that you can still build strength during this stage of life. ACSM’s resistance-training guidance supports regular strength work across adulthood, including with bands, bodyweight or weights at home. You can begin with the equipment and experience you have, then develop your training as you improve.

Imagine learning a dumbbell row. At first, finishing the planned repetitions takes effort. After practicing for a while, you can complete the same set comfortably and feel able to do more. You’ve improved, but the dumbbell hasn’t changed. It now asks less of you than it did at the beginning.

Increasing the weight makes the task challenging again. This is one form of progressive overload, which means gradually increasing the demands of training as your ability grows. You can also change repetitions or other parts of a program, but adding weight is particularly useful when your goal is to lift more.

A large review of resistance-training programs found that higher-load programs produced the greatest strength gains. Those studies covered healthy adults rather than women in menopause specifically. They support working toward heavier loads as you develop, without prescribing one starting weight for everyone.

For the row, that means choosing a weight you can move with control through the planned repetitions. If completing those repetitions consistently becomes easier, a small increase may be appropriate. If the heavier weight makes you swing your body or lose control of the movement, reduce it. Mayo Clinic’s technique guidance recommends lowering the weight or repetitions when you can’t maintain good form.

“Heavy” will change as you improve, and it will differ between exercises. You don’t need to add weight at every workout. The aim is to keep your training appropriately challenging over time, with room to practice, recover and adjust.

A weight you can control today gives you a starting point to build from.

Moving to heavier dumbbells won’t automatically give you a bodybuilder’s physique. Women can build muscle, and some muscle growth can be a useful part of getting stronger. But the weight you choose for one exercise doesn’t determine how your body will look.

Keeping every weight light doesn’t rule out muscle growth either. The same review of resistance training found muscle growth across different loading approaches, while higher loads had an advantage for strength. There is no simple division where light weights only “tone” and heavy weights only add size.

If your goal is to feel stronger and more capable, you can train toward that goal and adjust as you see how your body responds. You don’t have to let fear of the next heavier dumbbell decide how far you progress.

Knowing why strength training matters is a start. The next challenge is putting it into practice: learning the movements, choosing an appropriate challenge and deciding what to change as you improve. Ray is an AI personal trainer built to guide that ongoing process.

Return to the row example. In your first workouts, Ray’s voice coaching can explain the exercise as you practice. As you get comfortable, you can ask for less guidance. Your workout performance and feedback then become part of what Ray uses to shape your training over time. Ray learns from your workouts, preferences and responses, so the coaching can evolve as you do.

That also makes room for days when you need something different. For example, you might tell Ray, “I’m tired today, and that weight feels harder than usual.” Ray can adjust the load in response to fatigue. Your training can respond to today’s needs while still working toward your longer-term goal.

Start by making room for regular strength sessions. For healthy adults, ACSM recommends training all the major muscle groups at least twice a week. Our strength-training guide for women over 40 can help you understand the exercises that belong in a balanced routine. Ray can guide those sessions and use what it learns to help you progress.

If an exercise causes pain, stop. If you have low bone density, osteoporosis, a recent injury or a medical exercise restriction, ask your clinician what limits your training needs to respect. Ray provides fitness coaching, not a menopause treatment plan.

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Colin Raney is a NASM-certified personal trainer and the co-founder and CEO of Ray. He writes about strength training and building a routine you can keep. Learn more about Colin and Ray.

Disclosure and method: I co-founded Ray, which publishes this guide. It draws on the linked research, exercise guidance and product information, with AI-assisted research and editing. Examples illustrate training and coaching rather than individual prescriptions or customer results. This is general exercise education and has not received independent medical review.