How Women Can Approach Exercise at Different Ages
Our bodies need different things as we age. Shifts in estrogen change how the body recovers, tolerates fatigue, and adapts to stress. When training stays aligned with these changes, strength improves, energy stabilizes, and burnout becomes avoidable. While we believe moving in any way you enjoy leads to the most consistent lifestyle integration, it is nice to see what the science says about how women respond to exercise as we age. Thank you to Dr. Stacey Sims for sharing this research.
What is estrogen and why does it matter for training?
Estrogen is a primary sex hormone in women that does far more than regulate the menstrual cycle. It plays a major role in how your body responds to exercise. Estrogen influences muscle repair, connective tissue strength, joint health, nervous system recovery, and how efficiently your body uses fuel.
When estrogen is higher and more stable, the body generally tolerates more training volume and recovers faster. When estrogen becomes lower or more variable, the same training stress creates more fatigue and requires consideration to avoid burnout. This is why the same workout can feel energizing at one stage of life and draining at another. As our bodies change, we can adapt our movement to support where we are in life.
Training in Your 20s to Mid-30s
In younger women, roughly mid-30s and younger, estrogen levels are typically higher and more stable. This supports recovery, connective tissue resilience, and a greater tolerance for training volume. At this stage, moderate to higher volume strength training and skill-based work are effective. The body adapts well to frequency and variety, as long as energy intake matches output.
How Formation fits here:
Freedom, Foundations, and Step work well as primary cardio 1–3 times per week
Power and Sculpt can be layered 1–2 times per week to build strength and muscular endurance
Presence supports coordination, rhythm, and nervous system regulation and can be done frequently without overloading the body
This is a phase where mixing modalities drives performance and enjoyment without excessive downside.
Training in Your Late 30s and 40s
As women enter their late 30s and 40s, estrogen begins to fluctuate. The nervous system becomes more sensitive to cumulative fatigue. During this transition, the body responds best to clearer intensity separation and higher-quality effort. Strength training should emphasize quality over quantity, heavier resistance, and sufficient rest between sets. Neural adaptation becomes the main driver of strength gains, not exhaustion. We’ll dive into neural adaptation next week.
How Formation fits here:
Power and Sculpt become foundational for maintaining strength and lean mass, typically 1–2 focused sessions per week
Freedom, Foundations, or Step remain effective for cardio, but benefit from cadence and recovery awareness
Presence becomes an anchor, supporting mobility, coordination, and nervous system recovery, and can be done regularly
Training in Your 50s and Beyond
In post-menopause, estrogen levels become consistently low rather than cyclical. Lower estrogen is associated with reduced muscle protein synthesis, slower bone remodeling, a higher cortisol response, and changes in insulin sensitivity. Preserving muscle and bone becomes a priority. Recovery also takes longer, making training structure more important than training volume.
Strength training benefits from heavier resistance, fewer repetitions, and longer rest.
How Formation fits here:
Power and Sculpt become central, typically 2–3 times per week, with an emphasis on load, control, and rest
Freedom can be used strategically rather than as daily conditioning
Presence supports mobility, coordination, and nervous system recovery, and can be done frequently
Training in Your 60s
In the 60s, neuromuscular changes become more noticeable. Power, balance, and reaction time tend to decline faster than strength, and these qualities are closely tied to independence. Strength training remains important, but adding intent to movement matters just as much. Moving with purpose, even at lower impact, helps maintain coordination and confidence.
How Formation fits here:
Power and Sculpt remain valuable when scaled appropriately, focusing on strength, posture, and control
Presence plays an increasing role in maintaining coordination, rhythm, and balance
Freedom can be approached with choice and pacing, emphasizing enjoyment and connection over output
Training in Your 70s and Beyond
At this stage, the key metric shifts toward independence. Muscle becomes protective tissue, and strength supports everyday actions like standing up, carrying objects, and moving through space safely. Even light resistance training can reverse aspects of frailty when progression is gradual and intentional.
How Formation fits here:
Presence supports coordination, mobility, and connection to the body
Strength-focused classes can be adapted to emphasize real-world movement patterns
Consistent, enjoyable movement matters more than intensity or complexity
Cardiovascular Training and Intensity Balance
Cardio is most effective when polarized (done at very low intensity and very high intensity). Low-intensity sessions improve aerobic efficiency, recovery, and fat oxidation. High-intensity sessions deliver a strong adaptive signal. Chronic moderate-intensity training, the “always pushing but never recovering” zone, tends to elevate cortisol without meaningful gains, especially during perimenopause.
How Formation fits here
Freedom and Step provides a high-energy cardiovascular stimulus
Presence offers lower-intensity cardio and nervous system regulation
Rotating these avoids constant stress while preserving performance and enjoyment
Recovery, Fuel, and Protein Needs With Age
As estrogen fluctuates, recovery windows become more important; we have about 45 minutes to fuel post-workout. Protein needs increase, especially post-training, and underfueling amplifies stress and accelerates lean mass loss. Stacking intense classes without sufficient fuel or recovery eventually backfires.
The Principle That Never Changes
Across every stage of life, the principle is simple. Train hard enough to create change, eat enough to support it, and rest enough for it to stick. Formation’s class variety allows you to train consistently without relying on willpower or burnout, as long as classes are chosen intentionally.
While we can sometimes get caught up with optimizing, the most important element is finding a movement practice that is enjoyable so you can stick to it. Simply put, move as often as you can in a way you enjoy.