Dr. Lauren Colenzo-Sample: Why Everything You've Been Told About Training in Perimenopause Is Wrong
Why It Matters
By rejecting dogmatic cycle‑syncing, women can adopt more flexible, evidence‑based training that enhances performance, reduces injury risk, and supports lifelong health, prompting fitness professionals to pivot toward personalized coaching models.
Key Takeaways
- •Avoid cookie‑cutter cycle‑syncing; personalize training to individual experience.
- •Hormonal phases show no consistent performance advantage for women.
- •Perimenopause symptoms, not hormones, should guide exercise adjustments.
- •Any rep range works if sets approach failure and progress.
- •Machines are as effective as free weights for beginners.
Summary
Dr. Lauren Colenzo‑Sample debunks the popular notion that women must align workouts with menstrual or perimenopausal hormone cycles. She argues that prescriptive, phase‑based programs are overly simplistic and can even undermine confidence, urging a shift toward individualized, autoregulatory training.
The evidence she cites shows wide variability in cycle length and symptom presentation, with no robust data supporting superior strength or recovery during the follicular or luteal phases. Likewise, perimenopausal hormone fluctuations do not dictate specific training rules; instead, symptoms like poor sleep or heightened stress should dictate temporary adjustments. Across ages, muscle hypertrophy is achieved when sets are taken close to failure, regardless of whether the load is heavy, moderate, or light.
Key quotes underscore her stance: “We should really stay away from any cookie‑cutter programs,” and “There is no scientific support for cycle‑phase specific training.” She also highlights that muscle quality is defined by strength relative to mass, not by intramuscular fat, and that machines can produce comparable gains to free weights for novices, easing intimidation in the gym.
For practitioners and women alike, the takeaway is clear: focus on consistent progressive overload, monitor holistic health markers (HRV, sleep, stress), and treat hormones as one factor among many. This approach simplifies programming, improves adherence, and supports long‑term health outcomes, reshaping how the fitness industry markets women‑focused training plans.
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