
REPLAY: Exercise, training & the influence of female sex hormones with Lisa Costa-Bir & Dr Stacy Sims
From FX Medicine Podcast Central by FX Medicine
December 1, 2025
About this episode
Dr Stacy Sims and Lisa Costa-Bir discuss the impact of female sex hormones on exercise and training.
Dr Stacy Sims, expert in female physiology and training, collaborates with fx Ambassador Lisa Costa-Bir to discuss the intricate relationship between hormones and physical performance. Together they explore how the female hormonal cycle introduces unique challenges and opportunities. The follicular phase is the time when women typically excel physically, while the ovulatory phase can bring variations in how one feels during exercise. The mid-luteal phase can be challenging for high-intensity training, and the days leading up to menstruation require tailored adjustments due to mood, heart rate, and performance changes. Tailored exercise strategies are discussed, with tips for conditions like endometriosis and PCOS. Maintaining muscle mass during peri/menopause through specific exercise approaches is emphasised. Hormone Replacement Therapy (HRT) is clarified as not reversing aging but preserving lean muscle mass through exercise. The podcast also covers injury prevention, nutrition, and hydration strategies, offering women and clinicians an holistic guide to optimise their fitness journey throughout life. COVERED IN THIS EPISODE (00:27) Welcoming Dr. Stacy Sims (01:57) Phases of…
People in this episode
Guests: Dr Stacy Sims, Lisa Costa-Bir
Topics covered
- female physiology
- hormonal cycle
- exercise strategies
- menopause
- nutrition
- hydration
- injury prevention
Keywords
- female hormones
- exercise performance
- menstrual cycle
- endometriosis
- PCOS
- HRT
- muscle mass
- hydration
- nutrition
Mentioned in this episode
Organizations: FX Medicine
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