Haneen Yehya
NASM Certified Trainer & Sports Nutritionist
7 min read
Resistance training can support strength, muscle, bone health, physical function, and long-term fitness for women. The amount and style of training should reflect experience, goals, health, recovery, and life stage. Building muscle is not only an aesthetic goal; it can also support everyday function and physical capacity across adulthood.
Resistance training can play an important role in women's strength, physical capacity, body composition, and long-term fitness. Building muscle is one possible outcome, but the value of strength training goes beyond appearance.
This guide looks at muscular development training, how it fits within the NASM model, and how resistance training can support muscle, bone health, and everyday function across adulthood.
Bone health becomes increasingly important across adulthood, including during and after the menopausal transition. Resistance and weight-bearing exercise can form part of a broader approach to maintaining bone strength, alongside appropriate nutrition and medical care where needed.
Muscular development, often called hypertrophy training, is resistance training designed to provide enough progressive stimulus for muscle growth.
In the NASM Optimum Performance Training model, muscular development is described as Phase 3. That is one training model, not a universal sequence everyone must follow.
Programs may use moderate repetition ranges, multiple sets, compound exercises, and targeted accessory work. Exact repetitions, rest periods, tempo, and load should be individualized rather than treated as fixed rules.
Resistance and other weight-bearing activities provide mechanical loading that can support bone health. Bone density is influenced by age, hormones, nutrition, medical history, medication, and other factors, so exercise is one part of the picture rather than a stand-alone treatment.
Strength can be built at many stages of adulthood. Starting earlier can provide more time to develop training experience, but it is also valuable to begin later with an appropriate program.
The question isn't whether muscular development training will make you bulky. The real question is: what does your body need to function, resist disease, and serve you through the next thirty or forty years? The answer consistently points to building and preserving lean muscle.
If you want personalized strength training built around your goals and experience, explore the every woman program.
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1. Batts, W. & Miller, M. NASM Master Instructor Round Table: Women and the Muscular Development Training Phase. National Academy of Sports Medicine. 2. Aristizabal, J.C., et al. (2015). Effect of resistance training on resting metabolic rate and its estimation by a dual-energy X-ray absorptiometry metabolic map. European Journal of Clinical Nutrition, 69(7), 831-836. 3. Camana, F. NASM CPT Podcast and Facebook Live Webcast: Metabolism. National Academy of Sports Medicine educational broadcast. 4. Clark, M.A., Lucett, S.C., & Sutton, B.G. (2012). NASM Essentials of Personal Fitness Training (4th ed.). Philadelphia: Lippincott Williams and Wilkins. 5. McGill, E.A., & Montel, I.N. (Eds.). (2017). NASM Essentials of Personal Fitness Training (5th ed.). Burlington, MA: Jones and Bartlett Learning. 6. Stull, K. (2017). Lift weight to lose weight: Supersets. American Fitness, Spring 2017. National Academy of Sports Medicine. 7. Paoli, A., et al. (2012). High-intensity interval resistance training (HIRT) influences resting energy expenditure and respiratory ratio in non-dieting individuals. Journal of Translational Medicine, 10, 237. 8. Dieter, B. NASM Webinar: Protein Metabolism. National Academy of Sports Medicine.
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