StrongerByScience
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Articles, a podcast, and free training calculators from Greg Nuckols and Eric Trexler, who read the strength and hypertrophy literature and explain what it supports. Readers come away able to judge programming claims against actual evidence rather than gym folklore.
More resources on Exercise & Fitness
ExRx.net
An exercise reference library where each movement lists target muscles, joint actions, and execution notes, alongside kinesiology articles, fitness testing norms, and calculators. Use it to check form and pick exercises when building a training program.
Science of Exercise
Learners who complete Science of Exercise will have an improved physiological understanding of how your body responds to exercise, and will be able to identify behaviors, choices, and environments that impact your health and training. You will explore a number of significant adjustments required by your body in order to properly respond to the physical stress of exercise, including changes in carbohydrate, fat and protein metabolism, nutritional considerations, causes of muscle soreness & fatigue, and the effectiveness and dangers of performance enhancing drugs. Active learning assessments will challenge you to apply this new knowledge via nutrition logs, heart rate monitoring, calculations of your total daily caloric expenditure and body mass index (BMI). Finally, learners will examine the scientific evidence for the health benefits of exercise including the prevention and treatment of heart disease, diabetes, cancer, obesity (weight loss), depression, and dementia.
Strength Level
A calculator that ranks your one-rep max against a database of over 190 million lifts logged by site users, so you can see where your bench, squat, deadlift, and 280-plus other exercises stand for your bodyweight, sex, and age.
r/Fitness Wiki
The r/Fitness community wiki, with vetted beginner and intermediate routines, a plain-language guide to calories and macros, and answers to recurring questions about muscle gain, fat loss, and recovery. Enough to pick a program and start training.
Understanding Fitness Programming
National Academy of Sports Medicine course covering cardiorespiratory training with the FITTE-VP principle, flexibility and self-myofascial release, core training, and resistance training with periodization. Learners can design balanced exercise programs and coach safe exercise technique.
Spark
Harvard psychiatrist John Ratey surveys research linking aerobic exercise to brain function, covering effects on learning, mood, attention, addiction, and aging, with school and clinical case studies. Explains the neurochemical mechanisms and how much exercise the studies used.