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Physiology Friday #251: Does Our Body Have a ‘Muscle Memory’ for Aerobic Exercise?

Physiologically Speaking

Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. Physiologically Speaking is a reader-supported publication. The concept of muscle memory is quite simple: It suggests that our body will have an enhanced response to a specific exercise stimulus (i.e.,

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Physiology Friday #264: Have We Been Fooled Into Thinking Exercise Improves Sleep?

Physiologically Speaking

Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. Exercise has never been so en vogue—for better or worse. By worse, I mean we often discuss exercise as a panacea. Just exercise. In other words, exercise improves sleep, sometimes, and for some people.

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Physiology Friday #261: Combining High-intensity Training with Frequent Activity Breaks Maximizes Cardiovascular Benefits

Physiologically Speaking

Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. But this approach only applies to non-exercisers, right? 1 [link] The researchers recruited 11 healthy adults (8 women; aged 22–50 years) whose habitual activity averaged around 7,156 steps per day.

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Physiology Friday #245: Fitness Protects against Neurodegenerative Diseases—Even in Those at the Greatest Risk

Physiologically Speaking

Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. Because the body and the brain are interconnected, it’s no surprise that when we exercise to elevate physical fitness, “cognitive fitness” follows in lockstep. Moderate: 24.1–31.1 Men Low: 23.7–30.8

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Physiology Friday #253: Low-carb Matches High-carb for Performance: Is it Time to Question the Obligatory Role of Glycogen for Endurance Exercise?

Physiologically Speaking

Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. Traditionally, the crossover point occurs at an exercise intensity between 60% and 70% of one’s maximal oxygen uptake, with maximal fat oxidation happening somewhere in this range. What’s this all mean?

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Physiology Friday #257: Does Training Frequency Matter for Fitness Gains?

Physiologically Speaking

Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. How frequently one exercises may not be as important as how much. That means we know about the frequency of exercise, but not the duration or intensity. The conclusion? In other words—volume drives adaptations.

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Physiology Friday November Recap

Physiologically Speaking

In case you missed it, here are all of the studies I covered in the November 2024 installments of the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. Enjoy (or re-enjoy) these summaries, and don’t forget to share them with someone you think might learn from or be interested in them.