Articles
Practical training, recovery, and performance guidance from the Fit PA team.
You Peak at 35. Here's What the Science Actually Says Happens Next.
Physical decline starts around 35, but how fast it progresses depends more on consistency than age. Science-backed takeaways for every fitness level.
The Double Threshold Tactical Advantage: Why Your Long Sessions Might Be Sabotaging Your Ceiling
Double threshold training splits a high-volume day in two, but does it cost you anything? The research shows splitting lowers next-day fatigue and doesn't change molecular adaptation, while a single long threshold session builds a distinct kind of durability the split day can't.
Breaking the Ultra Rule: Does Splitting Your Long Run Kill Your Gains?
Endurance culture treats the single, unbroken long run as sacred, but the research tells a more layered story. Splitting a session creates less acute stress, yet produces the same measurable adaptation, until you reach ultramarathon distances, where sustained duration becomes the real training tool.
Beating the Heat: How to Training Through Extreme Temperatures
Heatwaves are hitting record numbers on both sides of the Atlantic, with heat index values topping 108°F across parts of the US this week. Here's what the research actually says about spotting heat illness early, how much electrolyte replacement really helps, and how to train through extreme heat.
She's Built Different: How Women Master Heat, Cold, and Altitude
Heat, cold, and altitude don't affect every body the same way. Here's how hormones shift a woman's temperature regulation, hydration cues, and cold tolerance, and what the research says about training smarter through it.
Why You Can't Sleep -- And What the Science Says to Do About It
Night sweats, racing mind, snoring, pre-race nerves, early morning waking -- poor sleep has many causes and each one has a different fix. Here's what the research actually says, organized by what's keeping you up, with free solutions first.
It's Not a Rest Day. It's a Recovery Decision.
Most athletes think about rest days in binary terms: train or don't train. The science says the real question is more specific than that -- and the answer depends on data you already have.
Your Wearable Is Talking. Here's How to Actually Listen.
You've been wearing a device for months. But when your numbers shift, do you know what to do? Here's how to read the four metrics that actually matter -- and turn your data into daily decisions.
The Stress Paradox: Why Pushing Harder Isn't Always the Path to Peak Performance
True fitness gains come from a cycle of stress and recovery, not from volume alone. Here's the physiology behind why pushing harder isn't always the answer.
Stop Guessing Your Training Load: The 3 Models Every Athlete Must Know
Understanding how to use structured training cycles to reach peak performance without the burnout. Many athletes default to a single, high-intensity model that inevitably leads to plateaus or injury. True performance gains come from rotating through three distinct training models