The blog
Training Load & Periodization
How hard you're actually training, and how to structure it over time so effort turns into fitness instead of injury — periodization, workload ratios, and knowing when to push and when to back off.
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Apple Watch's Effort Rating: Why It's Worth Turning On for Every Workout
Apple Watch scores effort automatically for about 17 cardio workout types. Strength training waits for a tap you may not know exists, and the gap shows.
Marina · -
The Hybrid Athlete's Guide to Managing Training Load Across Strength and Endurance
Lifting and running do interfere with each other, but only modestly and mainly in lower-body strength. Here's how to sequence and track both so neither stalls.
Martin · -
Acute vs Chronic Workload Ratio (ACWR) Explained: How to Avoid Overtraining
What the acute:chronic workload ratio actually measures, why the 0.8-1.3 sweet spot lowers injury risk, and where the ratio's math breaks down.
Martin ·
Astrea tracks your training load automatically and flags when you’re ramping up too fast — before it turns into an injury.