training load

Fitness Apps

Recovery Scores on Watches and Rings: How to Read Readiness Data

Learn how wearables combine HRV, resting heart rate, sleep and activity into recovery scores and why personal trends matter more than one number.

June 21, 2026 6 minute read

Fitness Apps

Heart Rate Zone Apps: How to Use Them Without Overtraining

Use heart-rate zone apps with sensor limits, perceived effort, gradual progression and awareness of factors that can change the pulse response.

June 8, 2026 5 minute read