Session Quality Trends
Also known as: Training State, Readiness Trend
A composite assessment of your training trajectory based on effort delta trends and adherence trends over your last 6 completed sessions.
Formula
Linear regression on effort deltas (slope > 0.05 = "creeping up", < -0.05 = "under-reaching") combined with adherence trend (slope > 0.02 = "improving", < -0.02 = "declining"). Overall state: improving / stable / risk / insufficient data.Example
Effort trend: stable. Adherence trend: improving. Overall state: "Improving" — you're getting more consistent while staying within prescribed intensity.
How Afitpilot Uses This
Quality trends appear in coaching dashboards and feed into the AI's weekly plan generation. A "risk" state (creeping effort + declining adherence) may prompt a deload recommendation or plan adjustment.
What each quality state means for you
| Who / Context | Value | Note |
|---|---|---|
| Improving | More consistent + on-target effort | Ideal trajectory — keep going |
| Stable | Ticking along fine | No action needed |
| Risk | Effort creeping up + adherence dropping | Classic pre-burnout pattern — consider deload |
| Insufficient data | < 2 completed sessions | Keep logging — trends need data |
| Runner's equivalent | ACWR > 1.3 = injury risk | Same concept, different math |
Known Limitations
- •Requires minimum 2 completed sessions for any trend, and the regression is more meaningful with 4-6 data points. Early in a program, the trend is unreliable.
- •The regression slope thresholds are static (0.05 for effort, 0.02 for adherence) and not individualized. Athletes with naturally higher session-to-session variance may trigger false "risk" flags.
- •The overall state is a simple rules-based classification, not a machine learning model. It captures common patterns but may miss nuanced scenarios.
What We're Improving
Science Context
Monitoring training load trends is a well-established practice in sports science. The acute:chronic workload ratio (ACWR) is a more sophisticated approach used in team sports; our trend analysis is a simplified version of this concept applied to session-level metrics.