Fitness
Strain Score
Strain score summarizes cardiovascular load from a day or session on wearables that model effort from heart rate. High strain with low recovery suggests backing off; low strain on rest days supports adaptation.
Strain score summarizes cardiovascular load from a day or session on wearables that model effort from heart rate. High strain with low recovery suggests backing off; low strain on rest days supports adaptation.
Scores are not comparable across brands.
Related terms
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