Research
Energy balance
Weekly training volume was approximately 90% lower in the sprint-trained group compared to the endurance-trained group.
Sprint training offers a time-efficient alternative to traditional endurance training with significantly lower energy expenditure.
StrongSupportsmedium confidence
This is particularly impressive given that weekly training volume was ∼90% lower in the sprint-trained group (∼225 versus 2250 kJ week−1).
Why this rating
The data is explicitly stated in the abstract.
Source
Specificity of training adaptation: time for a rethink?
John A. Hawley · The Journal of Physiology · 2008
DOI 10.1113/jphysiol.2007.147397
reviewCited 108×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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