Acute caffeine ingestion differentially alters motor unit behaviour during submaximal and fatiguing contractions
Yuxiao Guo, Thomas B. Inns, Vic Sun, Eleanor J. Jones, Bethan Eileen Phillips, Philip Atherton, Mathew Piasecki
This study examines how acute caffeine affects motor unit behavior during submaximal and fatiguing contractions, finding changes in discharge rate and variability without enhancing maximal force or fatigue resistance.
bioRxiv · Sep 21, 2026 · PreprintPhysiology