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. 2023 Jun 13;24:401. doi: 10.1186/s13063-023-07329-6

Fig. 1.

Fig. 1

Schematic diagram of experimental protocol. PA, physical activity monitoring via actigraphy. D2O, heavy water ingestion period. BLG, β-lactoglobulin supplementation, at 23 g three times per day. PLA, placebo supplementation, energy matched to the β-lactoglobulin supplement. Strength, isometric and isokinetic contractions assessed via isokinetic dynamometry