Experimental protocol
CONTRACTIONS
Participants were asked to refrain from alcohol and caffeine consumption, as well as from strenuous exercise for 2 d before and throughout the experimental protocol, though to keep all other daily habitual activities as normal. Participants attended the laboratory each day for a 5-d (Monday to Friday) experimental period with days 2 to 4 (that is, 3 d, Tuesday to Thursday, inclusive) involving dietary control. During each day of the 3-d dietary control period, participants attended the laboratory to conduct a single bout of unilateral leg extension exercise consisting of 5 sets of 30 repetitions of maximal concentric isokinetic knee extension contractions of their dominant leg (see 