Tom Jelen SIT 3 Sets High Torque: SIT - 3x(4x30s) Sprint @ 50-60 rpm Volume progression of the Hebisz & Hebisz (2024) SIT protocol. Three sets of 4 x 30-second maximal sprints at 50-60 rpm, with 90 seconds recovery between sprints and 25 minutes active rest between sets. 12 total sprints. Seated throughout. bike