Table 4. Physiological and biomechanical variables recorded during the cycle-run sessions. Data presented as mean ( SD).
Parameters Cycle
(72 rpm)
Run Cycle
(84 rpm)
Run Cycle
(97 rpm)
Run
FVO2max (%) 74.0 (7.9) 76.8 (10.6) 77.7 (11.1) 79.5 (11.0) 78.7 (8.7) 78.5 (11.3)
HR (bpm) 152 (12) 158 (15) 157 (12) 168 (12) †  159 (11) * 160 (12)
Lactate (mmol·l-1) 9.0 (3.2) 8.3 (3.2) 7.5 (3.8) 10.0 (3.3) 10.8 (4.9) 9.1 (4.0)
RPE 13.8 (1.6) 14.4 (1.7) 14.0 (1.5) 15.1 (2.0) 14.3 (1.4) 15.0 (2.2)
VE (l·min-1) 978 (12) 107 (19) 103 (13) 111 (17) 111 (14) * 108 (17)
RER .93 (.04) .9 (.04) .93 (.05) .87 (.05) .94 (.06) .88 (.04)
Stride length (m) 2.29 (.3) 2.37 (.35) 2.32 (.3)
Stride frequency (Hz) 1.46 (.08) 1.45 (.07) 1.47 (.08)
Hip angle foot-strike (°) 159 (3) 159 (4) 159 (2)
Hip angle toe-off (°) 186 (6) 186 (4) 185 (4)
Knee angle foot-strike (°) 163 (3) 164 (4) 163 (4)
Knee angle toe-off (°) 159 (7) 160 (5) 160 (5)
Running velocity(km·hr-1) 12.02 (1.87) 12.38 (1.89) 12.28 (1.58)
* Significantly different from the slow and preferred cycle-run sessions: p < 0.05. Significantly different from the slow cycle-run session: p= 0.025.