Table 3a. Free-swimming parameters of the eight male finalists (fastest) compared to the eight slowest male swimmers from the heats by a 2-way analysis of variance (ANOVA).
BU BA Swimming stroke ANOVA
BR FR F-value P-value pη2
100 m IM Swim velocity [m/s] fastest 1.90 ± 0.07 * BA, BR 2.08 ± 0.08 * BR, FR 1.31 ± 0.04 FR 1.87 ± 0.08 * (a) F(1 | 56) = 80 < 0.001 0.59
slowest 1.76 ± 0.09 BA, BR 1.64 ± 0.09 BR 1.39 ± 0.06 FR 1.72 ± 0.05 (b) F(3 | 56) = 171 < 0.001 0.90
(c) F(3 | 56) = 35 < 0.001 0.65
Stroke rate [bpm] fastest 59.6 ± 1.6 BA, BR, FR 50.3 ± 2.4 49.7 ± 6.1 50.8 ± 2.7 (a) F(1 | 56) = 1 n.s.
slowest 58.6 ± 2.6 BA, BR, FR 46.3 ± 3.4 50.8 ± 7.5 50.3 ± 3.1 (b) F(3 | 56) = 22 < 0.001 0.54
(c) F(3 | 56) = 1 n.s.
DPS [m/stroke] fastest 2.02 ± 0.04 2.17 ± 0.16 BR 1.89 ± 0.22 FR 2.28 ± 0.09 (a) F(1 | 56) = 9 < 0.01 0.14
slowest 1.87 ± 0.07 2.12 ± 0.19 BR 1.75 ± 0.28 FR 2.13 ± 0.15 (b) F(3 | 56) = 18 < 0.001 0.49
(c) F(3 | 56) = 0 n.s.
200 m IM Swim velocity [m/s] fastest 1.81 ± 0.04 * BA, BR, FR 1.63 ± 0.05 * BR, FR 1.38 ± 0.02 * FR 1.73 ± 0.03 * (a) F(1 | 56) = 95 < 0.001 0.63
slowest 1.70 ± 0.06 BA, BR 1.48 ± 0.05 BR, FR 1.30 ± 0.04 FR 1.62 ± 0.05 (b) F(3 | 56) = 249 < 0.001 0.93
(c) F(3 | 56) = 2 n.s.
Stroke rate [bpm] fastest 50.6 ± 5.2 BA, BR, FR 43.2 ± 2.4 39.8 ± 2.6 44.8 ± 2.1 (a) F(1 | 56) = 0 n.s.
slowest 53.1 ± 2.6 BA, BR, FR 40.3 ± 2.2 41.4 ± 5.9 43.7 ± 2.8 (b) F(3 | 56) = 34 < 0.001 0.64
(c) F(3 | 56) = 2 n.s.
DPS [m/stroke] fastest 2.13 ± 0.05 2.23 ± 0.11 2.19 ± 0.13 * 2.28 ± 0.12 (a) F(1 | 56) = 18 < 0.001 0.24
slowest 2.00 ± 0.08 2.20 ± 0.11 BR 1.93 ± 0.23 FR 2.17 ± 0.09 (b) F(3 | 56) = 9 < 0.001 0.32
(c) F(3 | 56) = 2 n.s.
400 m IM Swim velocity [m/s] fastest 1.63 ± 0.02 BA, BR 1.47 ± 0.06 BR, FR 1.34 ± 0.03 * FR 1.66 ± 0.04 * (a) F(1 | 56) = 50 < 0.001 0.47
slowest 1.61 ± 0.04 BA, BR, FR 1.42 ± 0.04 BR, FR 1.24 ± 0.04 FR 1.54 ± 0.04 (b) F(3 | 56) = 226 < 0.001 0.92
(c) F(3 | 56) = 5 < 0.01 0.22
Stroke rate [bpm] fastest 48.6 ± 2.1 BA, BR, FR 36.9 ± 3.8 FR 34.4 ± 2.2 FR 41.7 ± 2.6 (a) F(1 | 56) = 0 n.s.
slowest 49.6 ± 2.5 BA, BR, FR 37.3 ± 1.1 34.5 ± 2.7 FR 39.8 ± 2.4 (b) F(3 | 56) = 104 < 0.001 0.85
(c) F(3 | 56) = 1 n.s.
DPS [m/stroke] fastest 2.08 ± 0.08 BA, BR, FR 2.36 ± 0.19 2.43 ± 0.15 2.35 ± 0.15 (a) F(1 | 56) = 17 < 0.001 0.24
slowest 2.02 ± 0.08 FR 2.23 ± 0.05 2.22 ± 0.13 2.23 ± 0.11 (b) F(3 | 56) = 17 < 0.001 0.47
(c) F(3 | 56) = 1 n.s.
IM: Individual Medley, BU: Butterfly, BA: Backstroke, BR: Breaststroke, FR: Freestyle, DPS: distance per stroke, n.s.: not significant. (a) Main effect group: fastest vs. slowest swimmers (b) Main effect swimming stroke: BU vs. BA vs. BR vs. FR (c) Interaction effect: group x swimming stroke Post-hoc comparisons:* significant difference to slowest swimmers BU, BA, BR, FR significant difference to particular swimming stroke