Table 3b. Free-swimming parameters of the eight female finalists (fastest) compared to the eight slowest female 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 1.67 ± 0.10 BR 1.64 ± 0.05 * BR 1.34 ± 0.05 FR 1.69 ± 0.10 * (a) F(1 | 56) = 46 < 0.001 0.45
slowest 1.61 ± 0.10 BA, BR 1.44 ± 0.09 BR 1.23 ± 0.05 FR 1.55 ± 0.06 (b) F(3 | 56) = 69 < 0.001 0.79
(c) F(3 | 56) = 2 n.s.
Stroke rate [bpm] fastest 61.8 ± 3.0 BA, BR, FR 49.6 ± 2.4 50.4 ± 3.8 52.1 ± 4.5 (a) F(1 | 56) = 11 < 0.01 0.17
slowest 61.0 ± 2.9 BA, BR, FR 44.6 ± 5.7 46.3 ± 6.5 46.6 ± 5.8 (b) F(3 | 56) = 34 < 0.001 0.65
(c) F(3 | 56) = 1 n.s.
DPS [m/stroke] fastest 1.69 ± 0.08 1.97 ± 0.10 1.65 ± 0.10 1.97 ± 0.14 (a) F(1 | 56) = 0 n.s.
slowest 1.63 ± 0.13 BA, FR 1.99 ± 0.26 BR 1.65 ± 0.30 FR 2.06 ± 0.29 (b) F(3 | 56) = 16 < 0.001 0.46
(c) F(3 | 56) = 0 n.s.
200 m IM Swim velocity [m/s] fastest 1.62 ± 0.03 * BA, BR 1.45 ± 0.04 * BR, FR 1.25 ± 0.02 * FR 1.57 ± 0.03 * (a) F(1 | 56) = 118 < 0.001 0.68
slowest 1.53 ± 0.04 BA, BR, FR 1.31 ± 0.04 BR, FR 1.16 ± 0.06 FR 1.45 ± 0.05 (b) F(3 | 56) = 273 < 0.001 0.94
(c) F(3 | 56) = 1 n.s.
Stroke rate [bpm] fastest 54.7 ± 3.4 BA, BR, FR 40.7 ± 4.5 40.8 ± 3.1 44.4 ± 1.9 (a) F(1 | 56) = 6 0.02 0.10
slowest 52.3 ± 3.7 BA, BR, FR 38.2 ± 2.6 37.6 ± 4.4 43.1 ± 5.9 (b) F(3 | 56) = 47 < 0.001 0.72
(c) F(3 | 56) = 0 n.s.
DPS [m/stroke] fastest 1.84 ± 0.11 2.13 ± 0.19 1.90 ± 0.17 2.09 ± 0.11 (a) F(1 | 56) = 1 n.s.
slowest 1.82 ± 0.13 2.04 ± 0.11 1.90 ± 0.24 2.03 ± 0.26 (b) F(3 | 56) = 8 < 0.001 0.29
(c) F(3 | 56) = 0 n.s.
400 m IM Swim velocity [m/s] fastest 1.51 ± 0.02 * BA, BR 1.35 ± 0.06 * BR, FR 1.19 ± 0.03 * FR 1.52 ± 0.04 * (a) F(1 | 56) = 74 < 0.001 0.57
slowest 1.42 ± 0.03 BA, BR 1.25 ± 0.05 BR, FR 1.12 ± 0.03 FR 1.43 ± 0.05 (b) F(3 | 56) = 229 < 0.001 0.92
(c) F(3 | 56) = 0 n.s.
Stroke rate [bpm] fastest 50.0 ± 4.3 BA, BR, FR 37.0 ± 4.1 36.5 ± 4.3 41.3 ± 3.2 (a) F(1 | 56) = 1 n.s.
slowest 49.5 ± 5.3 BA, BR, FR 35.2 ± 4.0 34.6 ± 4.0 FR 42.2 ± 5.8 (b) F(3 | 56) = 35 < 0.001 0.66
(c) F(3 | 56) = 0 n.s.
DPS [m/stroke] fastest 1.86 ± 0.16 2.13 ± 0.22 2.02 ± 0.25 2.13 ± 0.15 (a) F(1 | 56) = 2 n.s.
slowest 1.77 ± 0.15 2.09 ± 0.22 2.01 ± 0.21 1.98 ± 0.24 (b) F(3 | 56) = 6 < 0.001 0.26
(c) F(3 | 56) = 0 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