Table 1.
Effects of the four post-activation potentiation conditions on 50-m freestyle swimming performance: (i) stroke rate, (ii) stroke length, post-exercise rate of perceived exertion (RPE), blood lactate concentrations [La] and heart rate.
| Performance (s) | Stroke rate (Hz) | Stroke length meter/cycle) | RPE | [La] (mM/L) | Heart rate - (bpm) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pre-50-m | 1 min post- | 3 min post- | 5 min post- | Pre-50-m | 1 min post- | 3 min post- | 5 min post- | |||||
| PU (N = 17) | 32.62 ± 2.81 | 0.8 ± 0.08 | 1.93 ± 0.25 | 8.3 ± 1.5 | 3.6 ± 0.9∗$ | 7.0 ± 1.8∗# | 8.5 ± 2.1∗# | 8.6 ± 2.3# | 86 ± 18 | 130 ± 15 | 99 ± 13 | 97 ± 11 |
| SQ (N = 17) | 32.42 ± 2.32 | 0.81 ± 0.08 | 1.92 ± 0.24 | 8.5 ± 1.0 | 2.9 ± 1.3 | 7.3 ± 1.9∗# | 8.5 ± 2.1∗# | 8.2 ± 1.8# | 85.08 ± 17 | 136 ± 11 | 105 ± 18 | 95 ± 18 |
| BP (N = 17) | 32.46 ± 2.26 | 0.8 ± 0.08 | 1.94 ± 0.22 | 8.0 ± 2.0 | 3.1 ± 0.7∗ | 7.5 ± 2.2∗# | 8.4 ± 2.5# | 8.3 ± 2.2# | 86.91 ± 21 | 136 ± 19 | 103 ± 17 | 99 ± 15 |
| Control (N = 17) | 32.84 ± 2.53 | 0.79 ± 0.07 | 1.96 ± 0.20 | 8.0 ± 1.0 | 1.9 ± 0.8 | 5.3 ± 1.5# | 6.8 ± 1.9# | 7.1 ± 2.0# | 83 ± 18 | 125 ± 24 | 97 ± 23 | 104 ± 17 |
Means ± SD; PU, push-ups; SQ, squat jumps; BP, burpees; RPE, rating of perceived exertion; blood Lactate concentration [La]; Heart rate (HR). ∗Significantly different from control (p < 0.05), $Significantly different from SQ (p < 0.05), #Significantly different from pre-50-m sprint (p < 0.05).