Table 1 The effect of post-activation potential (PAP) on arm-pull kinetics and kinematics.

From: Arm-pull thrust in human swimming and the effect of post-activation potentiation

 

Non-PAP

Mean±SD

(95CI)

PAP

Mean±SD

(95CI)

Worthwhile change

(% of non-PAP)

Δ

P

|d|

Peak thrust [N]

72.3 ± 11.6

80.9 ± 11.9

2.32N

13.37%

0.010

0.74

(66.1–78.7)

(74.5–87.9)

(3.20%)

Mean Thrust [N]

27.9 ± 7.7

31.9 ± 8.1

1.55N

18.90%

0.054

0.50

(23.8–32.4)

(26.6–36.7)

(5.54%)

Thrust-time integral [N.s]

33.5 ± 8.6

38.3 ± 6.2

1.25N.s

18.73%

0.004

0.63

(28.7–38.2)

(34.4–41.8)

(3.26%)

Speed [m/s]

0.84 ± 0.10

0.86 ± 0.09

0.02 m/s

2.78%

0.307

0.18

(0.78–0.89)

(0.80–0.90)

(2.08%)

Speed fluctuation [dimensionless]

0.14 ± 0.02

0.14 ± 0.05

0.01

0.73%

0.498

0.04

(0.12–0.15)

(0.11–0.17)

(7.41%)

  1. SD – standard deviation, 95CI – bootstrapped 95% confidence interval, Δ – percentage of individual change, P – P-value, d – Cohen’s d.