Table 2.

Average paddle movement and the rate of paddle movement (in millimetres) over the 40-s measuring period (mm s⁻¹)

Paddle type	Time period (s)
	0.5–10.0	10.5–20.0	20.5–30.0	30.5–40.0
18 × 24 cm, fixed	0.43 (−0.044)	0.15 (−0.016)	0.09 (−0.010)	0.06 (−0.006)
18 × 24 cm, flexible	0.38 (−0.038)	0.18 (−0.018)	0.13 (−0.013)	0.10 (−0.010)
24 × 29 cm, fixed	0.38 (−0.037)	0.12 (−0.013)	0.06 (−0.007)	0.06 (−0.006)
24 × 29 cm, flexible	0.32 (−0.034)	0.13 (−0.014)	0.09 (−0.010)	0.05 (−0.006)