Skip to main content
. 2014 Nov 14;87(1044):20140241. doi: 10.1259/bjr.20140241

Table 4.

Average compression force change and the rate of change (in Newtons) over the 40-s measuring period (N s−1)

Paddle type Time period (s)
1–10 11–20 21–30 31–40
18 × 24 cm, fixed 7 (−0.7) 2 (−0.2) 1 (−0.1) 1 (−0.1)
18 × 24 cm, flexible 3 (−0.3) 0 (0) 1 (−0.1) 0 (0)
24 × 29 cm, fixed 6 (−0.6) 2 (−0.2) 1 (−0.1) 0 (0)
24 × 29 cm, flexible 3 (−0.3) 1 (−0.1) 0 (0) 0 (0)