Table 4.
Changes in lumbar rotation during the 6 time points. NB lumbar flexion is denoted by positive angles, extension by negative. Data are means (±SD, n=6).
Time interval
A (2-7 min)
B (14-19 min)
C (24-29 min)
D (32-37 min)
E (44-49 min)
F (54-59 min)
Flexion at the catch (°)
33.6 (7.0)
33.9 (6.8)
34.5 (6.7)
34.5 (6.8)
35.8 (7.0)
34.9 (7.2)
Extension at the finish (°)
-13.5 (8.0)
-18.1 (5.9)
-18.8 (6.5)
-18.3 (5.8)
-18.7 (5.8)
-20.2 (4.7)
Maximum flexion in stroke (°)
35.3 (7.1)
35.8 (7.0)
36.3 (7.0)
36.3 (7.0)
37.6 (7.1)
36.8 (7.5)
% stroke where maximum flexion occurs
92.7 (10.2)
93.2 (10.0)
93.3 (10.1)
93.3 (10.1)
92.4 (11.0)
93.0 (10.4)
Maximum extension in stroke (°)
-31.4 (6.3)
-36.0 (5.2)
-37.8 (6.2)
-37.8 (5.0)
-36.5 (5.3)
-36.4 (5.4)
% stroke where maximum extension occurs
31.8 (1.7)
32.2 (1.5)
32.7 (1.6)
32.8 (1.9)
32.2 (3.1)
32.7 (2.9)