Table 2. Angle displacements of the chest joint during giant slalom (GS) gate running and reference free-skiing.
Right turn
Left turn
GS (degrees)
Reference (degrees)
Difference (%)
GS (degrees)
Reference (degrees)
Difference (%)
LW10-2
Flexion/Extension
18.3
23.3
21.5
16.6
17.6
5.7
Lateral flexion
36.6
37.7
3.0
36.3
38.6
6.0
Rotation
24.7
27.1
8.9
25.2
26.9
6.2
LW11
Flexion/Extension
11.0
13.0
15.5
19.8
15.5
27.3
Lateral flexion
37.4
35.3
6.0
30.8
29.7
3.7
Rotation
25.3
27.1
6.8
23.4
25.2
7.0
LW12-2
Flexion/Extension
32.9
27.1
21.3
35.1
30.9
13.7
Lateral flexion
58.2
50.2
16.0
58.8
55.3
6.4
Rotation
39.4
34.8
13.1
35.6
36.9
3.6
Mean (Standard deviation)
12.4 (6.3)
8.9 (7.1)
The reference data are angle displacements in free-skiing (middle turn with a slalom ski) and were measured on the same slope among three sit-skiers. The overall trend was similar in both runs, and the mean of the differences was approximately 10%.