Table 2.
Peak and angle specific eccentric evertor, concentric invertor strength and E/I ratio toward the end range in chronic ankle instability and healthy groups. Data are mean (SD).
Chronic Ankle Instability
Healthy
Ecc-Ev
(Nm)
Con-In
(Nm)
Ratio
Ecc-Ev
(Nm)
Con-In
(Nm)
Ratio
Peak Torque
28.9 (5.3)
**
18.6 (4.5)
1.7 (0.6)
37.3 (5.8)
19.7 (3.6)
1.9 (0.5)
0°
24.4 (5.4)
*
18.8 (4.2)
1.3 (0.3)
32.8 (4.9)
20.9 (4.3)
1.7 (0.5)
5°
24.8 (6.5)
*
15.8 (3.4)
1.6 (0.3)
34.7 (5.2)
17.6 (4.5)
2.1 (0.7)
10°
23.1 (8.4)
**
12.5 (3.7)
1.9 (0.6)
36.7 (5.5)
15.3 (5.0)
2.7 (1.1)
15°
19.1 (10.3)
**
8.6 (3.0)
2.2 (0.6)
*
37.6 (5.7)
11.4 (4.8)
3.9 (1.7)
20°
15.7 (8.2)
**
6.0 (2.3)
2.6 (0.7)
*
32.8 (6.0)
8.3 (4.4)
4.9 (2.5)
Abbreviations: Ecc-Ev: Eccentric Evertor, Con-In: Concentric Invertor, Ratio: Eccentric Evertor/Concentric Invertor (E/I).
* denote p<0.05
** denote p <0.01 – CAI group compared with healthy group.