Table 2.
Mean ± SD of mean absolute and relative force, velocity and power developed over lower-limb extension in the six resistive conditions, as well as the range of individual values in square brackets
| Force | Velocity | Power | ||||
|---|---|---|---|---|---|---|
| N | %F0-L | m s−1 | %v0-L | W | %Pmax-L | |
| C1RM | 1703 ± 325 [1373; 2337] | 96.0 ± 3.6 [94; 99] | 0.29 ± 0.08 [0.19; 0.46] | 8.3 ± 1.9 [5;11] | 492 ± 130 [274; 662] | 31.4 ± 6.3 [19; 42] |
| C50%Fmax | 1 490 ± 325 [1149; 2138] | 82.0 ± 3.7 [76; 88] | 0.67 ± 0.12 [0.50; 0.84] | 19.0 ± 2.2 [16; 23] | 971 ± 131 [800; 1173] | 61.9 ± 5.7 [55; 70] |
| CØFric-0S | 1147 ± 155 [916; 1 410] | 64.1 ± 6.7 [55; 75] | 1.18 ± 0.10 [1.03; 1.30] | 34.3 ± 5.6 [26; 41] | 1366 ± 261 [998; 1816] | 87.0 ± 8.8 [71; 94] |
| CØFric-2S | 1001 ± 134 [819; 1 161] | 56.2 ± 7.7 [45; 66] | 1.30 ± 0.07 [1.13; 1.39] | 37.5 ± 4.7 [30; 45] | 1299 ± 174 [1095; 1 547] | 82.7 ± 4.6 [78; 90] |
| CChar-0S | 628 ± 53 [536; 711] | 35.0 ± 6.7 [24; 42] | 2.27 ± 0.21 [1.95; 2.63] | 65.0 ± 7.5 [56; 76] | 1425 ± 188 [1214; 1732] | 89.0 ± 9.9 [70; 100] |
| CChar-2S | 465 ± 88 [369; 612] | 26.6 ± 6.6 [16; 40] | 2.67 ± 0.25 [2.38; 3.08] | 76.6 ± 7.0 [64; 86] | 1240 ± 262 [1055; 1842] | 79.5 ± 13.4 [57; 100] |
C1RM, Force developed at an extension velocity of ~ 0.3 m s−1; C50%Fmax, Force corresponding to 50% of isometric maximum; CØFric-0S, Force produced while accelerating the chariot, the flywheel (without friction), and the lower limbs; CØFric-2S, Force produced during spring-assisted acceleration of the chariot, the flywheel (without friction), and the lower limbs; CChar-0S, Acceleration of the chariot without flywheel and the lower limbs; CChar-2S, Spring assisted acceleration of the chariot (without flywheel) and the lower limbs; N, Newtons; %F0-L, percentage of the force-axis intercept of the linear F–v relationship; m s−1, meters per second; W, watts; %Pmax-L, percentage of the apex of the P–v relationship, derived from the linear F–v relationship.