Table 1. Comparisons of countermovement and squat jump propulsion phase variables between the force plate and the Jumpo 2 and MyJump 2 apps.
| Countermovement Jump | Squat Jump | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Variables | Force Plate | Jumpo | TEE Jumpo | MyJump | TEE MyJump | Force Plate | Jumpo | TEE Jumpo | MyJump | TEE MyJump |
| Jump height (cm) |
35.2 ± 6.2 | 35.4 ± 6.1 | 0.9 (2.8) | 35.0 ± 6.1 | 1.1 (3.4) | 29.7 ± 6.0 | 29.5 ± 5.9 | 1.0 (3.9) | 29.1 ± 5.9 | 1.0 (3.8) |
| Mean force (N) |
1,292 ± 150 | 1,322 ± 215 | 51.8 (4.1) | 1,315 ± 212 | 55.5 (4.4) | 1,152 ± 190 | 1,215 ± 197 | 125 (10.9) | 1,209 ± 194 | 124 (10.8) |
| Mean velocity (m s−1) | 1.57 ± 0.11 | 1.31 ± 0.11* | 0.06 (4.0) | 1.31 ± 0.11* | 0.07 (4.2) | 1.12 ± 0.14 | 1.20 ± 0.12 | 0.14 (14.1) | 1.19 ± 0.12 | 0.14 (14.1) |
| Mean power (W) |
2,028 ± 284 | 1,740 ± 346 | 141 (6.9) | 1,721 ± 340 | 151 (7.5) | 1,302 ± 335 | 1,458 ± 306 | 324 (27.1) | 1,443 ± 300 | 323 (27.0) |
Notes.
Data are presented as mean ± SD.
*
Less than force plate (p < 0.001). The typical error of estimates (TEE) are presented as raw units and percentage (%).