Table 4.
Rate of force development, body weight per second: Mean ± SD.
| Land | Water | Difference, % (Range) | Statistical Result | |
|---|---|---|---|---|
| Ankle hops | 81 ± 32 | 54 ± 24* | ↓ 33 (19-51) | P < 0.01, d = 0.96 |
| Tuck jumps | 69 ± 22 | 26 ± 34* | ↓ 62 (24-66) | P < 0.01, r = 0.76 |
| Countermovement jump | 134 ± 48 | 68 ± 30* | ↓ 50 (7-77) | P < 0.01, d = 1.68 |
| Single-leg vertical jump | 88 ± 24 | 123 ± 88 | ↑ 26 (25-83) | P = 0.31, d = −0.36 |
| Drop jump | 120 ± 43 | 101 ± 43 | ↓ 20 (-12-57) | P = 0.06, d = 0.57 |
*
Significant difference between land and water conditions (P < 0.05).