Table 2. Reaction forces, normalized to body weight, transmitted to the upper extremities of high-level gymnasts during the round-off phase of the Yurchenko vault and floor exercise round-off. (A/P = anterior-posterior). Data are means (±SD).
Yurchenko Vault Floor
Exercise
p-value Effect Size Observed Power
Vertical reaction force 2.38 (.26) * 2.15 (.32) .030 .64 .94
A/P reaction force .78 (.12) .60 (.09) .001 .84 1.00
Vertical reaction force range 2.11-3.00 1.67-2.60
A/P reaction force range .58-.94 .50-.72
† Significantly different from floor exercise condition
* Significantly different from floor exercise condition