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. 2021 Sep 25;18(19):10090. doi: 10.3390/ijerph181910090

Table 3.

Number of participants experiencing >10% change in performance due to maximal treadmill running.

Variable Change Unloaded # (%) Loaded # (%)
Impulse Decrease 1 (8) 1 (8)
Peak vGRF Increase 6 (46) 6 (46)
RFD Decrease 7 (54) 7 (54)
Contact Time Increase 1 (8) 2 (15)
RSI Decrease 4 (31) 5 (38)
Jump Height Decrease 3 (23) 4 (31)
LESS Increase 7 (54) 6 (46)

#, number of agents with corresponding percent change out of the 13 total sample. vGRF, vertical ground reaction force; RFD, rate of force development; RSI, reactive strength index; LESS, landing error scoring system, total score.