Time course of changes in height (H) of drop jumps (DJs), maximal voluntary contraction force (MVCF), muscle force evoked by electrostimulation at low (P20) and high (P100) frequencies at knee angle 90 degrees after 10, 50 and 100 DJs and 1, 4, 8, 24, 48 and 72 h after SSE (mean±
SSE - stretch-shortening exercise (100 drop jumps performed from 0.5
m with counter-movement to 90 degrees in the knee with immediate maximal
rebound, with 30 s interval between the jumps). The dashed line indicates
the pre-exercise mean level.