Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Variation in squat jump (SJ) (A) and relative mean propulsive power in jump squat exercise (MPP REL JS) (B) test results across the five periods. The black line represents the mean individual performances, and the gray area represents the smallest important effect on performances (i.e., calculated as half of the within-athlete test-to-test variability).
