Another to foster gains in squats or presses to pause for 2 seconds on the way up, then use the elastic component to blast through the sticking point. See PSI sponsored Olympian Marilou-Dozois Prévost demonstrate how it is done:
This training approach would be typically used weeks 7-9 of a 12 weeks cycle. Great for athletes to tend to get pinned in the bottom position of squats and presses. Works best in sets/reps schemes such as 8 x 2-3, or 5 x 4-5.