https://greenlifenutrition.org/better-strength-maximizer/

Better Strength Maximizer In case you are wondering about the exercises, alternative jumping is nothing more than bounding carried out on a flat surface, while alternating from left foot to right, right to left, etc. Bilateral counter-movement jumps are standing jumps, carried out using both legs at the same time; they are usually performed in place without any horizontal displacement. The word "bilateral" simply refers to the fact that both legs simultaneously provide the force for the jumps.