Load break up squats with a vest for unilateral energy. Keep the torso upright and drive because of the entrance heel each and every rep.

https://www.mediafire.com/file/ze65eo8b87wrvqz/pdf-62092-29889.pdf/file

Load cut up squats with a vest for unilateral energy. Keep the torso upright and power due to the the front heel both rep.