5 RM Back Squat

Then
10 minute AMRAP
20 Box Jumps (24/20)
6 HSPU 
20 Box Jumps
9 HSPU
20 Box Jumps
12 HSPU
20 Box Jumps
15 HSPU (Add 3 HSPU each round until the 10 minutes expire)
*Box Jumps must be jumps, not step ups.  Use a low box or a plate to jump on.
**Box Jumps must be step down and reset, no rebounding.