A10
10 Rounds
15 Seconds: Holding Back Extension
15 Seconds: Max Push-Ups
30 Seconds: Air Squats
A20
10 Rounds
15 Seconds: Holding Back Extension
15 Seconds: Max Push-Ups
30 Seconds: Air Squats
…then…
10 Rounds
15 Seconds: Hollow Rock Hold
15 Seconds: Max Push-ups
30 Seconds: Straight Leg Deadlift
AStrong
Back Squat 10-7-5-3-1
APulse
30 Seconds: Hollow Hold
30 Seconds: Superman Hold