A) Every 3 minutes for 15 minutes:
Back squat 5x5 @80%
B) Every 5 minutes for 15 minutes (3 rounds):
50 double unders
40 abmat situps
30 Russian kb swings (53/35lb) Rx+ (62-70lb/44-53lb)
20 goblet squats
*Scaling options:
Reduce sit ups to 30 reps
Reduce double unders to something you can do in under 40 seconds or sub 50 power singles (high single unders)