intervals
40 seconds on / 20 seconds off
alternate between:
1 - assault bike calories
2 - push press 50kg/35kg
3 - ski erg calories
4 - russian kettlebell swings 32kg/24kg
5 - burpee over bar
4 rounds for max reps
40 seconds on / 20 seconds off
alternate between:
1 - assault bike calories
2 - push press 50kg/35kg
3 - ski erg calories
4 - russian kettlebell swings 32kg/24kg
5 - burpee over bar
4 rounds for max reps