40-20 Challenge

High Intensity Interval Training (HIIT) Workout
40-20 Challenge
40 seconds
20 repetitions

The challenge works as follows:
Eight (8) exercises total
Four (4) exercises that are cardiovascular based
Four (4) exercises that are strength/weight based
40 seconds of work on the cardiovascular exercises
20 repetitions of work on the strength/weight exercises
Complete in pods of two (2) as follows

Mountain Climbers (40 seconds)
Rotational Bicep Curls (20 repetitions)

Burpee (40 seconds)
Dumbbell Floor Chest Press (20 repetitions)

Reverse Lunge (40 seconds)
Overhead Press (20 repetitions)

Flutter Kick (40 seconds)
Bent Over Dumbbell Row (20 repetitions)