This is a more challenging version of a workout we did last week. Every minute on the minute, do the reps of the primary exercise, then finish the minute with as many reps as possible of the secondary exercise.
Minute 1: 10 Pike Pushups, then Star Crunches
Minute 2: 10 Mountain Climber Pushups, then Flutter Kicks
Minute 3: 10 Speed Skaters each leg, then Plank Leg Raises
Minute 4: 10 Jumping Lunges each leg, then Ab Rockers
Minute 5: Rest.