This all-levels cardio workout is so much fun! Using the training technique, AMRAP, you'll perform 4 moves, circuit-style, for as many rounds as possible.

Low and high-impact options are shown, as well as osteoporosis-friendly ab exercises. You are going to love this workout!

Day 12 of the 21-Day Fit & Fierce Challenge.

Tools: nothing (chair if you are a beginner)

5 minutes
10 jumping jacks
10 gate swings
10 repeater knee
10 other repeater knee

---- REST

5 minutes
8 crab dance
8 bicycles
8 dead bugs
8 plank jacks

--- REST

5 minutes
6 burpees
6 skater to crossover lunge
6 side to reverse lunge
6 side to reverse lunge