Apr 09, 2018 by
Up for a challenge? If you are looking for exercises that engage your core, try this 5-minute plank challenge! With no breaks in between, this challenge looks harder than you think. During the challenge, Joanna throws in some cardio to mix with the ongoing plank – so get ready to sweat! Your arms and abs will burn, but this challenge is only 5 minutes long so it is a feasible challenge to complete. Try it for yourself:
