Finish your session strong with this plank challenge Rd 1 - 10 sec: high plank 20 sec: Mt climbers Rd 2 - 10 second: high plank 20 sec: Cross Mt climbers Rd 3 - 10 secs: high plank 20 sec: Oblique Mt climbers Too easy? Hold your plank for 20 seconds or repeat for 6 rounds. MWA X *Comment how many rounds you can do without dropping your knees to the ground! #abs #plankchallenge #workout #baliworkout #pilates