Day 14 of the 21-Day Ab Challenge. This no plank ab workout will fire up those abs, without placing any pressure on the wrists and shoulders.

The perfect to-do anytime ab workout, as well as a great one to tack on after a cardio or strength workout for anyone who hates planks and is looking for a no plank, ab torcher workout.

FYI: this workout is NOT osteoporosis-friendly.

Tools: a mat

2 x 50sec
Frog crunch
Reverse curl
Bicycles
Side crunch
Side crunch