"Setting goals is easy. Reaching them is where the challenge lies."

That's the premise of a Facebook group designed to help people achieve their health and fitness goals by daring them to publicly commit to a different challenge each month, according to The Washington Post.

The group was created by Jaime Andrews, a trainer who calls her methodology "commitment training." At the start of each month, she posts a dare on the group's Facebook page. Among them: doing daily plank holds to strengthen the core, adding green vegetables to one meal each day and doing as many mountain climbers as possible in 40 seconds.

It may not sound like much, but Andrews says that committing to small, short-term goals "accumulates day by day into a huge accomplishment by the end of the month."

Andrews also regularly posts advice and motivational comments on the page.

It's free to join the group, and the challenges are not limited by geography, so you can play along even if you don't live nearby.

Wanna join the fun (and challenge yourself to be even healthier)? Visit the Jaime Andrews Fitness Training & Consulting Facebook group to learn more.