Mark your calendar with our 30-day (printable) plank challenge! Remember, hold each plank for only as long as you can maintain good form. 

Try the plank challenge to beat belly fat in no time

belly fat

Health

Fitness

Tighten and tone your abs, obliques and back just in time to reveal your best beach bod (no crunches required!) with these easy at home exercises for your core.

Four easy at home exercises for your core

On the eleventh day of fitness celebrity trainer Ramona Braganza shows us how to do a proper plank to strengthen abs

12 days of fitness: Strong abs

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Alanna Glassman; Consulting trainer Dagmar Storek

You'd never guess it, but these pumped-up power moves will get flat abs — plus every other major muscle from head to toe.

Get flat abs fast with these calorie-torching moves

weight loss

Kathleen Trotter; Photos by Roberto Caruso

Build stability through your entire core with these power moves - and get more definition too!

abs

Try the plank challenge to beat belly fat in no time

Four easy at-home exercises for a total core makeover

12 days of fitness: Strong abs on day 11

Get flat abs fast with these calorie-torching moves

Best 10-minute ab workout