Workout your abs with Oxygen fitness model and columnist Jamie Eason! Her personal no-equipment abs workout will sculpt your midsection and challenge your abs. Try her favorite moves today!

Tighten your core with these three effective abs moves from Jamie Eason!

Try two to four sets for each exercise in the video.

Reps

• Slow motion straight-legged sit-up: 10 to 12 reps
• V-up: 12 to 15 reps
• Bicycle: 15 to 20 reps (counting one rotation on each side as a single rep)

Rest Do each move as described, resting for 30 seconds to one minute between sets. They can be done in succession (finishing all sets of one exercise before moving on to the next), or perform one set of each move then begin again from the top.