Feel Confident as Hell at the Beach With 5 Flat-Ab Moves

Karena and Katrina love this simple core-toning move.

• Begin lying on your back with your legs bent and arms straight in front of you.
• Engage your core to lift your shoulders off the ground. Continue raising your upper body off the ground until you are sitting straight up.
• With control, lower back down to the ground.
• Complete 15 reps.

They said that "this move tones your core and shoulders!"

• Begin standing with your feet hip width apart, hands by your side.
• Hinge forward from the hips and walk your hands down your legs until you reach the ground.
• Walk out into a plank position.
• Hold for a few seconds, then walk your hands back to your feet and return to a standing position.
• Complete 15 reps.

This oblique crunch will help you sculpt your waistline while toning your lower abs.

• Begin in a plank position with your hands directly below your shoulders and core engaged.
• Lift your right foot off the ground, and bring your right knee to meet your right elbow.
• Lower back to start.
• Repeat on the opposite side.
• Complete 15 reps on each side, 30 reps total.

They told us that this move "tones your lower abs, booty, and quads while increasing your heart rate and metabolism!"

• Begin in a squat position with your legs hip width apart and arms behind you, making sure your knees don't go past your toes.
• Swing your arms forward and jump into the air, bringing knees up to meet elbows in front of your core.
• Land softly back on your feet.
• Complete 15 reps.

This lower-ab toning move also "sculpts your obliques and shoulders."

• Begin standing with your arms stacked in front of you and parallel to the ground.
• Engage your core and twist your upper body as you raise your right knee up to meet your left elbow.
• Lower back down. Repeat on the opposite side.
• Complete 15 reps on each side, 30 reps total.