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

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.