Side plank with twist
Get into a side plank position on your left forearm with your feet either stacked or staggered. Place your right hand behind your head and keep it there while you try to bring your elbow towards the floor. Be sure to contract your obliques during this motion. Raise back to starting position. Repeat for 15 reps, then switch sides.
Lie on your back with your feet flat on the ground and your arms by your sides. Crunch up by raising your chest towards the ceiling. From here, reach for your right heel with your right hand. Then reach for your left heel with your left hand. Continue alternating for a total of 15 reps per side.
Lie on your back with your legs straight and your arms over your head. From here, bring your right arm and left leg up towards each other using your abs, and touch your foot. Come back to starting position and repeat with your left arm and right leg. Continue alternating until you’ve completed 15 reps on each side.
V-ups or knee hugs
Lie on your back with your legs straight and your arms over head. Take both arms and both legs towards eachother so that they meet above your waist. Squeeze your abs in as you slowly lower down to the floor. Repeat for a total of 15 reps. If this is too difficult, you can try knee hugs. For this variation, do the same movement, except with bent knees.
Start by kneeling on your left leg with your right leg straight to the side. Place your left arm on the floor and your right arm behind your head. From here, crunch your obliques by bringing your right knee towards your right elbow. Repeat for 15 reps, then switch sides.
Lie on your back with your hands behind your head and your feet raised. Your knees should be bent at a 90 degree angle. Start the movement by bringing your right elbow towards your left knee and straightening your right leg. Hold for 1 second, then switch sides. Alternate between left and right for a total of 15 reps per side.
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