30-minute Core Exercises for Waist, Abs and Obliques

2. Side plank hip lifts: 30 seconds + 30 seconds. Start in a side plank position, with your shoulder over your elbow and your body in a straight line. Bring your hip down, without letting it touch the floor, and then bring it back up to the initial position. Repeat for 30 seconds and then switch sides.

3. Triangle crunch: 30 seconds + 30 seconds. Kneel on your left knee, extend your right leg to the side, place your left hand on the floor and place your right hand behind your head. Bring your right knee toward your right elbow and squeeze. Return to the starting position, repeat for 30 seconds and then switch sides.

4. Fingertip to toe jacks: 60 seconds. Stand with your feet hip-width apart and your hands by your sides. Bend your left leg and lift your foot as high as you can. Slightly rotate your torso to the left and try touching your left foot with your right hand. Repeat on the opposite side and keep alternating sides.

5. Plank leg lifts: 45 seconds. Start in a low plank position, lift your left leg to a 45-degree angle and hold for 2 seconds. Switch legs and repeat6. Cobra lat pulldown: 45 seconds. Lie on your stomach with your legs and arms fully extended. Raise your upper body, bend your arms and bring your shoulder blades together. Lower your upper body, extend your arms and repeat.

6. Cobra lat pulldown: 45 seconds. Lie on your stomach with your legs and arms fully extended. Raise your upper body, bend your arms and bring your shoulder blades together. Lower your upper body, extend your arms and repeat.

7. Wood chop: 30 seconds + 30 seconds. Stand up and hold a dumbbell with both hands. Rotate your torso to the right and raise the dumbbell until it’s over your right shoulder. Squat as you rotate your torso to the left, and bring the dumbbell diagonally across the body until it’s close to your left hip. Repeat for 30 seconds and then switch sides.

8. Seated knee tucks: 60 seconds. Sit with your hands on the mat, your legs fully extended and lean back. Bend your legs and bring your knees toward your chest. Hold for a second or two, and then fully extend your legs without touching the mat.

9. Alternating heel touchers: 45 seconds. Lie on your back, bend your knees and keep your arms extended and by your sides. Crunch forward and to the left, touching your left heel with your left hand and hold. Return slowly to the starting position and repeat the movement on the right side.

10. Plank rotation: 60 seconds. Get into a plank position, with your hands under your shoulders, your feet a little wider than hip-width apart, and hold a dumbbell in each hand. Twist your torso and lift your left hand toward the ceiling. Bring your left hand back to the initial position and repeat on the right side.