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Abs and Core Exercises

The 20 Minutes to Hard ‘Core’ Abs Workouts

Get a ripped midsection—fast—with these 7 challenging core workouts.

by Men's Fitness Editors
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The 20 Minutes to Hard ‘Core’ Abs Workouts

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1 OF 7

1 of 7

hanging leg raises

Workout 1

Exercise 1: Bicycle Crunch
Sets: 3
Reps: 12 on each side
Lie on your back, extending one leg, while bringing the opposite knee toward your chest. With your hands behind your head, touch your opposite elbow to the close knee. Twist your body and touch the other elbow to your other knee.Exercise 2: Hanging Leg Raise
Sets: 3
Reps: 12 each side
Grab onto a pullup bar and hang with your back straight. Then, raise your legs up as high as you can, rounding your lower back. If that’s too hard, raise them only to waist level.Exercise 3: Back Extension
Sets: 3
Reps: 12
Hold a weight against your chest and lock your legs into a back-extension apparatus. Allow your torso to bend forward until you begin to lose the arch in your lower back, but no farther. Extend your back so that your body forms a straight line. Do not arch excessively.SEE ALSO: 28 Days to Six-Pack Abs

2 of 7

romanian deadlift

Workout 2

Exercise 1: Barbell Rollout
Sets: 3
Reps: 12
Load lightweight plates on a barbell and set it on the floor. Hold the bar with both hands about shoulder-width apart and kneel on the floor so the bar is in front of your chest. Keeping your abs braced, roll forward as far as you can until you feel your lower back is about to start sagging. Flex your lats hard and drive back to the starting position.Exercise 2: Cable Wood Chop
Sets: 3
Reps: 12 on each side
Attach a rope handle to the low pulley of a cable station and back up far enough away from the machine so that there is tension on the cable. Stand with your feet shoulder-width apart and split your legs, so that one foot is a few feet in front of the other. Rotate your torso diagonally upward until you’re reaching overhead, in a chopping motion. Complete your reps and then repeat on the opposite side.Exercise 3: Dumbbell Romanian Deadlift
Sets: 3
Reps: 20
Load lightweight plates on a barbell and set it on the floor. Hold the bar with both hands about shoulder-width apart and kneel on the floor so the bar is in front of your chest. Keeping your abs braced, roll forward as far as you can until you feel your lower back is about to start sagging. Flex your lats hard and drive back to the starting position.SEE ALSO: The Deadlift: Step-by-Step for Optimal Results

3 of 7

Medicine ball russian twist

Workout 3

Exercise 1: Plank Mountain Climber
Sets: 3
Reps: 20 on each side
Get into pushup position and lower your elbows to the floor so your forearms are flat. Draw one knee up to your elbow, and then drive it back quickly, pulling the other knee up to the opposite elbow.Exercise 2: Cable Wood Chop
Sets: 3
Reps: 12 on each side
Attach a rope handle to the low pulley of a cable station and back up far enough away from the machine so that there is tension on the cable. Stand with your feet shoulder-width apart and split your legs, so that one foot is a few feet in front of the other. Rotate your torso diagonally upward until you’re reaching overhead, in a chopping motion. Complete your reps and then repeat on the opposite side.Exercise 3: Dumbbell Russian Twist
Sets: 3
Reps: 20 on each side
Grab a medicine ball, dumbbell, or weight plate and sit on the floor with your feet raised slightly above the floor. Hold the weight straight out in front of you and keep your back straight (your torso should be about 45 degrees from the floor). Explosively twist your torso as far as you can to the right, and then the left.SEE ALSO: Plank Progression for Muscle Growth

4 of 7

15-Minute Workout: Burn It Up with the 3-Headed Monster

Workout 4

Exercise 1: Renegade Row
Sets: 3
Reps: 12 on each side
Hold a dumbbell (or kettlebell) in each hand and get into pushup position. Shift your weight to your left side while staying rigid. Row the right-hand dumbbell to your side, but keep your torso parallel to the ground. Lower the dumbbell back to the floor, shift to the right, and row with your left arm.Exercise 2: Decline Situp
Sets: 3
Reps: 12
Set an adjustable bench to a decline and lie back on it, securing your legs in the braces. Squeeze your abs and raise your torso off the bench until you’re sitting upright.SEE ALSO: 6 Tips for a Ripped Six-Pack

5 of 7

bicycle crunch

Workout 5

Exercise 1: Bicycle Crunch
Sets: 3
Reps: 20Exercise 2: Hanging Leg Lift
Sets: 3
Reps: 15Exercise 3: Back Extension
Sets: 3
Reps: 15SEE ALSO: 6 Moves for 6 Pack Abs

6 of 7

5 Moves for a Concrete Core

Workout 6

Exercise 1: Barbell Rollout
Sets: 3
Reps: 15Exercise 2: Cable Wood Chop
Sets: 3
Reps: 15Exercise 3: DB Romanian Deadlift
Sets: 3
Reps: 25SEE ALSO: Full Body Kettlebell Workout

7 of 7

19

Workout 7

Exercise 1: Plank Mountain Climber
Sets: 3
Reps: 25Exercise 2: Russian Twist
Sets: 3
Reps: 25Exercise 3: Back Extension
Sets: 3
Reps: 15SEE ALSO: Gain 10 lbs. of Muscle in 4 Weeks

Back to intro

Workout 1

Exercise 1: Bicycle Crunch
Sets: 3
Reps: 12 on each side
Lie on your back, extending one leg, while bringing the opposite knee toward your chest. With your hands behind your head, touch your opposite elbow to the close knee. Twist your body and touch the other elbow to your other knee.

Exercise 2: Hanging Leg Raise
Sets: 3
Reps: 12 each side
Grab onto a pullup bar and hang with your back straight. Then, raise your legs up as high as you can, rounding your lower back. If that’s too hard, raise them only to waist level.

Exercise 3: Back Extension
Sets: 3
Reps: 12
Hold a weight against your chest and lock your legs into a back-extension apparatus. Allow your torso to bend forward until you begin to lose the arch in your lower back, but no farther. Extend your back so that your body forms a straight line. Do not arch excessively.

SEE ALSO: 28 Days to Six-Pack Abs

Workout 2

Exercise 1: Barbell Rollout
Sets: 3
Reps: 12
Load lightweight plates on a barbell and set it on the floor. Hold the bar with both hands about shoulder-width apart and kneel on the floor so the bar is in front of your chest. Keeping your abs braced, roll forward as far as you can until you feel your lower back is about to start sagging. Flex your lats hard and drive back to the starting position.

Exercise 2: Cable Wood Chop
Sets: 3
Reps: 12 on each side
Attach a rope handle to the low pulley of a cable station and back up far enough away from the machine so that there is tension on the cable. Stand with your feet shoulder-width apart and split your legs, so that one foot is a few feet in front of the other. Rotate your torso diagonally upward until you’re reaching overhead, in a chopping motion. Complete your reps and then repeat on the opposite side.

Exercise 3: Dumbbell Romanian Deadlift
Sets: 3
Reps: 20
Load lightweight plates on a barbell and set it on the floor. Hold the bar with both hands about shoulder-width apart and kneel on the floor so the bar is in front of your chest. Keeping your abs braced, roll forward as far as you can until you feel your lower back is about to start sagging. Flex your lats hard and drive back to the starting position.

SEE ALSO: The Deadlift: Step-by-Step for Optimal Results

Workout 3

Exercise 1: Plank Mountain Climber
Sets: 3
Reps: 20 on each side
Get into pushup position and lower your elbows to the floor so your forearms are flat. Draw one knee up to your elbow, and then drive it back quickly, pulling the other knee up to the opposite elbow.

Exercise 2: Cable Wood Chop
Sets: 3
Reps: 12 on each side
Attach a rope handle to the low pulley of a cable station and back up far enough away from the machine so that there is tension on the cable. Stand with your feet shoulder-width apart and split your legs, so that one foot is a few feet in front of the other. Rotate your torso diagonally upward until you’re reaching overhead, in a chopping motion. Complete your reps and then repeat on the opposite side.

Exercise 3: Dumbbell Russian Twist
Sets: 3
Reps: 20 on each side
Grab a medicine ball, dumbbell, or weight plate and sit on the floor with your feet raised slightly above the floor. Hold the weight straight out in front of you and keep your back straight (your torso should be about 45 degrees from the floor). Explosively twist your torso as far as you can to the right, and then the left.

SEE ALSO: Plank Progression for Muscle Growth

Workout 4

Exercise 1: Renegade Row
Sets: 3
Reps: 12 on each side
Hold a dumbbell (or kettlebell) in each hand and get into pushup position. Shift your weight to your left side while staying rigid. Row the right-hand dumbbell to your side, but keep your torso parallel to the ground. Lower the dumbbell back to the floor, shift to the right, and row with your left arm.

Exercise 2: Decline Situp
Sets: 3
Reps: 12
Set an adjustable bench to a decline and lie back on it, securing your legs in the braces. Squeeze your abs and raise your torso off the bench until you’re sitting upright.

SEE ALSO: 6 Tips for a Ripped Six-Pack

Workout 5

Exercise 1: Bicycle Crunch
Sets: 3
Reps: 20

Exercise 2: Hanging Leg Lift
Sets: 3
Reps: 15

Exercise 3: Back Extension
Sets: 3
Reps: 15

SEE ALSO: 6 Moves for 6 Pack Abs

Workout 6

Exercise 1: Barbell Rollout
Sets: 3
Reps: 15

Exercise 2: Cable Wood Chop
Sets: 3
Reps: 15

Exercise 3: DB Romanian Deadlift
Sets: 3
Reps: 25

SEE ALSO: Full Body Kettlebell Workout

Workout 7

Exercise 1: Plank Mountain Climber
Sets: 3
Reps: 25

Exercise 2: Russian Twist
Sets: 3
Reps: 25

Exercise 3: Back Extension
Sets: 3
Reps: 15

SEE ALSO: Gain 10 lbs. of Muscle in 4 Weeks

Topics:
  • Abs
  • Build Muscle
  • Fat Loss
Author picture
Written by Men's Fitness Editors
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