What muscles do Weighted Crunches (Behind Head) work?

Weighted Crunches primarily target the upper and lower abdominal muscles, with secondary engagement of the obliques. The added weight increases resistance, helping to build strength and definition in the core area.

What equipment do I need for Weighted Crunches (Behind Head), and are there alternatives?

You’ll need a bench to lie on and a weight plate to hold behind your head. If you don’t have a weight plate, you can use a dumbbell, medicine ball, or even a heavy book as a substitute.

Are Weighted Crunches suitable for beginners?

Beginners can perform this exercise with little or no added weight to learn proper form first. Once core strength improves, gradually increase resistance to avoid strain or injury.

What are common mistakes to avoid when performing Weighted Crunches?

Avoid pulling your head forward or straining your neck, as this shifts focus away from your abs and can cause injury. Maintain controlled movements and ensure the weight stays stable throughout each rep.

How many sets and reps should I do for Weighted Crunches?

For general core training, aim for 3 sets of 10–15 reps with a weight that challenges your abs without compromising form. Adjust repetitions based on your fitness level and goals.

What safety tips should I follow when doing Weighted Crunches (Behind Head)?

Keep your lower back pressed into the bench and avoid jerking motions to protect your spine. Start with lighter weights until you are confident with your stability and technique.

Are there variations of the Weighted Crunch to make it easier or harder?

To make it easier, perform the crunch without weight or hold the plate across your chest. For more challenge, slow down the movement, increase weight, or incorporate a twist to target your obliques more intensely.

Weighted Crunch (Behind Head)

Target Muscles

Primary:

Upper Abs

Lower Abs

Secondary:

Obliques

Equipment Required

Bench

Weight Plate

Exercise Type

Weight & Reps

How To Do

Lie flat on a bench with your knees bent, feet secured, and hold a weight plate behind your head with elbows out. Engage your core and lift your upper body until your shoulder blades leave the bench, then lower back down with control. Avoid pulling on your neck and focus on using your abs throughout the movement.

Step-by-Step Instructions

Lie flat on a bench with your knees bent and feet secured under the bench or a stable surface for support.
Hold a weight plate or similar object behind your head with both hands, keeping your elbows flared out to the sides.
Engage your core and lift your upper body off the bench by contracting your abdominal muscles. Avoid pulling on your neck with your hands.
Raise your torso until your shoulder blades are off the bench, keeping your lower back in contact with the bench.
Pause briefly at the top of the movement, squeezing your abs tightly.
Slowly lower your upper body back down to the starting position, maintaining control throughout the descent.
Repeat for the desired number of repetitions.

Explore more upper abs exercises or bench exercises in our exercise library.

Alternative Exercises

Weighted Crunch

Upper Abs

Lower Abs

Weight Plate

Lever Lying Crunch (Version 2)

Upper Abs

Lower Abs

Bench

Otis Up

Abs

Upper Abs

Weight Plate • Bodyweight

Kettlebell Sit-up

Abs

Upper Abs

Kettlebell

Frequently Asked Questions

What muscles do Weighted Crunches (Behind Head) work?: Weighted Crunches primarily target the upper and lower abdominal muscles, with secondary engagement of the obliques. The added weight increases resistance, helping to build strength and definition in the core area.
What equipment do I need for Weighted Crunches (Behind Head), and are there alternatives?: You’ll need a bench to lie on and a weight plate to hold behind your head. If you don’t have a weight plate, you can use a dumbbell, medicine ball, or even a heavy book as a substitute.
Are Weighted Crunches suitable for beginners?: Beginners can perform this exercise with little or no added weight to learn proper form first. Once core strength improves, gradually increase resistance to avoid strain or injury.
What are common mistakes to avoid when performing Weighted Crunches?: Avoid pulling your head forward or straining your neck, as this shifts focus away from your abs and can cause injury. Maintain controlled movements and ensure the weight stays stable throughout each rep.
How many sets and reps should I do for Weighted Crunches?: For general core training, aim for 3 sets of 10–15 reps with a weight that challenges your abs without compromising form. Adjust repetitions based on your fitness level and goals.
What safety tips should I follow when doing Weighted Crunches (Behind Head)?: Keep your lower back pressed into the bench and avoid jerking motions to protect your spine. Start with lighter weights until you are confident with your stability and technique.
Are there variations of the Weighted Crunch to make it easier or harder?: To make it easier, perform the crunch without weight or hold the plate across your chest. For more challenge, slow down the movement, increase weight, or incorporate a twist to target your obliques more intensely.