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Side Crunch exercise demonstration - starting position (step 1 of 2)
Showing step 1 of 2
Step-by-step demonstration of the Side Crunch exercise showing proper form and technique

Side Crunch

Target Muscles

Primary:

Equipment Required

Exercise Type

Reps Only

How To Do

Lie on your side with knees bent and stacked, bottom arm extended for support, and top hand behind your head. Engage your core and lift your upper body sideways toward your hip, focusing on squeezing your obliques. Pause briefly at the top, then lower back down with control.

Step-by-Step Instructions

  1. Lie on your side on the floor or an exercise mat, with your legs bent at the knees and stacked on top of each other.
  2. Place your bottom arm extended on the floor for support, and position your top hand behind your head, keeping your elbow pointed outward.
  3. Engage your core muscles and lift your upper body off the floor, crunching sideways toward your hip. Focus on contracting your obliques during the movement.
  4. Hold the contraction for a moment at the top of the movement.
  5. Slowly lower your upper body back to the starting position.
  6. Repeat for the desired number of repetitions, then switch sides and repeat the exercise on the other side.

Explore more obliques exercises or bodyweight exercises in our exercise library.

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Frequently Asked Questions

What muscles do side crunches work?
Side crunches primarily target the obliques, which are responsible for side bending and rotation of the torso. They also engage the upper and lower abs as secondary muscles, helping to improve overall core strength and definition.
Do I need any equipment to perform side crunches?
Side crunches are a bodyweight exercise and require no equipment, making them ideal for home workouts. You may use a yoga mat for comfort or add a small dumbbell for increased resistance if desired.
Are side crunches suitable for beginners?
Yes, side crunches are beginner-friendly as they use only your bodyweight and have a simple movement pattern. Beginners should focus on slow, controlled repetitions to build muscle awareness and avoid straining the neck or lower back.
What are common mistakes to avoid when doing side crunches?
A common mistake is pulling on the neck instead of engaging the obliques, which can lead to discomfort. Avoid using momentum to lift your torso, and instead focus on controlled contractions and proper breathing throughout the movement.
How many sets and reps of side crunches should I do?
For general core conditioning, aim for 2–3 sets of 12–15 reps on each side. If your goal is muscle endurance, you can increase the reps, but always prioritize form over quantity to prevent injury.
Are side crunches safe for people with back issues?
Side crunches can be safe if performed with proper technique and without excessive twisting, but those with back or spinal concerns should consult a healthcare professional first. Engaging the core and keeping movements controlled will help minimize stress on the lower back.
What variations of side crunches can make them more challenging?
You can make side crunches more challenging by performing them on a stability ball for added balance work, or by holding a small weight against your head or chest. Another variation involves extending the top leg while crunching to increase core engagement and range of motion.