# Crunch

URL: https://heatsy.app/ex/crunch

Also known as: Floor Crunch, Abdominal Crunch, Crunches, Basic Crunch, Standard Crunch, Ab Crunch, Abs Crunch

Body region: Core

## Muscles

- Main: Rectus Abdominis, External Oblique, Internal Oblique
- Holds: Deltoid, Infraspinatus, Teres Minor, Pectoralis Major, Pectoralis Minor, Serratus Anterior, Trapezius, Latissimus Dorsi, Teres Major, Rhomboids, Transversus Abdominis, Iliopsoas, Sartorius, Tensor Fasciae Latae, Rectus Femoris

## Technique

1. Lie on your back with knees bent and feet flat, hands beside your head.
2. Brace the abs and tuck your ribs toward your hips.
3. Curl your shoulders off the floor.
4. Lower slowly without relaxing completely.

### Cues

- Think of shortening the distance between ribs and hips.
- Keep the lower back on the floor.

### Common mistakes

- Pulling on the neck.
- Sitting all the way up using the hip flexors.
- Moving too fast.