What is Crunch
- Hands Overhead? The crunch with hands overhead is a core strengthening exercise that primarily targets the rectus abdominis (six-pack muscles). This variation adds an extra challenge by extending the arms overhead, increasing the range of motion and engaging the core muscles more effectively.
Tutorial
- Lie flat on your back with your knees bent and feet flat on the floor.
- Extend your arms straight above your head, with your biceps next to your ears and palms facing up.
- Engage your core muscles and lift your shoulder blades off the floor, exhaling as you crunch towards the ceiling.
- Hold the contraction for a moment, then slowly lower back down to the starting position while inhaling.
- Repeat for the desired number of repetitions.
Common Mistakes
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Jerking the neck: Avoid pulling on your neck with your hands. Keep your neck relaxed and focus on using your core muscles to lift your upper body.
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Using momentum: Ensure that you are using controlled movements throughout the exercise. Avoid swinging your arms or using momentum to lift yourself up. - Arching the back: Maintain a neutral spine by pressing your lower back into the floor. Avoid overarching or rounding your back during the movement.
Tips for Better Results
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Focus on quality over quantity: Perform the exercise slowly and with proper form to maximize the engagement of your core muscles.
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Breathe properly: Exhale as you crunch up and inhale as you lower back down. This helps engage your core and stabilize your spine. - Visualize the movement: Imagine your ribcage moving towards your pelvis as you crunch up, rather than just lifting your shoulders off the floor.
Muscles Worked
- Primary Muscles: Rectus Abdominis - Secondary Muscles: Obliques, Transverse Abdominis