Abdominals - Abdominal Crunches
Overview
To work you upper abdominal muscles. The muscles designed to be used are Rectus Abdominis. Other muscles used are the Sternamastoid, Erector Spinae and Splenius.
Training Steps
- Lying on your back, lift your thighs up so that you form a right angle with your torso with your knees bent. You can rest your feet on something, like a chair or wall.
- Put your hands either behind your head or gently crossed across your chest.
- Slowly raise your shoulders off the ground and aim to touch your chest to your pelvis crunching your abs.
- Make sure you breath out as you crunch.
- The actual movement should be quite small, most likely no more then 30 degrees from the ground.
Training Tips
- Do these fairly slowly to avoid using momentum to help.
- Keep you head generally facing up and avoid rolling your neck.
- You can increase the difficulty by placing weight on your chest or holding your arms out and above your head.
- Do not throw yourself up to aid the crunch as this will eliminate any work done by the abs.
- Don't anchor your feet as you will take all the emphasis of the abs.