A Contra Indicated Exercise For Anyone With A History Of Lower Back Injury!
If you have a weak lower back use the alternative exercise Crunch below!
For Sit-Up: Lie on your back and secure your feet so that they are
held firmly down. Place your arms behind your head with elbows out.
Put a slight bend in your knees. Now contract your stomach and hip
flexor muscles and pull yourself up until your head meets your knees.
Hold momentarily and slowly descend back down.
For Crunch: Lie on your back and elevate your legs into an L
position. Place your arms behind your head with the elbows out. Now
tuck your chin and contract your stomach muscles only. Your stomach
will compress and your shoulders will rise up. Hold the position
momentarily and descend back down slowly. Your lower back and
buttocks should remain flat on the floor at all times.