Is it supposed to hurt when when you do the scissors ab workout?

It should only hurt in your abs. try this:

Lie face up with your knees and hips at 90-degrees

Straighten one leg and lower this foot towards the floor keeping your stomach tight and your back flat to the floor

Just before this foot hits the floor, bring it back to the starting position

Repeat on the other side

Repeat x 15 each leg

Be extra vigilant about your back staying on the floor

it shouldn't hurt your back if you follow these instructions. Good luck

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Answer:
if its hurting your back its not working your abs slow the movements down and concentrate on the using the abs see if it makes a difference

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Answer:
Yes. To reduce the pain, you need to begin with pretty good warm up and stretching.