Multi-choice problem: Continue writing the next sentence in this paragraph:

How to do a frontflip (beginners ) 
Stretch first. 
No matter what gymnastics move you're doing, you need to stretch first. You should at least stretch your ankles, hamstrings, neck, and wrists.

Pick your answer from: [i] To stretch your ankles, sit down on the floor. Prop one ankle up on the other knee, and rotate it in a circle a few times.; [ii] Grab a padded towel or a yoga mat and rub the muscles of your legs and feet with it. Then squeeze the towel against your body and try to reposition your feet.; [iii] As you focus on landing, stretch deeply without being too forceful. Give your body enough time to rest, and then move on to your next move.; [iv] If you've never done a frontflip, then it is important to stretch the top of your head first. This will give you some cushioning and increase the amount of shock your body will receive.;
[i]