How to Do a Back Handspring. The back handspring is a basic building block for many gymnastics or cheerleading routines. To do a back handspring, you have to fall backwards, land upside-down on your hands, and push upwards to land back on your feet.
BRAIN TEASERS. Riddles brain teasers exercise your brain! Check out our insane collection of brain teasers for kids and all ages. Increase your mental strength today by digging through our brain teaser riddles and games. Think laterally.
Brain waves are divided into five different groups: 1  Delta Waves (0.5 â 3 Hz) Ã  these are the slowest types of brain waves and are associated with deep, dreamless sleep. 2  Theta Waves (3 â 8 Hz) Ã  these brain waves are also associated with sleep but have been found in Zen meditators during meditation practice.