Why running before jumping makes the jump go higher?
In: Biology
When you jump, you need to use your muscles to give your body speed upwards. If you already have some speed, it is easier to redirect that speed than it is to create speed from scratch.
So you’re taking your sideways speed and converting it to upwards speed.
Because you can use your leg to convert the horizontal to vertical motion. Look at pole vaulting which does the same thing with flexible poles. You can do the same with a stiff pole, you do not get as high.
You do something similar with your legs. Look at [https://www.youtube.com/watch?v=9kj7THx1K_U](https://www.youtube.com/watch?v=9kj7THx1K_U) and how there are put done on the last step to force your body to pivot around the floot and start to move up.
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