1. Just move the center of gravity
"Sport"
It just move the center of gravity.
Therefore, the form you can move the center of gravity with the most efficiently, it's the best form.
People think that sport is the complex movement.
It's a mistake.
Sport is simple like our life.
Life, it's a set of many simple occurrences.
"Simple" but sometimes get tangled like a thread,
therefore looks like complex.
Similarly, Sport looks like complex due to movements of joint.
OK OK, I know.
I'm a bit argumentative person.
OK, you can see the kickoff below.
He is Asafa Powell who hold 100 meters world record with 9.74 (2005 - 2008) and then the explosive start.
Asafa Powell
Did you see ? Did you see ?
Ohooooooo soooooo amazing !!!
Did you see a red line I drew ?
Did you see his hip ?
His hip is on a red line completely.
Look ! 1st.
His hip that is ready for the off.
Look !!!!! 2nd.
His hip He is in the air.
Do you understand ? He is in the AIR !!!
Look !! 3rd.
His hip He is the first step.
His hip is kept the same position.
He never move his hip up and down to run.