how when you stand on one leg, the higher you lift your other leg above the ground, the more unbalanced you feel.
In: 4
You need your other leg to balance.
This is especially noticeable when you are slacklining or standing with one leg on an unstable surface. Your other leg will move intuitively to correct your center of gravity to keep you upright.
You can see it here in this video:
When you bring the knee of your other leg to your chest you make it impossible to do these kinds of correction movements. I think it also makes it harder for your hips and upper body to move.
Latest Answers