When you keep one foot planted and move the other foot.
no unless you are pivoting
Yes, in basketball, after pivoting, you can take a step in any direction as long as you do not lift your pivot foot off the ground.
Pivoting is moving the hips, shifting your weight, and turning WITHOUT lifting up your pivot foot.
pivoting
pivoting
If you mean OUTSIDE the basketball, then no. If you mean INSIDE the basketball, then yes.
Pivoting your foot after your swing.
Razor
National Basketball Association
I don't know what you mean but, yes a basketball is a sphere.
Basketball
basketball