Why is it so much easier to tap/drum your fingers on a table from your pinky to your index finger compared to index finger to pinky?

Question

Why is it so much easier to tap/drum your fingers on a table from your pinky to your index finger compared to index finger to pinky?

In: 2

Answer 1

I think its just muscle memory. So many things we close our fist around and simulate the same shape. Holding a pencil or holding a computer mouse. Pinky gets tucked in under the other fingers and the index finger is the open/pointed finger