A “good” sexual position is one that will let you do what you want to do with your partner (or by yourself) with comfortable, that allows for a range of motion. [Full article]

Basic Kneeling Ball Sex Position:
In this the partner being penetrated is lying on their side, and curled up cozy like (sort of like you’re curled up into a ball, but not necessarily so tightly). The partner doing the penetrating is on their knees facing the back of the person on their side curled up. Penetration is essentially from behind, only the two people are sort of perpendicular to each other.