there are many interesting anatomic variants one interesting thing is the muscles that move our "grasp" - to cause our fingers to close or open. One muscle, wi

there are many interesting anatomic variants one interesting thing is the muscles that move our "grasp" - to cause our fingers to close or open. One muscle, with a "lead" per each finger. anatomic variant is sometimes these include the pinky, sometimes they dont. The pinky has its own set of muscles in either case. If you try moving your fingers you can see there's a bit more traction with the pinky isolation versus other fingers and thats why