Why a thumb is not considered a finger?

Your thumb is different from your fingers. Your fingers have two joints and three bones called phalanges or phalanxes. A thumb only has one joint and two phalanges.

Do we have 4 fingers and a thumb?

One of the basic facts about our hands is that they each possess four fingers and a thumb: five digits in total.

Is a thumb a finger or a joint?

Thumb. The thumb digit has only two phalanges (bones) so it only has one joint. The thumb interphalangeal (IP) joint is similar to the distal interphalangeal (DIP) joint in the fingers. The IP joint in thumb is located at the tip of the finger just before the fingernail starts.

Is your pinky a finger?

The little finger, often called the pinky in American English and pinkie in Scottish English (from the Dutch word pink, meaning little finger), is the most ulnar and usually smallest finger of the human hand, opposite the thumb, next to the ring finger.

Is the pinky considered a finger?

The little finger, often called the pinky in American English and pinkie in Scottish English (from the Dutch word pink, meaning little finger), is the most ulnar and usually smallest finger of the human hand, opposite the thumb, next to the ring finger….

Do humans have 2 or 3 knuckles?

Finger Joints (Knuckles) Each finger contains 3 joints, more commonly known as knuckles. The thumb has two knuckle joints. The largest joint of each finger lies between the finger and the hand. This first joint at the base of the finger is called the metacarpophalangeal joint (MCP).

Do you have 10 or 20 toes in all?

So most humans have ten toes — but individual people could have as many as 20 (the all-time record for number of toes at birth, as far as anybody has documented) or as few as none. Assuming these children have two feet and five toes on each foot, then 8 children have: 5 toes plus 5 toes is ten toes per kid.