Ring finger

The ring finger is the digit between the middle finger and little finger. In many cultures, it is traditionally used to wear a wedding ring.

Finger: A finger is one of the jointed digits of a human hand. The ring finger is one of the hand’s five fingers.
Extensor digitorum muscle: The extensor digitorum is a forearm muscle that extends the fingers. Its tendons help straighten the ring finger, often in coordination with other digits.
Wedding ring: A wedding ring is a band worn to signify marriage. The ring finger is a customary place to wear it in many cultures.
Middle finger: The middle finger is the central digit of the hand, between the index and ring fingers. It lies directly beside the ring finger toward the thumb.
Phalanx: A phalanx is one of the bones forming a finger or toe. Three phalanges form the ring finger’s bony framework.
Lumbrical muscle: A lumbrical is a small hand muscle that helps flex the knuckle while extending finger joints. Lumbricals contribute to the ring finger’s coordinated, precise movements.
Ring size: Ring size is a measurement used to fit a ring to a finger. A ring worn here must accommodate the finger’s circumference and joint shape.
Little finger: The little finger is the smallest and outermost digit of the hand. It lies directly beside the ring finger on the hand’s outer edge.
Metacarpal bone: A metacarpal bone is one of five long bones in the palm. The fourth metacarpal connects the ring finger to the wrist.
Interosseous muscle: An interosseous muscle lies between the metacarpal bones and moves or stabilizes the fingers. These muscles help spread and bring together the ring finger.

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