This article will discuss the anatomy of the trapezium bone ... The inferior surface touches the first metacarpal bone, also known as the thumb. The dorsal, or rear-facing, surface of the ...

The metacarpals are the five long hand bones between your wrist and fingers. They make up the palm of your hand and are visible through the skin on the back of your hand. Each metacarpal bone ...

This article discusses the function and anatomy of the thumb and common ... The thumb then connects to the hand bone, or thumb metacarpal. As a result of only having two phalanges, the thumb ...

Familiarity with the terms used to describe the anatomy of the hand is important ... the metacarpophalangeal joint between the metacarpal bone and the proximal phalanx, the proximal ...

Your hand and wrist anatomy includes many types of bones ... The top row consists of the distal carpals and connects to the metacarpal bones. These include the trapezium, trapezoid, capitate ...

While hand and wrist anatomy is complex ... that allow finger contractions are found between the individual metacarpal bones. Two such groups of muscles are dedicated to moving the thumb and ...

(a) Oblique radiograph of the left thumb demonstrating dorsal subluxation of the first metacarpal bone at the basal joint. (b) Restoration of alignment at the first carpometacarpal joint is seen ...

But, one piece was salvageable. In the operating room, “we found that the first metacarpal bone is viable, but there was no soft tissue supporting it, leaving the metacarpal bone exposed ...

In addition the first metacarpal bone moves ulnarward, swinging in that direction from a pivot at the carpometacarpal joint. In circumduction the thumb swings in a circle with the ...

[In Images: The Oddities of Human Anatomy] Until now ... The scientists discovered a third metacarpal bone in northern Kenya, west of Lake Turkana. The fossil was found near the sites where ...