The name scaphoid stands for both a bone in the hand and a bone in the foot. In order to keep confusion as low as possible, in medicine the Os scaphoideum and from Os Naviculare spoken, the Scaphoid the bone in the hand and that Os Naviculare the bone is in the foot.
The scaphoid is one of the eight bones that make up the Carpal form. It is between thumb and spoke and is the largest of the carpal bones. The adjacent bones of the navicular bone are:
The scaphoid can through the skin the inner surface because it has a small appendage.
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The most common carpal fractures involve the navicular bone. Most often this happens when you fall where you support yourself with your hand. Often such a break is not noticed at first, which later becomes painful arthrosis can lead.
Even with proper treatment, it sometimes grows badly together. This is due to the fact that in the event of a break the blood vessel supplying the bone tears off and can no longer supply the bone.
Outline of the hand
(Joint lines green)
I - Upper (proximal) wrist
II - Lower (distal) wrist
III - carpal metacarpal
Joints
IV - metacarpophalangeal joint
V - middle finger joint
(missing on thumb)
VI - interphalangeal joint
VII - thumb joint
You can find an overview of all Dr-Gumpert images at: medical illustrations
The scaphoid im foot is in the medicine also as Navicular bone designated. This can sometimes lead to confusion because the scaphoid bone in the hand was used earlier than Os Naviculare designated. The scaphoid bone is a relatively short bone and is part of the Tarsusl. The adjacent bones are:
It lies on the side of the big toe under the Os cuneiform one.
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A Fracture of the scaphoid bone in the foot is significantly rarer than one Fracture of the scaphoid bone in the hand.
