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Send questions for Cecil Adams to: cecil straightdope. Your direct line to thousands of the smartest, hippest people on the planet, plus a few total dipsticks. I have searched high and low for the answer to this question, but I can't seem to find a factual answer anywhere. This has been happening for as long as I can remember. In fact, I didn't realize that nobody else I know experiences this until a couple of years ago.
Our hands connect us with the world. We work with our hands and communicate with our hands. The wear and tear from all that use can sometimes cause painful conditions, and women are particularly prone to develop two of these: de Quervain's pronounced deh-KWER-vins tenosynovitis and stenosing tenosynovitis or trigger finger. Both de Quervain's tenosynovitis and trigger finger involve the tendons of the hand. In the hand, tendons connect the muscles of the forearm and wrist to the bones of the fingers and thumb, allowing us to bend our wrists and hand joints and move our fingers and thumbs.
The hand possesses remarkable ability to grip and feel. We use our hands to explore our environment, to communicate, to write, use a keyboard, drive a car, to manipulate and use tools and numerous other activities. The forearm is connected to the hand by the wrist. The bones in the forearm are known as the radius and ulna , the ends of which flare out to form the radial styloid and the ulnar styloid. The bones of the wrist are known as the carpal bones and they are arranged in two rows of four bones.