This has got to be the same person who asked who invented toes, and again it was god. He invented manythings, ears eyes noses, fingers, arms, legs etc.
there were invented 300 years ago
300 years ago they were made
To protect your knees and elbows against both impact and abrasions if you should take a fall.
your elbow
No, the wrist is distal to the elbow and the elbow is proximal to the wrist.
how to calculate the elbow radius or elbow length
Tuke is the word for elbow.
No, elbow 135 degree and elbow 45 degree are different from each other.
No. Proximal means closer to the body. Example: The elbow is distal to the chest. The elbow is proximal to the hand. The hand is distal to the chest and the elbow.
No its not, the technical term is elbow bursitis and its a painful condition caused by constant pressure on the elbow, think a housewife leaning on her elbow while cleaning, hence the name. Golfer's elbow is tennis elbow a tendonitis condition, completely different. Link below will help.
There is no such thing as an elbow bone, because the elbow is a joint. The forearm has the Ulna and the Radius bones, and there is no elbow bone.
A slang name for the skin on the elbow is "elbow grease."