Biology, asked by aanchit8948, 1 year ago

why we Cannot bend our arm if a light wooden plank is tired to it

Answers

Answered by luvonthebrain4

The elbow joint consist of humerus, radios and ulna bones. The two main actions at the elbow are flexion and extinction. So if something is tied to your arm you wouldn't be able to bend it back, and if you tried to hard enough it would probably break your arm.

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