Bones of the forearm - Radius and ulna (preview) - Human Anatomy | Kenhub

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The radius and ulna are the two bones of the forearm, located between the humerus of the arm, and carpal bones of the wrist joint. The radius is the lateral of the two bones, which makes the ulna the medial bone of the forearm. (Remember in the anatomical position, the forearm sits with the palm of the hand facing forwards, or anteriorly.

These bones are specially designed in order to enable the movements that are unique for the upper limb, such are supination and pronation. With all of the 20 muscles of the forearm they support, these bones are essential for the functioning of the upper extremity.

Want to test your knowledge on radius and ulna? Take this quiz:

Read more on these bones of the forearm, including information on commons fractures sustained by the radius and ulna:

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helllo plz telll which bone is shorter or which is greater?

marianoor
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which bone is towards thumb and which is towards hand?

marianoor
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Whist keeping my elbow and shoulder completely in place, I can confirm that this is bollocks, you get around 60% of the way round.

chayeso
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By any chance would anybody happen to know the approximate minumal thickness of the ulna and radius of the average adult male? And if a person were to compare the strength of these bones to a type of wood with comparable strength, what type of wood might be most comparable? I know its a strange pair of questions, I would like to preform a safety experiment.

craigtate
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I enjoy watching man voice videos 🙁 she speaks too fast plus no fast learning like i did during humerus and scapula videos.

marytremendous