How to tell the Anterior from the Posterior of the Humerus?

How can you tell the anterior (front) and posterior (back) of the humerus? It is not as hard as I once thought.

I just look for my defining characteristics that I can associate with the anterior (front) or posterior (back) of the humerus. I go for characteristics that are so obvious that even if I am in the dark, I could still tell you the anterior from the posterior. Below are my suggestions, but feel free to send me your own.

For the Anterior of the Humerus, you have two indentions:  the Coronoid fossa and the Radial fossa. You also have one giant bump located in the middle at the top of the humerus:  the Lesser tubercle.

For the Posterior of the Humerus, you have only on indention:  the Olecranon fossa and no large bump in the middle at the top of the humerus.


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