I recently mounted my TV to the wall, but my HDMI cable was sticking out into the wall instead of going up toward the streaming box. It makes the HDMI cables easily damaged. 
Are there any recommended solutions to resolve this problem?
You can use an HDMI Extension Cable to solve your problem. Currently, there are many similar products on Amazon. When choosing, pay attention to your needs and select a product that meets your requirements. For example, consider the HDMI 2.0 or HDMI 2.1 interface, cable material, length, and connector material. You can choose a product that satisfies you.
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right angle HDMI adapter is a good solution for your problem
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