Full-motion wall mounts are usually more complicated to install. Because the mounting bracket has moving pieces — an arm — you’ll need a professional to hang the TV on the wall mount bracket.
As far as motion goes, the key difference between full-motion and tilting wall mounts is that full-motion wall mounts brackets allow you to adjust the horizontal viewing angle by physically moving the flat panel away from the wall.
That is possible because full-motion wall mounts have a moveable arm that connects the flat panel to the wall. This arm makes it possible to extend the TV away from the wall so you can swivel it on its horizontal axis.
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