Zygomaticus
The Zygomaticus is the primary muscle used in smiling.
The Zygomaticus (Zygomatic Bone) Is incontrol of you cheekbones. Which articulates with the Frontal, Maxilla, Sphenoid, and Temporal Bones.
It is primarily the zygomaticus major and risorius muscles that are responsible for a smile, aided in part by the action of the buccinator :)
Zygomaticus is your smiling muscle
Zygomaticus
Zygomaticus major and zygomaticus minor are facial muscles of the human body. Yellow marrow is found in long bones of the human body.
Smiling is a facial expression, so the skeletal muscles of the face would be used. In particular the zygomaticus. or the ****** it makes me smile
zygomaticus
There are a couple insertion points of the zygomatic bone. It's insertion points are on the orbicularis oris. This is very close in proximity to the zygomaticus major, as well as just above it.
A zygoma is the anatomical name for the cheekbone.
zygomaticus major muscle (a facial muscle)