Examlex
When first establishing a behavior,positive reinforcement is most effective when it is administered intermittently.
Semispinalis Capitis
Semispinalis capitis is a muscle situated at the back of the neck, extending from the base of the spine to the skull, crucial for head movement and posture.
Zygomaticus Major
A facial muscle that draws the mouth upward and outward, majorly involved in smiling.
Depressor Anguli Oris
A facial muscle that is responsible for pulling the corners of the mouth downwards, contributing to a frown expression.
Orbicularis Oris
A circular muscle around the mouth that controls movements such as puckering and closing the lips.
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