Maximus Gage
The forehead is a complex area of the face where muscles that lift and muscles that pull down the eyebrows are constantly at odds. The muscles in the forehead are responsible for creating facial expressions and controlling the movement of the brows. There are four basic motions, which can occur individually or in combination to form different expressions. The occipitofrontalis muscles can raise the eyebrows, either together or individually, forming expressions of surprise and quizzicality. The corrugator supercilii muscles can pull the eyebrows inwards and down, forming a frown. The procerus muscles can pull down the centre portions of the eyebrows. The movements of the muscles in the forehead produce characteristic wrinkles in the skin.
| Characteristics | Values |
|---|---|
| Number of muscles | 4 |
| Muscle names | Occipitofrontalis, procerus, corrugator supercilii, orbicularis oculi |
| Muscle function | Raising and lowering eyebrows, forming facial expressions |
| Blood supply | Left and right superorbital, supertrochealar, and anterior branches of the superficial temporal artery |
| Nerve supply | Temporal branch of the facial nerve |
| Sensory nerve connections | Ophthalmic branch of the trigeminal nerve, cervical plexus |
| Motor nerve connections | Facial nerve |
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What You'll Learn
- The occipitofrontalis muscles can raise the eyebrows
- The corrugator supercilii muscles can pull the eyebrows inwards and down
- The procerus muscles can pull down the centre of the eyebrows
- The muscles in the forehead produce characteristic wrinkles in the skin
- The forehead is a complex area where muscles that lift and muscles that pull down the eyebrows are constantly at odds
The occipitofrontalis muscles can raise the eyebrows
The occipitofrontalis muscles are located in the forehead and are responsible for raising the eyebrows. They are controlled by the temporal branch of the facial nerve. These muscles can raise the eyebrows together or individually, forming expressions of surprise and quizzicality.
The occipitofrontalis muscles are not the only muscles in the forehead that are responsible for creating facial expressions and controlling the movement of the brows. The corrugator supercilii muscles can pull the eyebrows inwards and down, forming a frown. The procerus muscles can pull down the centre portions of the eyebrows.
The movements of the muscles in the forehead produce characteristic wrinkles in the skin. The forehead is a complex area where muscles that lift and muscles that pull down the eyebrows are constantly at odds. This constant tug-of-war must be considered when injecting neuromodulators like Botox, Jeuveau, and Dysport into the forehead to avoid undesired effects like brow droop, an unnatural appearance, or even a frozen forehead.
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The corrugator supercilii muscles can pull the eyebrows inwards and down
The forehead is a complex area where muscles that lift and muscles that pull down the eyebrows are constantly at odds. The corrugator supercilii muscles are one of the muscles in the forehead that can pull the eyebrows inwards and down, forming a frown. The occipitofrontalis muscles can raise the eyebrows, either together or individually, forming expressions of surprise and quizzicality. The procerus muscles can pull down the centre portions of the eyebrows. The movements of the muscles in the forehead produce characteristic wrinkles in the skin.
The corrugator supercilii muscles are controlled by the temporal branch of the facial nerve. They are vertically oriented muscle fibres that offer no true bony insertion but blend with the brow depressor muscles, which do have bony insertions. The corrugator supercilii muscles are one of the muscles that can pull down the eyebrows, along with the orbicularis oculi and the procerus muscles.
The muscles in the forehead are responsible for creating facial expressions and controlling the movement of the brows. The corrugator supercilii muscles are one of the muscles that can pull the eyebrows inwards and down, which can form a frown. This is one of four basic motions that can occur individually or in combination to form different expressions.
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The procerus muscles can pull down the centre of the eyebrows
The forehead is a complex area of the face where muscles that lift and muscles that pull down the eyebrows are constantly at odds. The procerus muscles are one of the three sets of muscles in the forehead, along with the occipitofrontalis and corrugator supercilii muscles. The procerus muscles can pull down the centre portions of the eyebrows. This movement can form a frown and is one of four basic motions that can occur individually or in combination to form different expressions. The other three motions are raising the eyebrows, either together or individually, and pulling the eyebrows inwards and down. The movements of the muscles in the forehead produce characteristic wrinkles in the skin.
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The muscles in the forehead produce characteristic wrinkles in the skin
The forehead is a complex area where muscles that lift and muscles that pull down the eyebrows are constantly at odds. The muscles in the forehead are responsible for creating facial expressions and controlling the movement of the brows. There are four basic motions, which can occur individually or in combination to form different expressions. The occipitofrontalis muscles can raise the eyebrows, either together or individually, forming expressions of surprise and quizzicality. The corrugator supercilii muscles can pull the eyebrows inwards and down, forming a frown. The procerus muscles can pull down the centre portions of the eyebrows. The movements of the muscles in the forehead produce characteristic wrinkles in the skin. The paired frontalis muscles are the primary elevators of the brow. The vertically orientated muscle fibres offer no true bony insertion but blend with the brow depressor muscles, which do have bony insertions (the procerus medially, the corrugator and orbicularis oculi centrally, the orbicularis oculi laterally).
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The forehead is a complex area where muscles that lift and muscles that pull down the eyebrows are constantly at odds
The forehead is made up of the squamous part of the frontal bone, with the occipitofrontalis, procerus, and corrugator supercilii muscles overlying it. These muscles are all controlled by the temporal branch of the facial nerve. The sensory nerves of the forehead connect to the ophthalmic branch of the trigeminal nerve and to the cervical plexus, and lie within the subcutaneous fat. The motor nerves of the forehead connect to the facial nerve. The ophthalmic branch of the trigeminal nerve, the supraorbital nerve, divides at the orbital rim into two parts in the forehead. One part, the superficial division, runs over the surface of the occipitofrontalis muscle.
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Frequently asked questions
Yes, the muscles of the forehead help to form facial expressions.
The muscles in the forehead include the occipitofrontalis, procerus, and corrugator supercilii muscles.
The muscles in the forehead can raise the eyebrows, either together or individually, forming expressions of surprise and quizzicality. They can also pull the eyebrows inwards and down, forming a frown.
