Muscles: Anatomy
The frontalis muscle is located on the forehead and is part of the occipitofrontalis muscle. It is responsible for raising the eyebrows and wrinkling the forehead, aiding in facial expressions such as surprise.
frontalis

Key Terms
frontalis
sternocleidomastoid: rotates head side to side
temporalis: closes mouth
orbicularis oculi: closes eyelid
orbicularis oris: kissing muscle
zygomaticus: smiling muscle
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| Term | Definition |
|---|---|
frontalis | |
sternocleidomastoid: rotates head side to side | |
temporalis: closes mouth | |
orbicularis oculi: closes eyelid | |
orbicularis oris: kissing muscle | |
zygomaticus: smiling muscle | |
pronator teres | |
brachioradialis | |
flexor carpiradialis | |
masseter: closes mouth | |
serratus anterior | |
external oblique | |
biceps brachii | |
triceps brachii | |
rectus abdominus | |
deltoid | |
pectoralis major | |
trapezius: extends head | |
latissimus dorsi | |
extensor carpi ulnaris | |
teres major | |
gluteus medius | |
gluteus maximus | |
adductor muscle | |
tensor fascia latae | |
sartorius | |
gracilus | |
semitendinosus | |
rectus femoris | |
vastus medialis | |
vastus lateralis | |
semimembranosus | |
soleus | |
tendon calcaneous | |
tibialis anterior | |
gastrocnemius | |
biceps femoris | |
transverse abdominus |