Muscles

Hey, wanna make eye contact? These muscles around your eye help you bat your eyes; closes the eyelids and enables you to wink at the special person!

• Orbicularis Oris

• Orbicularis Oculi

• Corrugator

• Frontalis

Contraction of this muscle enables you to kiss! #smooches

• Orbicularis Oris

• Orbicularis Oculi

• Corrugator

• Occipitals

This muscle closes the mouth by raising your jawbone~ elevates the mandible (also used in chewing)

• Buccinator

• Zygomaticus Major

• Zygomaticus Minor

• Masseter

This large neck muscle helps rotate the head upward and side to side

• Masseter

• Buccinator

• Platysma

• Sternoclidomastoid

Muscle that elevates the eyebrows and wrinkles the forehead

• Frontalis

• Occipitals

• Corrugator

• Obicularis Oculi

This mouth muscle is one that is used for chewing~elevates the mandible; retracts the mandible (posterior fibers)* a powerful chewing muscle.

Clenching your teeth may lead to tension headaches.

• Temporalis

• Frontalis

• Occipitals

• Corrugator

Muscle that elevates and draws the corner of the mouth laterally

• Zygomaticus Major

• Nasalis

• Buccinator

• Orbicularis Oris

This muscle pulls the corner of mouth laterally; presses the cheek against the teeth.

• Masseter

• Buccinator

• Zygomaticus Major

• Zygomaticus Minor

• Masseter
• Buccinator
• Platysma
• Sternoclidomastoid

What is a crossbridge?

• Where myosin binds to actin

• Where the calcium crosses into the cytoplasm

• Where calcium binds with troponin

• Where titin and myosin are connected

Tags

CCSS.RI.1.3

CCSS.RI.2.3

CCSS.RI.2.5

CCSS.RI.3.3

CCSS.RI.3.5