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- Frontalis
- Origin: Epicranial aponeurosis
- Insertion: skin of eyebrows
- Action: elevates eyebrows
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- Occipitalis
- Origin: superior nuchal line of occipital bone
- Insertion: epicranial aponeurosis
- Action: pulls scalp posteriorly
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- Orbicularis Oculi
- Origin: mesial aspect of bony orbit
- Insertion: skin around eyelids
- Action: closes eyelid
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- Temporalis
- Origin: temporal bone
- Insertion: coronoid process of mandible
- Action: elevates mandible
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- Masseter
- Origin: zygomatic arch
- Insertion: angle and ramus of the mandible
- Action: elevates the mandible
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- Orbicularis Oris
- Origin: corners of mouth
- Insertion: submucosa and dermis of the lips
- Action: closes and purses lips
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- Zygomaticus Major
- Origin: zygomatic bone
- Insertion: angle of mouth
- Action: elevates corners of mouth
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- Risorius
- Origin: fascial of masseter
- Insertion: corner of mouth
- Action: draw corners of mouth laterally
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- Omohyoid
- Superior Belly:
- Origin: clavicle
- Insertion: hyoid bone
- Inferior Belly:
- Origin: superior scapula
- Insertion: clavicle
- Action: depresses hyoid bone
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- Sternohyoid
- Origin: manubrium
- Insertion: hypoid bone
- Action: depresses hyoid bone during swallowing
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- Mylohyoid
- Origin: mylohyoid line
- Insertion: hyoid bone
- Action: elevates hyoid bone
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- Digastric Anterior Belly
- Origin: inferior margin of mandible
- Insertion: hyoid bone
- Action: depresses mandible
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- Digastric Posterior Belly
- Origin: mastoid process
- Insertion: hyoid bone
- Action: retracts hyoid bone
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- Sternocleidomastiod
- Origin: manubrium and clavicle
- Insertion: mastoid process
- Action: flexion of the neck
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- Trapezius
- Origin: superior nuchal line and spinous processes of vertebrae
- Insertion: acromion and spine of scapula
- Action: extend neck; retracts scapula
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- Latissimus Dorsi
- Origin: spinous processes of vertebrae T6-T12
- Insertion: intertubercular groove of humerus
- Action: Adduction of the arm
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- Levator Scapula
- Origin: transverse processes of cervical vertebrae
- Insertion: medial border of scapula
- Action: elevates scapula
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- Rhomboid Major
- Origin: spinous processes of T1-T5
- Insertion: Medial border of scapula
- Action: adducts scapula
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- Rhomboid Minor
- Origin: spinous processes of C7-T1
- Insertion: medial border of scapula
- Action: adducts and fixes the scapula
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- Serratus Anterior
- Origin: ribs 1-8
- Insertion: medial border of scapula
- Action: rotates scapula
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- Erector Spinae
- Origin: spinous processes of lumbar vertebrae
- Insertion: angles of ribs
- Action: extends vertebral column
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