Which muscle am I
Actions
Origins
Insertions
Random Knowledge
100

What is Lateral Pterygoid?

100

Temporalis (2)

Elevates mandible

Retracts mandible

100

Zygomatic arch

What is the Masseter?

100

Splenius Capitis (2)

Mastoid process

Lateral superior nuchal line (laterally)

100

Nickname:

Winking (blinking) Muscle

What is Orbicularis Oculi?

200

What is Rectus Capitis Posterior Major?

200

Rectus Capitis Posterior Major (2)

Extends head

Rotates head

200

Splenius Capitis (2)

Nuchal ligament (level of C3)

Spinous processes C7-T4

200

Medial Inferior nuchal line

Rectus Capitis Posterior Minor?

200

Kissing Muscle

Orbicularis Oris

300

What is Splenius Cervicis?

300

Splenius Cervicis

unilateral contraction (2)

bilateral contraction (1)

unilateral contraction)

     Rotates head

     Laterally flexes neck

(bilateral contraction)

     Extends head

300

Scalenus Anterior (1)

C3-C6 transverse processes (anterior surface)

300

Coronoid process

Temporalis

300

Mirror image of sternocleidomastoid

Splenius Capitis

400

What is Serratus Posterior Inferior?

400

Sternocleidomastoid

Unilateral contraction (2)

Bilateral contraction (2)

(unilateral contraction)

     Laterally flexes neck

     Rotates head to opposite side

(bilateral contraction)

     Flexes neck

     Elevates sternum to assist in forced inhalation

400

Lateral Pterygoid (2)

(lateral surface)

   Pterygoid plate of sphenoid bone

(lateral portion)

   Greater wing of sphenoid bone

400

Platysma (3)

Mandible

Muscles around angle of mouth

Superficial fascia of lower face

400

praying muscles

Sternocleidomastoid

500

What is Oblique Capitis Superior?

500

Actions: 

Tenses skin of anterior neck (creating ridges)

Pulls corner of mouth downward & backward

Depresses the mandible

What is the Platysma?

500

Origins:

Lower nuchal ligament

Spinous processes of C7-T3

Serratus Posterior Superior

500

Diaphragm (1)

Insertion:

Central tendon

(cloverleaf-shaped aponeurosis)

500

 TMJ dysfunction muscles (3)

•Masseter, pterygoids, temporalis may be involved in TMJ dysfunction.

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