Muscle Action Lecation Origin Insertion Prontalls or Spanning over top of head O

Question

Muscle Action Lecation Origin Insertion Prontalls or Spanning over top of head Orbicularisi Around eye socket Orvicularis s Around mouth Buccinator Lateral cheek wall somadicasr CemajrCheek. & minor) Levator labil Cheek (closer to nose) Depressor anguli eri Chin Suprakpoids Neck above larynx Infraktyoids Neck below larynx Superficial Neck Maseter Lateral Check Temporali's Lateral Cheek, Side of head Sternocleldomastold Lateral Neck Posterior neck Semispinalis capitlsDeep neck (posterior) Deep neck (posterior) Deep back Between Thorax & Abdomen Splenius capitis Erector spinae Group onb Agninga" Diaphragm

Explanation / Answer

Answer : action of the muscles are listed here:

1) frontally epicranius: helps in raising eyebrows. Wrinkles in the forehead is formed using this muscle.

2) orbicularly oculi: helps in closing eyelids.

3) orbicularly oris : skin around the lip is controlled by this muscle. Also known as kissing muscles.

4) buccinator : it is present between maxilla and mandible at the side of the face. It helps in expanding the cheeks.

5) zygomaticus major : it draws angle of mouth upward and laterally.

Zygomaticus minor : helps to elevate the upper lip.

Origin: zygomatic bone

Insertion : skin of the upper lip

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