Lab 5 Muscles

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Function of the Buccinator?

Compresses Cheeks
Function of the Mentalis?

Elevates & Protrudes Lower Lip
Function of the Orbicularis Oris?

Compresses, Purses Lips
Function of the Zygomatic Major?

Retracts & Elevates corner of mouth
Function of the Orbicularis Oculi?

Closes Eye
Function of the Frontal Belly?

Raises Eyebrows, Wrinkles Forehead
Function of the Occipital Belly?

Tenses & Retracts Scalp
Function of the Platsyma?
- Tenses skin of neck
- Depresses Mandible
Function of the Masseter?

Elevates Mandible & Closes the Jaw
Function of the Temporalis?

Elevates Mandible
Function of the Sternocleidomastoid?
- Flex the Neck
- Bends Head towards Shoulder
- Turns Face to Opposite Side
Function of the Spinalis Thoracis?

Extends Vertebral Column
Function of the Longissimus?
- Rotates & Laterally flexes Neck to that side
- Extends Vertebral Column; each produces Lateral Flexion to that side.
Function of the Illocastalis?
- Extends or Laterally flxess the neck, Elevates Ribs
- Stabilizes Thoracic Vertebrae in extension
- Extends Vertebral Column
- Depresses Ribs
Function of the External Intercostals?

Elevate Ribs
Finction of the Internal Intercostals?

Depress Ribs
Function of the Transversus Abdominis?

Compresses Abdomen
Function of the Internal Oblique?
- Compresses Abdomen
- Depresses Ribs
- Flexes or Bends the Spine
Function of the External Obilique?
- Compresses Abdomen
- Depresses Ribs
- Flexes or Bends the Spine
Function of the Diaphragm?
- Expand Thoracic Cavity
- Compress Abdominopelvic Cavity
- Breathing
Function of the Rectus Abdominus?
- Depresses Ribs
- Flexes Vertebral Column
- Compresses Abdomen

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Lab 5 Muscles

Description

Lab 5 Muscles

Updated

2011-10-16T18:51:54Z

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