Lab 5 Functions

Name the function

Elevates eyebrows

Wrinkles skin of forehead

Pulls scalp posteriorly

Compresses the cheek

Closes eye

Closes and protrudes the lip

Mentalis (Missing)

Protrudes lower lip

Depresses lower lip

Tenses skin of neck

Pulls angle of mouth superiorly and laterally

Elevates lateral portion of the lip

Retracts and elevates mandible

Closes jaw

Elevates mandible

Extends, rotates and laterally flexes neck

Flexes neck

Elevates rib cage

Extends vertebral column

Compresses abdominal cavity

Flexes vertebral column

Flexes or bends spine

Compresses abdomen

Flexes or bends spine

Compresses abdomen

Depresses ribs

Compresses abdominal cavity

Elevates ribs

Protracts and depresses scapula

Elevates, rotates and retracts scapula

Protracts scapula

Superior rotation of scapula

Rotates scapula posteriorly

Retracts and depresses scapula

Protracts and depresses shoulder

Adducts scapula

Performs downward rotation

Adducts Scapula

Performs downward rotation

External intercostals (missing)

Elevates rib cage

Internal intercostals (missing)

Depresses rib cage

Diaphragm (missing)

Expands thoracic cavity

Compresses abdominopelvic cavity