Axial muscles

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52 Terms

1
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Buccinator

Used to suck in your cheeks

<p>Used to suck in your cheeks</p>
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Depressor labii inferioris

Lowers lower lip

<p>Lowers lower lip</p>
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Levator labii superioris

Raises upper lip

<p>Raises upper lip</p>
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Orbicularis oris

Closes lips (kissing muscle)

<p>Closes lips (kissing muscle)</p>
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Depressor anguli oris

Depresses corner of mouth

<p>Depresses corner of mouth</p>
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Occipitofrontalis

Raises eyebrows, wrinkles forehead

<p>Raises eyebrows, wrinkles forehead</p>
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Temporoparietalis

Tenses scalp, moves auricle of ear

<p>Tenses scalp, moves auricle of ear</p>
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Corrugator supercilii

Wrinkles brow

<p>Wrinkles brow</p>
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Orbicularis oculi

Closes eyelids; used in blinking, winking, and squinting

<p>Closes eyelids; used in blinking, winking, and squinting</p>
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Zygomaticus major

Retracts and elevates corner of mouth, smiling (8)

<p>Retracts and elevates corner of mouth, smiling (8)</p>
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Zygomaticus minor

Retracts and elevates upper lip (9)

<p>Retracts and elevates upper lip (9)</p>
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Mentalis

Elevates and protrudes lower lip

<p>Elevates and protrudes lower lip</p>
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Procerus

Moves and wrinkles nose

<p>Moves and wrinkles nose</p>
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Temporalis

Closes jaw

<p>Closes jaw</p>
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Masseter

Elevates mandible

<p>Elevates mandible</p>
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Sternocleidomastoid

Flexes neck; rotates head

<p>Flexes neck; rotates head</p>
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Platysma

Draws down the lower lip and angles of the mouth; tenses skin of the neck; helps depress mandible

<p>Draws down the lower lip and angles of the mouth; tenses skin of the neck; helps depress mandible</p>
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Digastric

Elevates hyoid and depresses mandible

<p>Elevates hyoid and depresses mandible</p>
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Mylohyoid

Elevates hyoid bone and floor of mouth

<p>Elevates hyoid bone and floor of mouth</p>
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Geniohyoid

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Omohyoid

Depresses hyoid

<p>Depresses hyoid</p>
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Sternohyoid

Depresses hyoid bone and larynx

<p>Depresses hyoid bone and larynx</p>
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Genioglossus

Depresses and protrudes tongue

<p>Depresses and protrudes tongue</p>
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Hyoglossus

Depresses and retracts tongue

<p>Depresses and retracts tongue</p>
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Scalene (group)

Flexes/rotates neck; raises ribs

<p>Flexes/rotates neck; raises ribs</p>
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External ocular muscles (6)

Movement of eyeball

<p>Movement of eyeball</p>
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Diaphragm

Large, flat muscle at the bottom of the chest cavity that helps with breathing

<p>Large, flat muscle at the bottom of the chest cavity that helps with breathing</p>
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External intercostals

Elevates ribs

<p>Elevates ribs</p>
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Internal intercostals

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Pectoralis major

Adducts and flexes humerus

<p>Adducts and flexes humerus</p>
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Pectoralis minor

coracoid process of scapula

<p>coracoid process of scapula</p>
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Serratus anterior

Pulls scapula anteriorly and downward

<p>Pulls scapula anteriorly and downward</p>
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Rectus abdominis

Flexes vertebral column

<p>Flexes vertebral column</p>
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External oblique

Compresses abdomen; laterally flexes and rotates vertebral column

<p>Compresses abdomen; laterally flexes and rotates vertebral column</p>
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Internal oblique

Tenses abdominal wall and compresses abdominal contents

<p>Tenses abdominal wall and compresses abdominal contents</p>
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Transverse abdominis

Compresses abdomen

<p>Compresses abdomen</p>
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Linea alba

Midline tendinous seam joining the abdominal muscles

<p>Midline tendinous seam joining the abdominal muscles</p>
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Latissimus dorsi

Extends, adducts, and medially rotates the arm; draws the shoulder downward and backward

<p>Extends, adducts, and medially rotates the arm; draws the shoulder downward and backward</p>
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Trapezius

Elevates, depresses, retracts, and rotates the scapula; rotates the arm

<p>Elevates, depresses, retracts, and rotates the scapula; rotates the arm</p>
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Rhomboid major

Adducts scapula

<p>Adducts scapula</p>
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Rhomboid minor

Adducts scapula

<p>Adducts scapula</p>
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Erector spinae

Prime mover of back extension

<p>Prime mover of back extension</p>
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Semispinalis

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Transverseospinalis (multifidus)

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Quadratus lumborum

Flexes the spine laterally

<p>Flexes the spine laterally</p>
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Ischiocavernosus

Maintains erection

<p>Maintains erection</p>
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Bulbospongiosus

Males: helps empty urethra

Females: constricts vagina

<p>Males: helps empty urethra</p><p>Females: constricts vagina</p>
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Deep transverse perineal

Supports pelvic organs

<p>Supports pelvic organs</p>
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External anal sphincter

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Internal anal sphincter

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Levator ani

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Hypothalamus

Lying below the thalamus; it directs eating, drinking, body temperature; helps govern the endocrine system via the pituitary gland; and is linked to emotion and reward

<p>Lying below the thalamus; it directs eating, drinking, body temperature; helps govern the endocrine system via the pituitary gland; and is linked to emotion and reward</p>