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69 Cards in this Set
- Front
- Back
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Orbicularis Oculi
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ORIGIN: Maxilla, frontal
INSERTION: Upper & lower eyelids ACTION: closes eyelids/wink/blink |
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Orbicularis Oris
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ORIGIN: Maxilla, mandible
INSERTION: upper & lower lips ACTION: closes, protrudes & shapes lips during speech/food/manipulation |
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Buccinator
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ORIGIN: Maxilla, Mandible
INSERTION: angle (angle of mouth) ACTION: Kissing/whistle, compresses cheeks in blowing, sucking, eating |
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Epicranius
FRONTALIS |
ORIGIN: epicranial, aponeurosis
INSERTION: skin of forehead ACTION: raises eybrows & wrinkles forehead |
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Epricranius
OCCIPITALIS |
ORIGIN: occipital, temporal
INSERTION: epicranial aponeurosis ACTION: acts w/ frontalis to draw scalp backward (suprised) |
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Platysma
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ORIGIN: upper fascia of thorax of mouth
INSERTION: mandible & corner ACTION: depresses mandible & depressed angel of mouth |
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NEXT 8
ONLY HAVE TO KNOW THE ACTIONS!!!!!!!! |
NEXT 8
ONLY HAVE TO KNOW THE ACTIONS!!!!!!!! |
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Mentalis
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ACTION: protrudes lower lip (pouting, doubt)
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Risorius
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ACTION: draws angle of mouth laterally; retraction (laugh, grin, tenseness, grimace)
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Zygomaticus major
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ACTION: elevates angle of mouth (smiling & laughing)
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Levator labii superioris
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ACTION: elevates UPPER lip
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Depressor labii inferioris
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ACTION: depress LOWER lip
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Corrugator (supercili)
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ACTION:draws eyebrow medially & inferiorly; produces vertical wrinkling of forehead, as in frowning, suffering, deep thought
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Depressor anguli oris
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ACTION: draws down corner of mouth, as in sadness
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Levator anguli oris
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ACTION: raises upper lip, making a furrow (snarl)
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MUSCLES OF MASTICATION
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MUSCLES OF MASTICATION
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Temporalis
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ORIGIN: Frontal, parietal, temporal
INSERTION: Mandible ACTION: Elevates & retracts mandible |
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Masseter
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ORIGIN: Maxilla, zygomatic arch
INSERTION: mandible ACTION: elevates mandible, protrudes mandible |
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Medial pterygoid
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ORIGIN: sphenoid, palatine, maxilla
INSERTION: Mandible ACTION: Elevates mandible, protrudes mandible |
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lateral pterygoid
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ORIGIN: Sphenoid
INSERTION: Mandible ACTION: depresses & protrudes mandible, side to side grinding (GRINDING) |
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MUSCLES OF THE EYE
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MUSCLES OF THE EYE
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Superior rectus
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ORIGIN: Sphenoid
INSERTION: sclera of eyeball ACTION: retracts & elevates eyeball |
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Inferior rectus downward
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ORIGIN: Sphenoid
INSERTION: sclera of eyeball ACTION: rolls eyeball (depression) medially |
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Medial rectus
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ORIGIN: Sphenoid
INSERTION: sclera of eyeball ACTION: rolls eyeball medially (ADDUCTION) |
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Lateral rectus
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ORIGIN: Sphenoid
INSERTION: sclera of eyeball ACTION: roles eyeball laterally (abduction) |
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Superior oblique
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ORIGIN: Sphenoid
INSERTION: sclera of eyeball ACTION: rotates eye inferiorly & laterally |
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Inferior oblique
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ORIGIN: Maxilla
INSERTION: sclera of eyeball ACTION: rotates eye superiorly & laterally |
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MUSCLES OF THE TONGUE
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MUSCLES OF THE TONGUE
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Intrinsic
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Located within tongue
alter the shape of the tongue (eat, speak, whistle) |
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What are the Extrinsic muscles of the tongue?
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Styloglossus
hyoglossus genioglossus |
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Styloglossus
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ORIGIN: Temporal, styloprocess
INSERTION: base of tongue FUNCTION: retracts & elevates tongue |
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Hyoglossus
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ORIGIN: hyoid
INSERTION: base of tongue FUNCTION: retracts & depresses tongue |
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Genioglossus
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ORIGIN: mandible
INSERTION: tongue, hyoid FUNCTION: protrudes & depresses tongue |
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MUSCLES OF THE PALATE
ONLY FUNCTION |
MUSCLES OF THE PALATE
ONLY FUNCTION |
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Palatoglossus
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FUNCTION: elevation of tongue
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Palatopharyngeus
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FUNCTION: elevation of pharynx to close nasopharynx
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Levator & tensor veli palatini
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FUNCTION: elevates & tenses soft palate (up & back) to close nasopharynx
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Musculus
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FUNCTION: ?
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Laryngeal MUSCLES
ONLY FUNCTION |
Laryngeal MUSCLES
ONLY FUNCTION |
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Intrinsic
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FUNCTION: in speech by regulating position & tension of vocal cords; opens and closes glottis
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Extrinsic
MUSCLES: Mylohyoid, stylohyoid, stylohoid, thyrohyoid, sternohyoid |
FUNCTION: move hyoid & larynx during swallowing
(infrahyoid & suprahyoid muscles of the neck) |
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MUSCLES OF THE NECK
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MUSCLES OF THE NECK
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Sternocleido-mastoid
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ORIGIN: Sternum, clavicle
INSERTION: temporal (mastoid) ACTION: flexes head & neck; laterally rotates head |
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Digastric
anterior belly posterior belly |
ORIGIN: mandible
INSERTION: by tendon to hyoid ACTION: raises hyoid & depresses mandible to open |
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Stylohyoid
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ORIGIN: temporal
INSERTION: hyoid ACTION: raises hyoid |
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mylohyoid
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ORIGIN: mandible
INSERTION: hyoid ACTION: raises hyoid & floor of mouth, forcing food back |
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geniohyoid
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ORIGIN: mandible
INSERTION: hyoid ACTION: draws hyoid & tongue anteriorly; raises hyoid |
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sternohyoid
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ORIGIN: Sternum, clavicle
INSERTION: hyoid ACTION: depresses hyoid |
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thyrohyoid
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ORIGIN: thyroid cartilage
INSERTION: hyoid ACTION: draws hyoid inferiorly |
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Omohyoid
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ORIGIN: scapula, clavicle (by tendon)
INSERTION: hyoid ACTION: draws hyoid inferiorly |
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VERTERBAL MUSCLES
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VERTERBAL MUSCLES
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Scalenes
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FUNCTION: to elevate ribs 1 & 2 during inhalation; flex cervical spine; flex neck
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MUSCLES OF THORAX
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MUSCLES OF THORAX
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Pectoralis major
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ORIGIN: sternum; clavicle; cartilage of ribs 1-7; apon of external obilque
INSERTION: Humerus FUNCTION: flexes, adducts rotates arm medially |
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Pectoralis minor
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FUNCTION: stabilizes scapular for arm movements; elevates ribs in inspiration
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External intercostals
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ORIGIN: Rib-superior
INSERTION: rib-inferior FUNCTION: elevates ribs: INHALATION |
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Internal intercostals
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ORIGIN: rib-inferior
INSERTION: rib superior FUNCTION: depresses ribs; expiration |
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Diaphragm
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ORIGIN: Sternum, costal carts
INSERTION: central tendon FUNCTION: increases volume of Thoracic cavity (respiration) & increase abdominal (micturition, childbirth) |
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MUSCLES OF THE ABDOMEN
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MUSCLES OF THE ABDOMEN
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External obilique
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ORIGIN: lower 8 ribs (5-12)
INSERTION: illac crest FUNCTION: lateral rotation & lateral flexion of trunk |
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internal oblique
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ORIGIN: ilium
INSERTION: 10-12th ribs FUNCTION: lateral rotation & lateral flexion of trunk |
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Transverse abdominis
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ORIGIN: 7-12th costal cartilage
INSERTION: sternum; pubis FUNCTION: compresses abdomen |
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Rectus Abdominis
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ORIGIN: pubis
INSERTION: sternum; inferior ribs FUNCTION: flexes trunk at waist; compresses abdomen |
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Psoas major & lliacus
(lliopsoas) |
FUNCTION: flexes thigh (hip joint) & flexes Vertebral column (trunk)
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Quadratus lumborum
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FUNCTION: flexes lumbar region laterally; fixes ribs 11 & 12 in forced expiration
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MUSCLES OF PELVIS
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MUSCLES OF PELVIS
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Pelvic diaphragm
- levator ani -coccygeus |
FUNCTION: support pelvic floor & resists increased intrabdominal pressure; aids in defection
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Urogenital diaphragm
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FUNCTION: stretches across anterior half of pelvic outlet to support the external genitals
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MUSCLES OF THE SUPERFICIAL PERINEAL SPACE
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MUSCLES OF THE SUPERFICIAL PERINEAL SPACE
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