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Muscles
| Term | Definition |
|---|---|
| In front of: | Anterior |
| Behind or in back of: | Posterior |
| Opens, enlarges or expands: | Dilator |
| Located above or is larger: | Superioris |
| Draws down or depresses: | Depressor |
| Midsection of the muscle: | Belly |
| The nonmoving (fixed) portion of the muscle attached to bones or other fixed muscle: | Origin |
| The portion of the muscle joined to movable attachment: | Insertion |
| Consists of all the structures above the cranium: | Epicranium |
| Broad muscle formed by two muscles joined by the aponeurosis tendon: | Epicranius |
| Extends from the forehead to the top of the skull: | Frontalis |
| At the nape of the neck: | Occipitalis |
| In front of the ear: | Auricularis Anterior |
| Above the ear: | Auricularis Superior |
| Behind the ear: | Auricularis Posterior |
| Between eyebrows; controls the eyebrows, drawing them in and downward: | Corrugator |
| Above eyelids; raises the eyelid: | Levator Palpebrae Superioris |
| Circles the eye socket; closes the eyelid: | Orbicularis Oculi |
| Between the eyebrows; across the bridge of the nose; draws brows down; wrinkles the area across the bridge of the nose: | Procerus |
| Circles the mouth; contracts, puckers, nd wrinkles the lips, as in kissing or whistling: | Orbicularis Oris |
| Consists of 3 parts located above the upper lip; raises both the nostrils and the upper lip, as in expressing distaste: | Quadratus Labii Superioris |
| Below the lower lip; pulls the lower lips down or to the side, as in expressing sarcasm: | Quadratus Labii Inferioris |
| Tip of the chin; pushes lower lip up and/or wrinkles the chin, as in expressing doubt: | Mentalis |
| Corner of the mouth; draws the mouth up and out, as in grinning: | Risorius |
| Above the corners of the mouth; raises the angle of the mouth, as in snarling: | Caninus |
| Below the corners of the mouth; draws the corners of the mouth down, as in expressing sadness: | Triangularis |
| Major and minor; outside corners of the mouth; draws the mouth up and back, as in laughing: | Zygomaticus |
| Between the jaws and cheek; compressing the cheek to release air outwardly, as in blowing: | Buccinator |
| Above and in front of the ear; opening and closing the jaw, as in chewing: | Temporalis |
| Covers the hinge of the jaw; aids in closing the closing the jaw, as in chewing: | Masseter |
| Extends from the tip of the chin to the shoulders and chest; draws the lower lip and corner of the mouth sideways and down, partially opening the mouth as in surprise or fright: | Platysma |
| Extends along the side of the heck from ear to collarbone; causes the head to move from side to side and up and down, as in nodding yes or no: | Sternocleidomastoideus |
| Flat, triangular; covers the upper and back part of the neck and shoulders; aids in drawing the head back and elevating the shoulder blades: | Trapezius |
| Flat, triangular; covers the lumbar region and lower half of the thoracic region; aids in swinging of the arms: | Latissimus Dorsi |
| Extend across the front of the chest; assist in swinging the arms: | Pectoralis Major & Minor |
| Under the arm. helps in lifting the arm and in breathing: | Serratus Anterior |
| Triangle-shaped; covers the shoulder; lifts the arm or turns it: | Deltoid |
| Primary muscle in the front of the upper arm; raises the forearm, bends the elbow and turns the palm of the hand down: | Bicep |
| Extends the length of the upper arm to the forearm; controls forward movement of the forearm: | Tricep |
| Runs parallel to the ulna; turns the palm of the hand downward and inward: | Pronator |
| Mid-forearm, on the inside of the arm; bends wrist and closes the fingers: | Flexor |
| Mid-forearm, on the outside of the arm; straightens the fingers and wrist: | Extensor |
| Stretches over fingers; separates the fingers: | Abductor |
| Stretches over fingers; draws the fingers together: | Adductor |
| Causes the thumb to move toward the fingers, giving the ability to grasp or make a fist: | Opponens |
| Covers the front of the shin; bends the foot upward and inward: | Tibialis Anterior |
| Back of the leg attached to the lower rear surface of the heel; pulls the foot down: | Gastrocnemius |
| Originates in the upper two-thirds of the outer fibula; causes the foot to invert and turn outward: | Peroneus Longus |
| Originates in the lower third of the fibula; bends the foot down and out: | Peroneus Brevis |
| Originates i the upper portion of the fibula from just below the knee to the heel; bends the foot down: | Soleus |
| Outside of the lower leg; bends the foot up and extends the toes: | Extensor Digitorum Longus |
| Between the tibialis interior and extensor digitorum longus; extends the big tow and flexes the foot: | Extensor Hallucis Longus |
| Along the base of the small toe, flexes the joint of the small toe: | Flexor Digiti Minimi Brevis |
| Across the ball of the foot beneath the toes; flexes the toes: | Flexor Digitorum Brevis |
| Runs along the interior border of the foot; moves the big toe away from the other toes: | Abductor Hallucis |
| Runs along the outside border of the foot and connects to the heel; moves the smallest toe away from the other toes: | Abductor Digiti Minimi |