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muscles
| Question | Answer |
|---|---|
| occipitofrontalis | raises the eyebrow |
| orbicularis oris | pucker the lips |
| zygomaticus | smiling muscle |
| levator labii superioris | sneering |
| depressor anguli oris | frowning |
| mastication | chewing |
| 2 pairs of ptergoids | temporalis and masseter |
| buccinator | flattens the cheeks |
| obicularis oculi | close the eyelids and causes a wrinkle |
| intrinsic tounge mucle | change the shape of the tongue |
| extrinsic tongue muscle | move the tongue |
| sternocleidomastoid | laterl neck muscle and prime mover |
| platysma | sheetlike muscle that covers the anterolateral neck |
| erector spinae | group of muscles on each side of the back |
| thoracic | muscles that move the thorax |
| external intercosals | elevate the ribs during inspiration |
| internal intercostals | contrack during forced expiration |
| diaphragm | accomplishes quiet breathing |
| abdominal wall | flex rotate and vertebel column |
| constant tension produced by muscles of the body | muscle tone |
| contract quickly | fast twitch |
| isometric | length of muscle does not change |
| isotonic | contraction where tension stays the same |
| slow twitch fiber | contract more slow adn rare |
| orgin | head of muscle / stationary end |
| trapezius | rotates scapula |
| serratus anteriorly | pulls scapula anteriorly |
| pectoralis major | adducts and fkexes the arm |
| latissimus doris | medially rotates |
| deltoid | attaches the humerus to the scapula |
| triceps brachii | extrends the forearm |
| biceps brachii | flexes the forearm |
| brachialis | flexs the forearm |
| brachioradialis | flexes adn supinates |
| retinaculum | stong band of fibrous |
| muscles that work together | synergis |
| contraction of entire muscle in response to a stimulus | muscle twitch |
| flexor carpi | flexes the wrist |
| extensoror carpi | extends the wrist |
| flexor digitorum | flexs the finger |
| extensor digitorum | extends the finger |
| voluntary muscle | mucsle under control |
| gluteus maximus | buttocks |
| leg movments | quadriceps |
| gluteus maximus | buttox |
| quadriceps femoris | extends the leg |
| sartorius | flex the thigh |
| hamstring | posterior thigh muscle |
| gastrocnemius | form the calf muscle |
| ability for muscle to contract | contractiblity |
| the connective tissue sheath | epyisum |
| striated muscle | mucles with banding |
| endomysium | surounds muscle fiber |
| perimysium | bundls |
| fasicals | bundle of fibers |
| epimysium | surounds everythign |
| tendon | conect muscle to bone |
| smooth muscle | muscle that does not have banding |
| cardiac uscle | heart muscle |
| sarcolemma | plasma membrane of muscle fiber |
| thin filaments | actin |
| excitability | ability to respond to stimuli |
| contractility | ability to shorten forcefully |
| elasticity | ability to spring back |
| pushability | this is not of muscle |
| hyperplasia | growth of a tissue |
| somatic motor | neurons stimulate skeletal muscle |
| ligament | connects bone to bone |
| tendon | conect muscle to bone |
| perimysium | connective tissue surrounds |
| traid | one tubule |
| sarcomoere | contract muscle |
| synapse | this axon terminus and synapic |
| calcium pumps | put back the sarcoplasmin |
| calcium | level of tjis controls |
Created by:
maddieearlyy
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