SSCT Intro to Anantomy & Physiology Ch. 7
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| frontalis | elevates eyebrows; wrinkles forehead *forehead
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| orbicularis oris | closes mouth, shapes lips *bottom lip
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| orbicularis oculi | closes eye *eyebrow
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| platysma | depresses mandible, grimmace *under chin
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| masseter | elevates mandible *cheeks
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| temporalis | elevates mandible *temples
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| sternocleidomastoid | flexes neck *extends from behind ear to top of chest
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| rectus abdominus | compresses abdomen, flexes trunk *abdominal muscles
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| external oblique | compresses abdomen, rotates trunk *sides of abdomen
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| serratus anterior | protract scapula (pushing away, forward) *shoulder girdle muscle
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| trapezius | moves scapula, various ways *between shoulder & neck
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| pectoralis major | adducts shoulder *chest
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| latissimus dorsi | adducts shoulder *Back (back fat)
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| deltoid | abducts shoulder *shoulder
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| biceps brachii | flexes elbow *upper arm-front
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| triceps brachii | extend elbow *upper arm-back
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| flexor digitorum | flexes wrist & fingers *runs from wrist to elbow along the side of the arm.
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| extensor digitorum | extends wrist & fingers *runs from back of hand to elbow in the middle
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| rectus femoris | extend knee & flexes hip *runs from hip to knee in center
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| vastus lateralis | extend knee *runs from hip to knee on the outside of the thigh
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| vastus medialis | extend knee *runs from hip to knee on the inside of the thigh
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| vastus intermedius | extend knee *
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| biceps femoris | flex knee and extend hip, Hamstring muscle group, back of thigh-to the outside of the thigh, runs butt to knee
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| semitendinosus | flex knee and extend hip, hamstring muscle group *back of thigh-runs butt to knee toward the inside
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| semimembranosus | flex knee and extendd hip, Hamstring muscle group *back of thigh under biceps femoris
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| gluteus maximus | extends hip *butt
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| tibialis anterior | dorsiflexion of ankle *runs from knee to ankle in front of tibia
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| gastrocnemius | plantar flexes ankle *calf muscle
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| soleus | plantar flexes ankle *runs from front of tibia to ankle
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| Origin | attachment of a muscle to the bone that does not move when contraction occurs
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| Insertion | attachment of a muscle to the bone that it moves when contraction occurs
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| Tendon | bands or cords of fibrous connective tissue that attach a muscle to a bone or other structure
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| Isotonic Contraction | of the same tension or pressure
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| Isometric Contraction | type of muscle contraction in which muscle does not shorten
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| Contraction | ability of muscle cells to shorten or contract
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| Twitch | a quick jerky response to a single stimulus
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| Tetanic Contraction | Sustained contraction (tetanus or tetany)
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| Flexion | act of bending decreasing the angle between two bones at the joint
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| Extension | increasing the angle between two bones at a joint
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| abduction | moving a part away from the midline
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| adduction | moving a part toward the midline
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| rotation | movement around a longitudal axis
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| supination | to turn the palm of the hand upward
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| pronation | to turn the palm downward
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| Dorsiflexion | when the top of the foot is elevated with toes pointing upward
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| plantar flexion | action of the bottom of the foot being directed downward (allows a person to stand on their toes)
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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dmdisme
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