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27 Cards in this Set
- Front
- Back
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Plantar Flexion
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Standing on your toes
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Dorsiflexion
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Walking on heels
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Circumduction
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Winding up for a pitch in baseball.
Moving the head to signify "no" |
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Adduct
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To keep your seat when riding a horse, the tendency is to ____ your thighs.
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Flexion
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In running, the action of the hip joint ______ in reference to the leg moving forward.
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Extension
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In running, the action of the hip joint when the leg is in the posterior position.
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Rotation
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Using a screwdriver with a straight arm requires ______ of the shoulder.
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Pronation
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Action that moves the distal end of the radius across the ulna.
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Prime Mover
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An Agonist.
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Fixator
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Postural Muscles for the most part.
Immobilizes origin of prime mover. |
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Synergist
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Stabilizes a joint so that the prime mover can act at more distal joints.
Same movement as prime mover. |
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Antagonist
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Reverses action of prime mover
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Zygomaticus
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Used in smiling
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Buccinator
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Used to suck in your cheeks.
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Obicularis Oculi
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Used in winking
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Frontalis
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Used to form frown crease on forehead
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Obicularis Oris
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The kissing muscle
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Masseter
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Prime mover of jaw closure
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Temporalis
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Synergist muscle for jaw closure
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Sternocleidomastoid
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Prime mover of head flexion; two-headed muscle
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Rectus Abdominus
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"Straight muscle of the abdomen"
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Pectoralis Major
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Prime mover for shoulder flexion and adduction.
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Deltoid
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Prime mover for shoulder abduction.
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External Oblique
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Forms external lateral walls of the abdomen.
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Transversus Abdominus, Internal Oblique
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2 pairs of muscles that form abdominal girdle
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Diaphragm
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Deep muscles of the thorax that promote inspiratory phase of breathing.
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External Intercostal
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Acts with diaphragm to achieve inspiration
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