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Glossary

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abduction Movement of a body part away from the midline of the body.

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accident An act that occurs by chance or without intention.

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acclimatization A process by which an individual adapts to a gradual change in environmental conditions.

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accommodating resistance Change in resistance at different points in the range.

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active range of motion (AROM) Joint motion that occurs because of muscle contraction.

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acute injury An injury with sudden onset and short duration.

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adduction Movement of a body part toward the midline of the body.

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adipose cell Stores triglyceride.

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afferent nerves Nerves that transport messages toward the brain.

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Affordable Care Act Mandates the availability of affordable health care insurance for every American.

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agonist muscles Muscles directly engaged in contraction as related to muscles that relax at the same time.

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ambient Environmental (e.g., temperature or air that invests one’s immediate environment).

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ambulation Move or walk from place to place.

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ameoboid action Cellular action like that of an amoeba, using protoplasmic pseudopod.

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amenorrhea Absence or suppression of menstruation.

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amino acids Basic units that make up proteins.

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ampere Volume or amount of electrical energy.

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analgesia Pain inhibition.

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analgesic Agent that relieves pain without causing a complete loss of sensation.

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anaphylaxis Increased susceptibility or sensitivity to a foreign protein or toxin as a result of previous exposure to it.

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androgen Any substance that aids the development and controls the appearance of male characteristics.

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anemia Lack of iron.

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anesthesia Partial or complete loss of sensation.

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ankle mortise Talocrural joint formed by the tibia, fibula, and talus.

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anomaly Deviation from the normal.

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anorexia Lack or loss of appetite; aversion to food.

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anorexia nervosa Eating disorder characterized by a distorted body image.

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anoxia Lack of oxygen.

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antagonist muscles Muscles that counteract the action of the agonist muscles.

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anterior Before or in front of.

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anteroposterior Refers to the position of front to back.

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anteversion Tipping forward of a part as a whole, without bending.

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antipyretic Agent that relieves or reduces fever.

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anxiety A feeling of uncertainty or apprehension.

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apnea Temporary cessation of breathing.

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apophysis Bony outgrowth to which muscles attach.

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apophysitis Inflammation of an apophysis.

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arrhythmical movement Irregular movement.

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arthrogram Radiopaque material injected into a joint to facilitate the taking of an X-ray.

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arthrokinematics Physiological and accessory movements of the ...

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