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Glossary

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A

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abduction A 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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acute injury An injury with sudden onset and short duration.

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ad libitum In the amount desired.

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adduction A movement of a body part toward the midline of the body.

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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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ambulation Moving or walking from place to place.

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amenorrhea Absence or suppression of menstruation.

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amnesia Loss of memory.

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analgesia Pain inhibition.

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anaphylaxis An immediate transient allergic reaction resulting in swelling of tissues and dilation of capillaries.

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anemia Lack of iron.

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anesthesia Partial or complete loss of sensation.

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angioedema A well-defined area of swelling, occurring as a result of an allergic response.

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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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anterior cruciate ligament Ligament that stops external rotation.

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anxiety A feeling of uncertainty or apprehension.

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apophysis A bone outgrowth to which muscles attach.

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arrhythmia Irregular movement.

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arthroscopic examination Viewing the inside of a joint via the arthroscope, which utilizes a small camera lens.

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articulation A joint.

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assumption of risk The individual, through expressed or implied agreement, assumes some risk or danger will be involved in a particular undertaking.

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asymmetries (body) A lack of symmetry of sides of the body.

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ATC An athletic trainer certified by the Board of Certification.

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atrophy Wasting away of tissue or of an organ; diminution of the size of a body part.

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avascular necrosis Death of tissue resulting from a lack of blood supply.

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avulsion A tearing away.

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axial loading A blow to the top of the athlete’s head while in flexion.

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axilla Armpit.

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B

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ballistic stretching Older stretching technique that uses repetitive bouncing motions.

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bandage A strip of cloth or other material used to hold a dressing in place.

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bilateral Pertaining to both sides.

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biomechanics Branch of study that applies the laws of mechanics to living organisms and biological tissues.

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