Answers.
1- repetition maximum (1RM) correct answers The greatest amount of weight that can be lifted
with proper technique for only one repetition
2-for-2 rule correct answers A guideline that can be used to increase the load when two or more
repetitions above the reputation goal are completed in the final set of an exercise for two
consecutive training sessions.
acceleration correct answers An increase in velocity
action potential correct answers A temporary chance (reversal) in the electrical charge of a
muscle or nerve cell when it is stimulated
actin correct answers One of the two primary myofilaments; binds with myosin to cause a
muscle action
adenosine triphosphate (ATP) correct answers The universal energy-carrying molecule
manufactured in all living cells as a means of capturing and storing energy
adenosine triphosphatase (ATPase) correct answers An enzyme that hydrolyzes, or breaks down,
ATP and causes the release of energy
aerobic capacity correct answers See maximal oxygen uptake
age-predicted maximal heart rate (APMHR) correct answers The estimated maximum heart rate
as influenced by age (i.e., 220- age)
agonist correct answers A muscle that is shortening to perform a concentric action
alpha blocker correct answers A drug that opposes the excitatory effects of norepinephrine
released from sympathetic nerve endings at alpha-receptors and that causes vasodilation and a
decrease in blood pressure
alternated grip correct answers A grip in which one hand is pronated and the other hand is
supinated
amenorrhea correct answers Loss of menses for at least three consecutive menstrual cycles
amortization phase correct answers The time between the eccentric and concentric phases
anabolic correct answers Referring to the synthesis of larger molecules from smaller molecules
anatomical position correct answers Position in which a person stands erect with arms down at
the sides and palms forward
, angina correct answers A pain in the chest related to reduced coronary circulation that may or
may not involve heart of artery disease
angular motion correct answers Motion in which a body rotates about an axis
angular velocity correct answers An object's rotational speed
antagonist correct answers A muscle, typically anatomically opposite to the agonist, that can stop
or slow down a muscle action caused by the agonist
anthropometry correct answers The science of measurement applied to the human body;
generally includes measurements of height, weight, and selected body girths
aortic stenosis correct answers Narrowing of the aorta
appendicular skeleton correct answers Skeletal subdivision that consists of the shoulder girdle,
arms, legs, and pelvis
arteriovenous oxygen difference correct answers The difference in the oxygen content of arterial
blood versus venous blood expressed in milliliters of oxygen per 100 milliliters of blood
assistance exercises correct answers Exercises that involve movement at only one primary joint
and recruit a smaller muscle group or only one large muscle group or area
assumption of risk correct answers A defense for the personal trainer whereby the client knows
that there are inherent risks with participation in an activity but still voluntarily decides to
participate
atherosclerosis correct answers A progressive degenerative process through which the interior
lining of the arterial walls becomes hardened and inelastic
atrium correct answers An upper chamber of the heart that functions to pump blood to the lower
chamber of the heart (i.e., ventricle)
auscultate correct answers To listen to the sounds of the body by using a stethoscope
automated external defibrillator (AED) correct answers A portable device that identifies heart
rhythms; uses audio or visual prompts, or both, to direct the correct response; and delivers the
appropriate shock only when needed
autonomic dysreflexia correct answers Manifestation of a spinal cord injury that disrupts normal
regulation of arterial blood pressure
axial skeleton correct answers Skeletal subdivision that consists of the skull, vertebral column,
and thorax (rib cage)