what are the components of fitness - -muscular strength and endurance
-anaerobic fitness
-aerobic fitness
-flexibility
-body composition
what are the three energy systems - -phosphagen system (anaerobic)
-glycolytic system (anaerobic)
-aerobic energy system
how does exercise duration influence the contributions of the energy systems to physical
performance - -a shorter duration exercise (< 1 min) influences the anaerobic systems
-a longer duration exercise (> 1 min) influences the aerobic system
what are some common variables measured in the exercise physiology laboratory - -mass
-length
-height
-weight
-time
-temperature
-force
-work
-power
-energy
what are the three scales that can be used to express temperature - -Celcius
-Kelvin
-fahrenheit
an estimate of the consistency of a test - reliability
,the ability of a test to measure what it clames to measure - validity
represents the ability of a test to give similar results when given by different people - objectivity
can only be performed within the confines of the lab and requires the testing equipments which is
found within the lab - lab test
can be taken to the population of interest and conducted under more natural conditions - field test
an index which gives the extent and the direction of the linear association between two variables -
correlation coefficient
what does the term SI mean - international system
when are abbreviations of units capitalized - when the are named after a person
what are some scientists that have had a metric unit named in their honor - -Celsius
-Kelvin
-Watt
-Newton
what is the relationship between kilometers, meters, and millimeters - 1 kilometer = 1000 meters; 1
meter = 1000 millimeters
which variables incorporate force - N = kg x m x s
what is the caloric equivalent to 1 L of oxygen uptake - 5 kcal
in what three scales may temperature be expressed - -Celcius
-Kelvin
-fahrenheit
, in what units may pressure me expressed - pascals
the closeness of agreement between measured values obtained by repeated measurements
(reliability) - precision
how close a measured or calculated value is to the true value (validity) - accuracy
what is meant by the concept of unit analysis - an increase likelihood of getting the correct answer,
attention is given to the units
what is meant by the term stature - the standing height of a human
what are some of the purposes of measuring height - -to see compression of the spine
-to measure BMI
what is a stadiometer - a tool to measure height
how good is the test-retest reliability of height and weight measurements - its not accurate, you
must test and retest at the same time every day
how well do people self report height and weight - not well
-when is it preferred to use nude body weight
-when is it preferred to use exercise-clothed body weight - -while measuring body composition
-while measuring for work or power
-during which decade of life is height observed to peak in men and women
-during which decade of life is weight observed to peak in men and women - -both peak at age 49
-men peak in their 50's; women peak in their 40's
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