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KIN325 - Lab #2 - Elisa Giordano KIN 325 Lab#2 Due Body...

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Elisa Giordano KIN 325 – Lab #2 Due: April 19, 2007 Body Composition & Muscle Fitness Lab Report PURPOSE STATEMENT The purpose of this lab was to measure the body composition and muscle fitness of three individuals, myself, one male, and one female. Body composition can be defined as “…absolute and relative amounts of muscle, bone, and fat tissues composing body mass” [Heyward, 2006]. Skinfold measurements, along with using calculations, are a good way to measure body composition. The main purpose of measuring body composition is to use the information to calculate a healthy body weight for an individual. Muscular fitness is comprised of muscle strength, muscle endurance, and flexibility. Muscle strength is the maximum amount of force that a muscle or muscle group can exert for one complete repetition. Muscle endurance is the ability of a muscle or muscle group to resist fatigue. Flexibility is the range of motion of a specific joint. The purpose of measuring an individuals muscular fitness is to asses that persons ability to perform many activities of daily living. Grip strength, 1-RM tests for bench press, leg press, arm curl, lat pull-down, leg extension, and leg curls are helpful tests in measuring muscular strength. Muscular endurance can be measured using the YMCA bench press, push-up test, and curl-up test. Standard and modified sit and reach tests, the Thomas test and back extension ROM can be used to asses muscular flexibility. RESULTS - Body Composition (See attached pages) o Sloan Weir Nomogram, Jackson Nomogram, Pollock, Schmidt and Jackson Chart, & Prediction Equations for Body Density - Muscle Fitness (See attached pages) - Estimating the 1RM o For Males: Predicted 1-RM (kg) = (1.55 x YMCA test repetitions) + 37.9 Marcin: (1.55 x 47 ) + 37.9 = 110.75 kg , ( 244.2 lbs .) o For Females: Predicted 1-RM (kg) = (0.31 x YMCA test repetitions) + 19.2
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Tara: (0.31 x 56 ) + 19.2 = 36.56 kg , ( 80.6 lbs .) DISCUSSION The percentages from the Sloan Weir nomogram, Jackson nomogram, Pollock, Schmidt and Jackson chart, and the predicted equations all estimate percent body fat.
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