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Health-Related Physical Fitness Testing and Interpretation

Purposes of Health-Related Fitness Testing. 1. Educate about present state of fitness status, relative to health-related standards & age- and gender-matched norms ...

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Health-Related Physical Fitness Testing and Interpretation

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    Slide 1:Health-Related Physical Fitness Testing and Interpretation

    Chapter 4

    Slide 2:Purposes of Health-Related Fitness Testing

    1. Educate about present state of fitness status, relative to health-related standards & age- and gender-matched norms 2. Provide data for development of Ex. Rx. That includes all components of fitness 3. Collect baseline & follow-up data for progress evaluation 4. Motivation of reasonable & attainable fitness goals 5. Stratifying cardiovascular risk.

    Slide 3:Physical Fitness Testing—What we can test for:

    The Components of Fitness Cardiorespiratory Endurance Muscular Strength Muscular Endurance Flexibility Body Composition

    Slide 4:Basic Principles & Guidelines for Physical Fitness Testing  

    Pretest Instructions Test Order—resting measurements ( ht. Wt, BP, HR, lung volumes) & body comp first—then cardiorespiratory endurance, muscular fitness, and flexibility last. Get paper work ready (forms, score sheets, etc.) Prepare (calibrate if necessary) & organize equipment Set room temp. 68o to 72o F

    Slide 5:Basic Principles & Guidelines for Physical Fitness Testing

    Test Environment Comfortable, quiet, private testing area/room Personnel (you!)= Relaxed & confident Clearly explain (again) all procedures Do Not Rush!

    Slide 6:Body Composition Estimates

    Anthropometric Methods: 1. BMI (Ht & Wt) Tables 4-1 and 4-2, p.58-59 2. Circumferences Table 4-3, p.61 Box 4-1, p. 60 3. Skinfold Measurements Box 4-2, p.62 Box 4-3, p. 63

    Slide 7:Densitometry Measuring Body Density

    Hydrodensitometry Weighing—UWW Plethysmography—Body volume measured by air displacement Conversion of Body Density to Body Composition %fat Estimated by prediction equations p. 64, Table 4-4, p. 65

    Slide 8:Body Composition Norms

    Men—Table 4-5, p. 66 Women—Table 4-6, p.67

    Slide 9:Cardiorespiratory Fitness

    Maximal Oxygen Uptake VO2max, Max VO2 Qmax x a-vO2 difference Measured by open-circuit spirometry Expired fractions of O2 and CO2

    Slide 10:Maximal vs Submaximal Exercise Testing

    Estimates of VO2max from HR response to submaximal exercise tests—based on assumptions: Steady-state HR HR & work rate are linear Maximal work load indicates maximal VO2 Maximal HR is uniform for age Mechanical efficiency is same for all Subject not on meds that alter HR

    Slide 11:Modes of Testing

    Field Tests 12-Minute Run (for distance) 1.5 mile run (for time) Rockport One-Mile walk Test (for HR response)

    Slide 12:Modes of Testing cont

    Motor driven treadmills Multistage incremental test (several protocols, see Ch. 5) Endpoint = 70% HRR or 85% of age-predicted maximal HR 3-minute stages HR extrapolated to age-predicted max HR and VO2max estimated

    Slide 13:Modes of Testing cont

    Mechanically braked cycle ergometers Single-stage: Astrand-Ryhming p. 72 Multi-stage: YMCA bike test? 2-4 3-minute stages 2 consecutive HRs within range of 110 b/min and 85% of subject’s HRmax

    Slide 14:Modes of Testing cont

    Step tests Estimating VO2max from HR to several submax work rates (increased during test) Categorize CV fitness on recovery HR 3 Minute YMCA Step Test 12” step Harvard Step Test 17” gymnasium bleacher seat

    Slide 15:CR Test Procedures & Measures

    HR, BP, and Rating of Perceived Exertion (RPE) RPE monitors subject’s exercise tolerance Two Scales, p. 77 Recommended instructions, p. 78

    Slide 16:Test Termination Criteria

    Box 4-5 p. 78

    Slide 17:Muscular Strength & Endurance

    Tests should incorporate: Strict posture Consistent speed of movement Full ROM Use of spotters Equipment familiarity Proper warm-up

    Slide 18:Muscular Strength

    Maximal amount of force generated by a specific muscle or muscle group 1-repetition max (1-RM) Multiple RM (4 or 8 RM) Leg Press & Bench Press, p. 82-83

    Slide 19:Muscular Endurance

    Ability of muscle group to contract repeatedly over time to cause fatigue Push-Ups and Curl-Ups, p. 84-87

    Slide 20:Flexibility

    Ability of joint to move through full ROM Flexibility is joint specific Factors affecting: tendons, ligaments, distensibility of joint capsule, muscle viscosity

    Slide 21:Flexibility Measurement Tests

    Trunk (forward) Flexion Sit-and-Reach Goniometric measurements of selected joints

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