Biomechanical P ... Slalom Water Skiing R1.pdf - Atrium - University ...

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Appendix A: Sample calibration procedure for the loadtransducerA calibration curve for the load transducer was created for each of the three experimentaltest days. To generate a Force vs Voltage diagram, data was collected while a series ofweights (0kg, 5kg, 10kg and 15kg) were hung from the transducer. Equation 1 was usedto determine the force produced from each of the weights.Force = mass × 9.81Equation 1A sample calculation for the 5kg mass can be seen below.Force = mass × 9.81Force = 5kg× 9.81m/ sForce = 49.05N2The average voltage while the 5kg mass was hung from the transducer, was calculatedand used to plot point A on the calibration curve seen in Figure 1. This was repeated for amass of 0kg, 10kg and 15kg and then a linear model was fit to the data.120
Load Transducer Output (V)0.80.70.60.50.40.30.20.10-0.1Point Ay = 0.0048x - 0.0004R 2 = 0.9990 20 40 60 80 100 120 140 160Applied Load (N)Figure 1: Calibration curve generated for day 1. The linear model equation was used to determinerope load given the voltage output during each experimental test run.The equation of the linear model could then be used to calculate rope load given thevoltages readings from the experimental test runs. A sample calculation can be seenbelow.RopeLoad = (208.33 × Voltage)+ 0.0833RopeLoad = (208.33 × 0.069) + 0.0833RopeLoad = 14.46N121
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BIOMECHANICAL PERFORMANCE FACTORS O
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AcknowledgmentsI would like to star
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6.1 Conclusion and Future Considera
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83.42º·s and 48.92 º. There was
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List of TablesChapter 4Table 1: Sum
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1.1 The Basics of Water SkiingWater
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deep water start a good performance
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skills in order to be able to ident
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completed their test runs throughou
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1.5 Thesis outlineChapter 2 will pr
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Chapter 2: Literature Review13
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of material can be used as a force
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& Pesty, n.d.; Zang et al., 2004].
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instrumentation system used did not
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allowed them to plot a velocity ver
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Chapter 3: Methods and Instrumentat
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AbstractThere are many challenges w
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is most likely the main reason why
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applicable to dynamic sports [Brodi
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The product chosen that best met th
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ON) that did not require any modifi
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single data collection program that
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Figure 3 - Diagram of slalom course
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for patterns in the data that sugge
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200SU EC ST BTA150Angle (degrees)10
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10050Angle (Degrees)0-50-100-150Pit
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RF communication systems are easily
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The roll profile can be used to det
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Chapter 4: Water Skiing Biomechanic
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AbstractSix advanced slalom skiers
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Recreational and competitive slalom
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Table 1: Summary of human participa
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Figure 2: Diagram of slalom course
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at a rate of 1 Hz (BG-331RGTGT, Mig
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adjusted p-value. (SAS Institue Inc
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Table 3: Summary of completed turns
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Rope load peaks during the cutting
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Peak skier velocity for each turn i
Page 79 and 80: 4 DiscussionThere are several varia
Page 81 and 82: trend was seen by Runciman (2011) w
Page 83 and 84: (p=0.2437 and p=0.246). It was expe
Page 85 and 86: velocity and low peak rope load. In
Page 87 and 88: improve the accuracy that a coach e
Page 89 and 90: Chapter 5: Biomechanical Analysis o
Page 91 and 92: AbstractWater skiing has received l
Page 93 and 94: ski manufacturers ability to compar
Page 95 and 96: given about how the effects of the
Page 97 and 98: tip. The IMU housing was wrapped in
Page 99 and 100: (roll, acceleration and deceleratio
Page 101 and 102: decrease. This portion of the turn
Page 103 and 104: Roll, Ski Acceleration and SkierVel
Page 105 and 106: Integral of Roll, Peak Roll (degree
Page 107 and 108: Integral of Roll, Peak Roll (degree
Page 109 and 110: Integral of Deceleration (m/s 2 *s)
Page 111 and 112: Figure 12 shows each ski’s overal
Page 113 and 114: Integral of Acceleration, Peak Acce
Page 115 and 116: Integral of Acceleration, Peak Acce
Page 117 and 118: peak velocity is also occurring at
Page 119 and 120: was not a significant difference be
Page 121 and 122: The lack of statistical significanc
Page 123 and 124: Chapter 6 - Conclusion and Future C
Page 125 and 126: The data, in combination with a sta
Page 127 and 128: Bachmann, E.R. (2000). Inertial and
Page 129: Appendices119
Page 133 and 134: Skiing Background Information6. How
Page 135 and 136: Section 2 - Follow up surveyPlease
Page 137: Appendix C - Ski Survey ResultsThe
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