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Applications for Qualitative and Quantitative Motion Analysis

Applications for Qualitative and Quantitative Motion Analysis. Gary D. Heise, PhD Mark Peters, MA, ATC, CSCS Cory L. Christiansen, MS, PT. University of Northern Colorado School of Sport & Exercise Science Biomechanics Lab & Human Performance Lab. Greeley, CO. 210 km. Colorado Springs, CO.

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Applications for Qualitative and Quantitative Motion Analysis

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  1. Applications for Qualitative and Quantitative Motion Analysis Gary D. Heise, PhD Mark Peters, MA, ATC, CSCS Cory L. Christiansen, MS, PT University of Northern Colorado School of Sport & Exercise Science Biomechanics Lab & Human Performance Lab

  2. Greeley, CO 210 km Colorado Springs, CO

  3. Outline • Historical Comments • Qualitative Applications • Quantitative Applications Peak Motus

  4. Historical Comments • Early Motion Analysis • Photography • Moving Pictures Muybridge Marey

  5. Historical Comments • 20th Century Motion Analysis • Many descriptive studies • More Recently • Hypothesis-driven research • Modeling more common

  6. Outline • Historical Comments • Qualitative Applications • Quantitative Applications

  7. Qualitative Applications • Question: • How can clinicians (e.g., athletic trainers) improve the rehabilitation of injured athletes?

  8. Qualitative Applications • Application: • Record baseline, “healthy movement profiles” for possible, post-injury comparison. Dartfish sample video

  9. Qualitative Applications • Example: • golf • Dartfish • non-numerical • cues & tools • “key positions” • easily shared Dartfish high school golfer

  10. Qualitative Applications • Example: • squat • poor form Dartfish UNC Human Performance Lab

  11. Qualitative Applications • Example: • squat • good form Dartfish UNC Human Performance Lab

  12. Qualitative Applications Dartfish, SimulCam UNC Human Performance Lab

  13. Outline • Historical Comments • Qualitative Applications • Quantitative Applications Peak Motus

  14. Quantitative Applications • Questions: • Does flexibility influence motion? Do alterations from stretching influence motion?

  15. Quantitative Applications • Applications: • stretching and dynamic stiffness • stretching and locomotion in older adults • flexibility and runners

  16. Quantitative Applications • Range of Motion • active ROM • measured with video • high reliability • clinician bias removed Ankle Angle (df+, pf-) Peak Motus 9.0 Vicon Motion Systems, Inc.

  17. Quantitative Applications • Stretching • active ROM  • dynamic stiffness • EMG measures Leg Spring Model Ankle Angle (top), EMG activity (bottom) Peak Motus 9.0 Vicon Motion Systems, Inc.

  18. Stretching • older adults • walking kinematics Joint Angles: Hip (top), Knee, Ankle (bottom) Peak Motus 9.0 Vicon Motion Systems, Inc.

  19. Stretching • older adults • walking kinematics Angular Velocities: Hip (top), Knee, Ankle (bottom) Peak Motus 9.0 Vicon Motion Systems, Inc.

  20. side view top view Stick Figures: Runner A (top), Runner B (bottom) Peak Motus 9.0 Vicon Motion Systems, Inc.

  21. A-P axis Left Shoulder Right Shoulder (Shoulder – Hip) Runner A: Shoulder Line, Hip Line, (Shoulder – Hip) Peak Motus 9.0 Vicon Motion Systems, Inc.

  22. Concluding Comments • Qualitative • familiarity with system • feedback for patient • Quantitative • familiarity with system • feedback for experts • Relevant Information • keep it simple • use proven variables Borelli

  23. Acknowledgements Peak Motus

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