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HTMR Workshop, 2006
Applications for Qualitative and Quantitative Motion
AnalysisGary D. Heise, PhDMark Peters, MA, ATC, CSCSCory L. Christiansen, MS, PT
University of Northern ColoradoSchool of Sport & Exercise Science
Biomechanics Lab & Human Performance Lab
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HTMR Workshop, 2006
Greeley, CO
Colorado Springs, CO
210 km
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HTMR Workshop, 2006
OutlineOutline
Historical CommentsQualitative ApplicationsQuantitative Applications
Peak Motus
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HTMR Workshop, 2006
Historical CommentsHistorical Comments
Early Motion AnalysisPhotographyMoving Pictures
MuybridgeMarey
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HTMR Workshop, 2006
20th Century Motion AnalysisMany descriptive studies
More RecentlyHypothesis-driven researchModeling more common
Historical CommentsHistorical Comments
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HTMR Workshop, 2006
OutlineOutline
Historical CommentsQualitative ApplicationsQuantitative Applications
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HTMR Workshop, 2006
Qualitative ApplicationsQualitative Applications
Question:How can clinicians (e.g., athletic trainers)
improve the rehabilitation of injured athletes?
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HTMR Workshop, 2006
Qualitative ApplicationsQualitative ApplicationsApplication:
Record baseline, “healthy movement profiles” for possible, post-injury comparison.
Dartfishsample video
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HTMR Workshop, 2006
Qualitative ApplicationsQualitative Applications
Example:golf
Dartfishnon-numericalcues & tools“key positions”easily shared
Dartfishhigh school golfer
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HTMR Workshop, 2006
Qualitative ApplicationsQualitative ApplicationsExample:
squat
poor form
DartfishUNC Human Performance Lab
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HTMR Workshop, 2006
Qualitative ApplicationsQualitative ApplicationsExample:
squat
good form
DartfishUNC Human Performance Lab
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HTMR Workshop, 2006
Qualitative ApplicationsQualitative Applications
Dartfish, SimulCamUNC Human Performance Lab
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HTMR Workshop, 2006
OutlineOutline
Historical CommentsQualitative ApplicationsQuantitative Applications
Peak Motus
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HTMR Workshop, 2006
Quantitative ApplicationsQuantitative Applications
Questions:Does flexibility influence motion? Do alterations
from stretching influence motion?
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HTMR Workshop, 2006
Quantitative ApplicationsQuantitative ApplicationsApplications:
stretching and dynamic stiffnessstretching and locomotion in older adultsflexibility and runners
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HTMR Workshop, 2006
Quantitative ApplicationsQuantitative Applications
Range of Motionactive ROMmeasured with videohigh reliabilityclinician bias removed
Peak Motus 9.0Vicon Motion Systems, Inc.
Ankle Angle (df+, pf-)
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HTMR Workshop, 2006
Peak Motus 9.0Vicon Motion Systems, Inc.
Quantitative ApplicationsQuantitative Applications
Ankle Angle (top), EMG activity (bottom)
Stretchingactive ROM dynamic stiffnessEMG measures
Leg SpringModel
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HTMR Workshop, 2006
Peak Motus 9.0Vicon Motion Systems, Inc.
Joint Angles: Hip (top), Knee, Ankle (bottom)
Stretchingolder adultswalking kinematics
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HTMR Workshop, 2006
Peak Motus 9.0Vicon Motion Systems, Inc.
Angular Velocities: Hip (top), Knee, Ankle (bottom)
Stretchingolder adultswalking kinematics
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HTMR Workshop, 2006
Peak Motus 9.0Vicon Motion Systems, Inc.
Stick Figures: Runner A (top), Runner B (bottom)
sideview
topview
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HTMR Workshop, 2006
Peak Motus 9.0Vicon Motion Systems, Inc.
Runner A: Shoulder Line, Hip Line, (Shoulder – Hip)
A-P axisLeft Shoulder
Right Shoulder
(Shoulder – Hip)
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HTMR Workshop, 2006
Concluding CommentsConcluding Comments
Qualitativefamiliarity with systemfeedback for patient
Quantitativefamiliarity with systemfeedback for experts
Relevant Informationkeep it simpleuse proven variables
Borelli
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HTMR Workshop, 2006
AcknowledgementsAcknowledgements
Peak Motus