HTMR Workshop, 2006
Applications for Qualitative
and Quantitative Motion
AnalysisGary 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
HTMR Workshop, 2006
Greeley, CO
Colorado Springs, CO
210 km
HTMR Workshop, 2006
OutlineOutline
Historical Comments
Qualitative Applications
Quantitative Applications
Peak Motus
HTMR Workshop, 2006
Historical CommentsHistorical Comments
Early Motion AnalysisPhotography
Moving Pictures
MuybridgeMarey
HTMR Workshop, 2006
20th Century Motion AnalysisMany descriptive studies
More RecentlyHypothesis-driven research
Modeling more common
Historical CommentsHistorical Comments
HTMR Workshop, 2006
OutlineOutline
Historical Comments
Qualitative Applications
Quantitative Applications
HTMR Workshop, 2006
Qualitative ApplicationsQualitative Applications
Question:How can clinicians (e.g., athletic trainers)
improve the rehabilitation of injured athletes?
HTMR Workshop, 2006
Qualitative ApplicationsQualitative Applications
Application:Record baseline, “healthy movement profiles” for possible, post-injury comparison.
Dartfishsample video
HTMR Workshop, 2006
Qualitative ApplicationsQualitative Applications
Example:golf
Dartfishnon-numerical
cues & tools
“key positions”
easily shared
Dartfishhigh school golfer
HTMR Workshop, 2006
Qualitative ApplicationsQualitative Applications
Example:squat
poor form
DartfishUNC Human Performance Lab
HTMR Workshop, 2006
Qualitative ApplicationsQualitative Applications
Example:squat
good form
DartfishUNC Human Performance Lab
HTMR Workshop, 2006
Qualitative ApplicationsQualitative Applications
Dartfish, SimulCamUNC Human Performance Lab
HTMR Workshop, 2006
OutlineOutline
Historical Comments
Qualitative Applications
Quantitative Applications
Peak Motus
HTMR Workshop, 2006
Quantitative ApplicationsQuantitative Applications
Questions:Does flexibility influence motion? Do alterations
from stretching influence motion?
HTMR Workshop, 2006
Quantitative ApplicationsQuantitative Applications
Applications:stretching and dynamic stiffness
stretching and locomotion in older adults
flexibility and runners
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-)
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
HTMR Workshop, 2006
Peak Motus 9.0Vicon Motion Systems, Inc.
Joint Angles: Hip (top), Knee, Ankle (bottom)
Stretchingolder adultswalking kinematics
HTMR Workshop, 2006
Peak Motus 9.0Vicon Motion Systems, Inc.
Angular Velocities: Hip (top), Knee, Ankle (bottom)
Stretchingolder adultswalking kinematics
HTMR Workshop, 2006
Peak Motus 9.0Vicon Motion Systems, Inc.
Stick Figures: Runner A (top), Runner B (bottom)
sideview
topview
HTMR Workshop, 2006
Peak Motus 9.0Vicon Motion Systems, Inc.
Runner A: Shoulder Line, Hip Line, (Shoulder – Hip)
A-P axis
Left Shoulder
Right Shoulder
(Shoulder – Hip)
HTMR Workshop, 2006
Concluding CommentsConcluding Comments
Qualitativefamiliarity with system
feedback for patient
Quantitativefamiliarity with system
feedback for experts
Relevant Informationkeep it simple
use proven variablesBorelli
HTMR Workshop, 2006
AcknowledgementsAcknowledgements
Peak Motus