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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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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

slide2

Greeley, CO

210 km

Colorado Springs, CO

outline
Outline
  • Historical Comments
  • Qualitative Applications
  • Quantitative Applications

Peak Motus

historical comments
Historical Comments
  • Early Motion Analysis
    • Photography
    • Moving Pictures

Muybridge

Marey

historical comments5
Historical Comments
  • 20th Century Motion Analysis
    • Many descriptive studies
  • More Recently
    • Hypothesis-driven research
    • Modeling more common
outline6
Outline
  • Historical Comments
  • Qualitative Applications
  • Quantitative Applications
qualitative applications
Qualitative Applications
  • Question:
    • How can clinicians (e.g., athletic trainers) improve the rehabilitation of injured athletes?
qualitative applications8
Qualitative Applications
  • Application:
    • Record baseline, “healthy movement profiles” for possible, post-injury comparison.

Dartfish

sample video

qualitative applications9
Qualitative Applications
  • Example:
    • golf
  • Dartfish
    • non-numerical
    • cues & tools
    • “key positions”
    • easily shared

Dartfish

high school golfer

qualitative applications10
Qualitative Applications
  • Example:
    • squat
    • poor form

Dartfish

UNC Human Performance Lab

qualitative applications11
Qualitative Applications
  • Example:
    • squat
    • good form

Dartfish

UNC Human Performance Lab

qualitative applications12
Qualitative Applications

Dartfish, SimulCam

UNC Human Performance Lab

outline13
Outline
  • Historical Comments
  • Qualitative Applications
  • Quantitative Applications

Peak Motus

quantitative applications
Quantitative Applications
  • Questions:
    • Does flexibility influence motion? Do alterations from stretching influence motion?
quantitative applications15
Quantitative Applications
  • Applications:
    • stretching and dynamic stiffness
    • stretching and locomotion in older adults
    • flexibility and runners
quantitative applications16
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.

quantitative applications17
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.

slide18

Stretching

    • older adults
    • walking kinematics

Joint Angles: Hip (top), Knee, Ankle (bottom)

Peak Motus 9.0

Vicon Motion Systems, Inc.

slide19

Stretching

    • older adults
    • walking kinematics

Angular Velocities: Hip (top), Knee, Ankle (bottom)

Peak Motus 9.0

Vicon Motion Systems, Inc.

slide20

side

view

top

view

Stick Figures: Runner A (top), Runner B (bottom)

Peak Motus 9.0

Vicon Motion Systems, Inc.

slide21

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.

concluding comments
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