6 Why Motion Capture? BioStage - Research Biomechanics Kinesiology Exercise SciencePhysical TherapyPhysical Medicine & RehabilitationHuman Movement ScienceHealth, Physical Education, and RecreationBiomedical Engineering
7 BioStage – Clinical Applications Why Motion Capture?BioStage – Clinical ApplicationsOrthopaedicsCerebral PalsyNeurosciencePhysical and Occupational TherapyRehabilitationPodiatryChiropracticPosturologySports Medicine
8 BioStage – Sports Applications Why Motion Capture?BioStage – Sports ApplicationsGolfBaseball Pitching and ThrowingFitnessBikingTennisSocceret altri
9 Applications and Benefits Clinical Apps and the Academics Why Motion Capture?Applications and BenefitsforClinical Apps and the Academics
10 BioStage – Specific Clinical Use Why Motion Capture?BioStage – Specific Clinical UsePre-and post surgery evaluationsRehabilitative TreatmentLower extremities - Gait AnalysisUpper body AnalysisOrthopaedic Joint ReplacementsPosture AnalysisOrthotics and Prosthesis Development
12 Motion Analysis – General Benefits Why Motion Capture?Motion Analysis – General BenefitsSurgeon optimize their techniquesSurgeon design an optimal surgical planSurgeon determine if and when surgery is necessaryImplant designer improve devicesCoach better quantify improvement / loss of performance during trainingPatient better educated by seeing changesAthlete better quantify improvement by comparing with other athletesClub owner find out if athlete is prone for injuryPT/Rehab doctor better quantify improvement during therapyHealth care system long-term improvement in cost and quality of treatmentStudent Easier access to motion capture technology
13 Benefits for Clinical Apps Why Motion Capture?Benefits for Clinical AppsReduced patient preparation timeEasier on patients with impairmentsEasier for nurses to work with patientsMore natural movement leads to higher data qualityImmediate results and reports available to doctor and patient for reviewTrue and valid data comparison over repeated trialsReduced cost for motion analysis for the patient and the doctorFun 3D immersive visuals encourage patients to exercise more oftenImproved exercise experience, patients are more actively engaged in recovery regime
14 Benefits for the Academics Why Motion Capture?Benefits for the AcademicsMarkerless system allows all students to get hands-on experience with computerized motion analysisStreamlined real-time capture process for fixed class times and research timelinesUser-friendly interfaces ideal for multi-discipline and interdepartmental useA state-of-the-art-solution to attract students, businesses, and professionals to the University
15 Why Motion Capture? Challenges Tracking children Tracking subjects with impairments (cannot stand or walk straight, arms close to the torso, etc.)Tracking of amputeesTracking of subject in wheel chairs, using walker, cane, crutches or other equipmentTracking internal / external rotationWhat validation have you done?What is the accuracy of the data?Do you have any publications?
21 Validation and Accuracy Why Motion Capture?Validation and Accuracy
22 Why Motion Capture? BioStage Model BioStage Model Tracking of 21 SegmentsSegment length directly measured or derived from separate measurementsStatic and dynamic (functional) user calibrationLength ratios based on Drillis and Contini (1966)
23 Joint Degree of Freedom Why Motion Capture?Joint Degree of FreedomBioStage ModelHead/Neck: 3DoFNeck/Upper Chest: 1DoFUpper Chest/Mid Torso: 3DoFMid / Lower Torso: 3DoFHip Joint: 3DoFKnee Joint: 3DoFAnkle Joint: 1DoFShoulder Joint: 3DoFElbow Joint: 1DoFWrist: Locked to lower arm
24 Validation study in Cologne Why Motion Capture?Validation study in CologneEvaluation and Acurracy testsComparison with Vicon systemJan 2010 – Jun 2010Goal: Proof translational accuracy of 5mm and rotational accuracy of 3degProblem: Reference marker-less with marker-basedInstitut fürBiomechanik und OrthopädieGerman Sports Science University in CologneProf. G.P. BrueggemannKai Oberländer
25 Validation Goals Show accuracy Validate vs existing systems provide a fitting system that ensures precise, repeatable, consistent length measurements of human bones/segments.deliver anthropometric measurements through a defined protocol in a totally "non-invasive" method in real-time.evaluate BioStage, its performance, and to assess its accuracy, reliability and suitability for use in research, sports and clinical settings.perform an assessment of errors that affect temporal, kinematic, and kinetic variables when estimated by means of the proposed markerless system compared to the existing markerbased motion capture systems using reflective markers currently used in motion analysis.validate BioStage for biomechanical research, sports and clinical use
39 Important Tradeshows CSM (Combined Section Meeting) ACSM (American College of Sports Med)APTA (American PT Association)ASB (American Society of Biomechanics)ISBS (Internat. Society of Biom.in Sports)GCMAS (Gait and Clinical MovAnal Society)AACPDM (American Academy for Cerebral Palsy and Developmental Medicine )
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