Clinical trial NCT05370534: Smartphone-Based Markerless Motion Capture for Orthopaedic Clinical Use
Official title: Smartphone-Based Markerless Motion Capture for Orthopaedic Clinical Use
Study type: OBSERVATIONAL
Overall status: WITHDRAWN
Conditions: Musculoskeletal Diseases or Conditions
Keywords: Motion Capture
MCA
Markers
Markerless
biomechanics
Lead sponsor: University of Arkansas
Sponsor class: OTHER
Collaborators: name: National Institutes of Health (NIH)
First posted: 2022-05-11
Enrollment: 0
Sex: ALL
Minimum age (years): 18
Maximum age (years): 65
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: yes
Observational model: COHORT
Time perspective: PROSPECTIVE
Sampling method: NON_PROBABILITY_SAMPLE
Study population: Study participants will be males and females between the ages of 18 years old to 65 years old that are healthy and without any active injuries limiting full participation, in particular no known spinal pathology, history of lower extremity surgery or significant cardiac history. There are no restrictions based on gender, race, or ethnicity.

Brief summary: The investigators propose to create a markerless smartphone-based MCA application using AR to measure joint motion and gait patterns to address this technology gap for a simple and inexpensive MCA.

Detailed description: Aim 1 will establish a testable AR-based smartphone app that measures clinically relevant lower-extremity motion components. Existing AR code will be adapted to identify and quantify hip, knee, and ankle range of motion in both the coronal and sagittal planes. Output will be produced directly to the phone display and can also be downloadable. Both single-motion and sequential-motion (gait) measures will be captured.

Aim 2 will then compare the app-based MCA to traditional gold standard MCA in healthy volunteers. A dedicated human biomechanics lab with capability for MCA with reflective markers will be utilized to test both MCA methods. Patients will perform a box jump and normal walking gait, and the measurements from both the standard marker-based MCA system and the smartphone markerless MCA system will be statistically compared.

Eligibility criteria: Inclusion Criteria

* 18-65 years old
* No known spinal pathology
* No previous lower extremity surgery
* No significant cardiac history

Exclusion Criteria

* \<18 or \>65 years old
* Known spinal pathology
* Previous lower extremity surgery
* Significant cardiac history

Primary outcomes:
measure: Hip, Knee and Spine Measurements
timeFrame: 1 hour
Secondary outcomes:
Other outcomes:
Locations:
city: Little Rock
country: United States
facility: University of Arkansas for Medical Sciences
state: Arkansas
Study officials:
affiliation: University of Arkansas
name: David B Bumpass, MD
role: PRINCIPAL_INVESTIGATOR
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