TABLE 1.
Overview of feasibility measures assessed at each of the six experimental locations.
Feasibility measures | Questions | Locations |
Success rate |
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1 | 2 | 3 | 4 | 5 | 6 | ||||
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Implementation | 29/30 | 96.7% | |||||||
Location features | Does the location contain enough space to produce the designed motion capture volume? (min 9 × 7.5 m for this OG experiment) |
Yes | Yes | Yes | Yes | Yes | Yes | 6/6 | 100% |
Does the space have an accessible power source to operate equipment within reach of 20-foot extension cord? | Yes | Yes | Yes | Yes | Yes | Yes | 6/6 | 100% | |
Does the space have a constant, sufficient light source? | Yes | No | Yes | Yes | Yes | Yes | 5/6 | 83.3% | |
System mobility | Could equipment and supplies be packed, transported, and couriered to and from testing sites? | Yes | Yes | Yes | Yes | Yes | Yes | 6/6 | 100% |
Data management | Could recorded data be securely stored? | Yes | Yes | Yes | Yes | Yes | Yes | 6/6 | 100% |
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Practicality | 38/42 | 90.5% | |||||||
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Participant investment | Could the participant complete the experiment without additional travel? | Yes | Yes | Yes | Yes | Yes | Yes | 6/6 | 100% |
Was the average time commitment under 30 min? (This total time includes wait time, IRB consent, electronic questionnaire, and gait experiment) | Yes | Yes | Yes | Yes | No | Yes | 5/6 | 83.3% | |
Were participants tested in the clothes in which they arrived? (With the exception of long skirts.) | Yes | Yes | Yes | Yes | Yes | Yes | 6/6 | 100% | |
Research investment | Could the system be unpacked, set up, calibrated and ready for use within 1 hour of arriving on site? | Yes | Yes | Yes | Yes | Yes | Yes | 6/6 | 100% |
Could the system be mobilized, set up and experiment performed with a minimum of four people? | Yes | Yes | Yes | Yes | No | Yes | 5/6 | 83.3% | |
Was it possible to access and recruit a minimum of 10 participants each time the equipment was set up? | Yes | Yes | Yes | Yes | Yes | No | 5/6 | 83.3% | |
Could the 3D kinematic data be quickly extracted and efficiently processed? | Yes | No | Yes | Yes | Yes | Yes | 5/6 | 83.3% | |
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Expansion | 24/24 | 100% | |||||||
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3D Kinematics | Did the MLMC system produce a full-body 3D kinematic model outside a controlled laboratory setting? (min 3 consecutive gait cycles of full body kinematics for each pass through the capture volume) |
Yes | Yes | Yes | Yes | Yes | Yes | 6/6 | 100% |
Did the MLMC system produce a full-body 3D kinematic model in the presence of background activity? | Yes | Yes | Yes | Yes | Yes | Yes | 6/6 | 100% | |
Diverse population | Did location provide access to a sample population representative of the surrounding metropolitan area? | Yes | Yes | Yes | Yes | Yes | Yes | 6/6 | 100% |
Did the MLMC system produce a full-body 3D kinematic model for participants using assistive device (walker, cane)? | Yes | Yes | Yes | Yes | Yes | Yes | 6/6 | 100% |