Specification: Area of device-user interface supporting the user must be greater than 106.4 cm2
Methods: Measured and calculated effective surface area of the Ergo-Crutch
Acceptance Criteria: Effective surface area of Ergo-Crutch is greater than 106.4 cm2
Results: Effective surface area of one Ergo-Crutch (axillary support + handle) was 170.5 cm2
Outcome: Pass