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Table 1 Description of the different test trials

From: Strain evaluation of axially loaded collateral ligaments: a comparison of digital image correlation and strain gauges

Trial 1

Trial 2

• Preload: 2 N

• Cyclically loaded (displacement control)

• Strain measurement: REF, 3D-DIC

• Preload: 2 N

• Cyclically loaded (displacement control)

• Strain measurement: REF, 3D-DIC, SG