A tactile pressure sensing system was used to measure the force applied to dorsiflex the first toe by the testers.
Marabelle L. Heng, Yaohui K. Chua, Hong K. Pek, Priathashini Krishnasamy, Pui W. Kong 2016, 'A novel method of measuring passive quasi-stiffness in the first metatarsophalangealjoint', Journal of Foot and Ankle Researchhttp://link.springer.com/article/10.1186/s13047-016-0173-2. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)