The question is whether or not rearfoot eversion is relevent to rearfoot dynamic "function".
Rearfoot dynamic function or the heel bisection position, in this study may just be an indicator of skin movement over the posterior heel.
What protocol was used to bisect the heel and did they think about skin movement?
And indeed what is heel eversion predictive of? Had this conversation with a few colleagues recently. What does the fpi tell you which will change treatment?
Foot posture is associated with kinematics of the foot during gait: A comparison of normal, planus and cavus feet
Andrew K. Buldt, Pazit Levinger, George S. Murley, Hylton B. Menz, Christopher J. Nester, Karl B. Landorf Gait and Posture; Article in Press
Comparing Static and Dynamic Arch Height During Running Using the Oxford Foot Model
Mark T. Olsen, David B. Griffin, Kara E. Seabrook, A. Wayne Johnson, Sarah T. Ridge.
Presented at the ACSM Meeting; San Diego May 2015
Predicting Dynamic Foot Function From Static Foot Posture: Comparison Between Visual Assessment, Motion Analysis and a Commercially Available Depth Camera
Kade Paterson, PhD, Ross Clark, PhD, Alexandra Mullins, BExSci(Hons), Adam Bryant, PhD, Benjamin Mentiplay, BExSci(Hons) J Orthop Sports Phys Ther, Epub 24 Aug 2015
Correlation between foot posture and running kinematics: a pilot study
Óscar Hernández-Gervilla, Carles Escalona-Marfil, Francisco Corbi Apunts Med Esport. 2016;51:115-22
Relationships between the Foot Posture Index and Static as well as Dynamic Rear Foot and Arch Variables
Anja-VerenaBehling BennoNigg Journal of Biomechanics;
23 October 2019
Foot Over Pronation Problem among Undergraduate Students: A Preliminary Study
(Masalah Lebihan Pergerakan Pronat Kaki dalam kalangan Pelajar Prasiswazah: Suatu Kajian Awal)
NUR SAIBAH GHANI, NASRUL ANUAR ABD RAZAK*, JULIANA USMAN & H. GHOLIZADEH Sains Malaysiana 49(7)(2020): 1651-1662
Determination of relationship between foot arch, hindfoot, and hallux motion using Oxford foot model: Comparison between walking and running
Hitomi Shono et al Gait Posture. 2021 Nov 11;92:96-102
Effects of Rearfoot Eversion on Foot Plantar Pressure and Spatiotemporal Gait Parameters in Adolescent Athletes
Hironori Fujishita
et al Healthcare (Basel) . 2023 Jun 25;11(13):1842