In conclusion, we present a novel approach to understand tendon
poroelasticity with a two-prong modeling approach incorporating
both 3D finite element and analytical shear-lag models. Our
study used the unique microstructure of tendon to accurately predict
interfacial shear stress and fluid flow behavior for full tendon.
Moreover, this model is capable of measuring and predicting the
direction and velocity of fluid flow from the tissue under tensile
loading and gives physical meaning to the experimental determination
of non-linear Poisson’s ratios. This work not only presents
a new microstructural understanding of tendon behavior to the
field, but may also serve as a guide for future models and experimental
approaches in biomaterial design and tissue engineering
for tendon.