Rib kinematics & intercostal muscle strain during breathing in Iguana iguana
E.L. Brainerd, D.A. Ritter, M.M. Dawson, and A. Sullivan
xromm.org/projects/iguana-breathing

XROMM animation of sternal ribs 1 and 2 with attachment points of the external intercostal (EI) muscle fascicles mapped onto the bones. The change in length of one of the EI fascicles over time is shown. In this intercostal space, the EI lengthens during exhalation and shortens during inhalation.

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