Spagna, J.C., A.I. Vakis, C. Schmidt, S.N. Patek, N. Tsutsui, X. Zhang, and A.V. Suarez. 2008. Phylogeny, scaling, and the generation of extreme forces in trap-jaw ants. Journal of Experimental Biology.

Supplemental Item S1 PowerPoint Instructions for Matlab Modules

Supplemental Item S2 Matlab Module 1- tracking module

Supplemental Item S3 Matlab Module 2 - calculating speed & acceleration from tracked data

Supplemental Item S4 Text and Figures summarizing filtering findings.