Table 3 Mechanical advantage of the jaw adductor musculature of Euoplocephalus tutus and Panoplosaurus mirus.

From: Divergent strategies in cranial biomechanics and feeding ecology of the ankylosaurian dinosaurs

 

Euoplocephalus tutus AMNH 5405

Panoplosaurus mirus ROM 1215

Muscle

MA(Muz)

MA(Ante)

MA(Post)

MA (Muz)

MA (Ante)

MA (Post)

mAMEP

0.20

0.27

0.55

0.29

0.42

0.69

mAMEM

0.16

0.21

0.42

0.21

0.28

0.46

mAMES

0.18

0.24

0.47

0.19

0.25

0.42

mPTd

0.02

0.03

0.05

0.03

0.04

0.06

mPTv

0.05

0.07

0.14

0.05

0.07

0.12

mAMP

0.12

0.16

0.31

0.14

0.19

0.30

mPSTs

0.19

0.25

0.50

0.21

0.28

0.46

  1. MA(Muz), mechanical advantage calculated with the out-lever from the muzzle biting scenario. MA(Ante), mechanical advantage calculated with the out-lever from the anterior tooth biting scenario. MA(Post), mechanical advantage calculated with the out-lever from the posterior tooth biting scenario.
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