Table 1. Repeated measures correlation of all facial actions with FS and RPE.

Facial Action	FS	RPE
mouth open	-0.55*	0.70*
jaw drop	-0.40*	0.51*
nose wrinkle	-0.34*	0.29*
lip pucker	-0.32*	0.32*
upper lip raise	-0.31*	0.27*
lid tighten	-0.30*	0.26*
eye closure	-0.29*	0.30*
smile	-0.26*	0.25*
lip stretch	-0.21*	0.18*
cheek raise	-0.19*	0.21*
lip press	-0.19*	0.15*
dimpler	-0.17*	0.13*
brow furrow	-0.14*	0.17*
eye widen	0.14*	-0.27*
lip corner depressor	-0.13*	0.13*
lip suck	-0.10*	0.01
inner brow raise	-0.10*	0.07
brow raise	-0.07	0.16*
chin raise	-0.07	0.03
smirk	-0.07	-0.06

FS, Feeling Scale; RPE, Rating of perceived exertion

*p < .001