Key resources table.

Resource	Designation	Source or reference	Identifiers	Additional information
Strain (C. elegans)	N2	Caenorhabditis Genetics Centre	RRID:WB-STRAIN:N2	Laboratory reference strain.
Strain (C. elegans)	DA609	Caenorhabditis Genetics Centre	RRID:WB-STRAIN:DA609	Genotype: npr-1(ad609)X.
Strain (C. elegans)	OMG2	this paper		Genotype: mIs12[myo-2p::GFP]II; npr-1(ad609)X. Originated from CB5584 and DA609.
Strain (C. elegans)	OMG10	this paper		Genotype: mIs12[myo-2p::GFP]II. Originated from CB5584; outcrossed 6x to CGC N2.
Strain (C. elegans)	OMG19	this paper		Genotype: rmIs349[myo3p::RFP]; npr-1(ad609)X. Originated from AM1065 and DA609.
Strain (C. elegans)	OMG24	this paper		Genotype: rmIs349[myo3p::RFP]. Originated from AM1065; outcrossed 6x to CGC N2.
Strain (C. elegans)	DR476	Caenorhabditis Genetics Centre	RRID:WB-STRAIN:DR476	Genotype: daf-22(m130)II.
Strain (C. elegans)	AX994	Mario de Bono (MRC Laboratory of Molecular Biology)		Genotype: daf-22(m130)II; npr-1(ad609)X.
Software	Tierpsy Tracker (v 1.3)	Javer et al., 2018		Software available at ver228. github.io/tierpsy-tracker.
Software	wormTrackingAnalysis	this paper		Software available at github.com/ljschumacher/wormTrackingAnalysis.
Software	sworm-model	this paper		Software available at github.com/ljschumacher/sworm-model.