Table 2.

Biomechanical profiling of N2, daf-2(e1370), smn-1(ok355), and smn-1(ok355);daf-2(e1370) at two developmental stages

	L2 stage*				Late stage#
BMP output	N2 (n = 22)	daf-2(e1370) (n = 24)	smn-1(ok355) (n = 28)	smn-1(ok355); daf-2(e1370) (n = 25)	N2 (n = 13)	daf-2(e1370) (n = 15)	smn-1(ok355) (n = 20)	smn-1(ok355); daf-2(e1370) (n = 25)
Length (mm)	0.39 ± 0.01	0.43 ± 0.03	0.48 ± 0.07	0.45 ± 0.03	0.63 ± 0.08	0.70 ± 0.03	0.70 ± 0.03	0.61 ± 0.07
Swimming speed (mm/s)	0.16 ± 0.06	0.17 ± 0.04	0.19 ± 0.06	0.19 ± 0.05	0.26 ± 0.07	0.28 ± 0.07	0.16 ± 0.04	0.18 ± 0.04
Beating frequency (Hz)	1.90 ± 0.39	2.20 ± 0.42	2.50 ± 0.52	2.60 ± 0.39	2.30 ± 0.25	2.30 ± 0.46	1.70 ± 0.36	2.30 ± 0.39
Bending force (nN)	0.50 ± 0.21	0.36 ± 0.09	0.50 ± 0.18	0.42 ± 0.19	0.69 ± 0.27	0.66 ± 0.19	0.50 ± 0.18	0.52 ± 0.11
Mechanical power (pW)	0.50 ± 0.24	0.57 ± 0.16	0.88 ± 0.40	0.60 ± 0.30	1.80 ± 0.45	1.70 ± 0.57	0.97 ± 0.39	1.21 ± 0.37

^*Each respective worm is at L2 stage.

^#Late stage: N2 and daf-2(e1370) animals are at L4 stage; smn-1(ok355) and smn-1(ok355);daf-2(e1370) animals are at the day 5 after egg drop (L2 + 3 d).