Table 1.

Summary of magnetic activation experiments on cane toad sciatic–gastrocnemius nerve–muscle preparations

						Proportion of	Number of
			Nerve vertical	Muscle vertical		nerve–muscle	nerve–muscle
Expt	Experiment	Align‐ment	separation from	separation from	Lowest activation	preparations	preparations	Likely	Figure or
No.	description	with device axis	device (mm)	device (mm)	frequency (Hz)	activated	tested (n)	activation site	videoa
1	Nerve spanning centre, muscle low	Perpendicular	0.7	0.7	260	0.5	2	Uncertain, either in muscle over y ≤ −20 mm or in nerve spanning 10 mm ≤ y ≤ 25 mm	4A, 4B
2	Nerve spanning centre, muscle high	Perpendicular	0.7	≥8	240	0.5	2	Nerve, either at ligated end or where rising over y ≤ −25 mm or where straight over −25 mm ≤ y ≤ −10 mm
3	Nerve ligated end at centre, muscle high	Perpendicular	0.7	≥8	320	1	1	Nerve, either at ligated end or where rising over y ≤ −29 mm or where straight over −25 mm ≤ y ≤ −10 mm
4	Nerve spanning centre, muscle low	Parallel	0.7	0.7	None	0	2	None
5	Nerve spanning centre, muscle high	Parallel	0.7	≥8	790	0.33	3	Nerve, either at ligated end or where rising over z ≤ −10 mm or at centre z = 0	4C
6	Nerve ligated end at centre, muscle high	Parallel	0.7	≥8	770	1	1	Nerve, either near centre z = 0 or where rising from z ≤ −32 mm
7	Nerve spanning centre, muscle high	45 deg to axis	0.7	8	440	1	1	Nerve
8	Muscle at centre	Parallel	6	0.7	180	1	2	Muscle	4D, S1
9	Muscle at centre, bath raised	Parallel	≥4.8	4.8	590	1	1	Muscle	S2
10	Muscle at centre	Perpendicular	6	0.7	480	1	2	Muscle
11	Muscle at centre as in Expt 6, d‐tubocurarine blocking nerve‐evoked activation	Parallel	9	0.7	460	1	1	Muscle
12	Nerve wrapped one half‐turn around 2.9 mm diameter pillar at device centre	Perpendicular	1.5	8	230	1	1	Nerve bend	4E, S3
13	Nerve wrapped one half‐turn around 2.9 mm diameter pillar at device centre	Parallel	1.5	≥8	480	1	3	Nerve bend
14	Nerve wrapped one half‐turn around 2.9 mm diameter pillar at z = 18 mm	Parallel	0.7	11	250 (though slight twitching at 190)	0.67	3 (includes 1 in Expt 19)	Nerve bend
15	Nerve wrapped one half‐turn around 5.0 mm diameter pillar at z = 18 mm	Parallel	0.7–2	11	360	1	1	Nerve bend
16	Nerve wrapped one half‐turn around 8.5 mm diameter pillar at z = 18 mm.	Parallel	2	11	350	1	2	Nerve bend
17	Nerve electrically activated at ligated end; nerve spanning centre, muscle raised	Parallel	≥1	≥5.4	Electrical activation not blocked to 940 Hz	0	2	None
18	Nerve electrically activated at ligated end; nerve spanning centre, muscle raised	Perpendicular	≥1	5.4	Electrical activation not blocked to 930 Hz	0	1	None
19	Nerve electrically activated at ligated end; nerve wrapped one half‐turn around 2.9 mm diameter pillar at z = 18 mm	Parallel	1.5	5.4	730, with electrical activation not blocked	1	1	Nerve bend	4F

^aVideos (S1–S3) can be found in the online Supporting information.