Table A1.

Subjective ratings descriptive statistics (mean and standard deviation) for subjects that used the treadmill (top rows) and bike (bottom rows) during the experiment.

		No PW		Medium PW		High PW
		Low MW	High MW	Low MW	High MW	Low MW	High MW
Treadmill
NASA-TLX	Mental demand	8.41 ± 5.66	11.27 ± 6.63	10.36 ± 5.09	13.41 ± 5.92	11.23 ± 5.07	15.50 ± 3.56
	Physical demand	4.32 ± 5.05	5.36 ± 5.66	8.23 ± 4.89	9.00 ± 5.12	14.59 ± 4.75	15.41 ± 4.54
	Temporal demand	7.23 ± 6.05	10.27 ± 6.91	8.41 ± 4.59	11.68 ± 5.91	11.41 ± 5.48	15.05 ± 4.34
	Performance	16.36 ± 4.10	12.27 ± 4.12	14.95 ± 4.13	11.05 ± 3.90	15.14 ± 4.11	12.14 ± 4.28
	Effort	8.86 ± 5.76	11.68 ± 5.56	11.45 ± 4.64	13.64 ± 5.19	13.91 ± 4.51	16.36 ± 3.55
	Frustration	6.64 ± 6.64	8.64 ± 6.77	6.59 ± 5.75	10.32 ± 7.17	7.86 ± 6.56	10.18 ± 6.73
Borg Scale	Before break	8.05 ± 2.77	13.59 ± 2.77	10.09 ± 3.04	11.36 ± 2.98	8.86 ± 3.21	14.77 ± 2.16
	After break	8.95 ± 3.20	12.64 ± 2.85	9.27 ± 2.37	10.00 ± 2.62	8.64 ± 3.33	12.95 ± 3.11
Bike
NASA-TLX	Mental demand	6.40 ± 3.44	10.12 ± 4.00	9.00 ± 4.71	11.36 ± 4.70	9.24 ± 4.99	12.60 ± 4.56
	Physical demand	3.04 ± 2.59	3.44 ± 3.22	7.96 ± 3.79	8.84 ± 4.79	11.00 ± 5.40	12.92 ± 4.81
	Temporal demand	5.44 ± 3.48	9.20 ± 4.02	8.20 ± 4.53	11.20 ± 5.37	9.56 ± 4.84	12.80 ± 4.86
	Performance	17.20 ± 4.01	12.60 ± 4.43	15.20 ± 4.07	12.72 ± 4.43	15.08 ± 4.56	12.88 ± 4.56
	Effort	6.48 ± 4.11	11.20 ± 4.05	10.48 ± 4.48	12.52 ± 5.12	11.12 ± 5.37	13.40 ± 4.44
	Frustration	4.28 ± 3.25	6.88 ± 5.09	6.00 ± 4.12	9.12 ± 6.02	8.60 ± 5.39	8.56 ± 4.71
Borg Scale	Before break	7.20 ± 1.58	12.40 ± 2.69	10.36 ± 2.02	11.24 ± 2.73	8.56 ± 2.53	12.92 ± 2.66
	After break	6.96 ± 1.24	11.16 ± 2.58	8.92 ± 2.10	10.20 ± 2.71	8.00 ± 2.18	11.32 ± 2.58