Table 1.

Physical characteristics and measurements of the volunteers

No.	Gender	Age	Height (cm)	Weight (kg)	Pulse frequency (times/min)	Pulse frequency
					magnetic induction	(times/min) piezoelectric
1	Male	24	171	68	66	65
2	Male	24	185	75	81	81
3	Male	22	165	67	66	67
4	Male	25	168	63	61	61
5	Male	24	165	60	71	71
6	Male	22	160	55	85	84
7	Female	23	165	57	80	80
8	Female	22	158	49	78	77
9	Female	24	170	60	82	82
10	Female	21	161	50	70	69
11	Female	22	162	51	72	72
12	Female	22	165	60	78	78
13	Female	23	160	52	75	75
14	Male	21	165	65	70	69
15	Male	24	168	64	66	66
16	Male	22	170	70	61	62
17	Male	24	172	72	67	67
18	Male	24	175	72	65	65
19	Male	24	174	73	64	64
20	Male	22	165	58	62	61
21	Male	23	168	60	65	65
22	Male	23	182	74	68	68
23	Female	25	162	50	75	75
24	Female	21	163	51	83	82
25	Female	23	160	53	78	78
26	Female	22	158	48	80	80
27	Female	23	166	53	82	82
28	Female	24	164	52	76	76
29	Female	22	160	50	74	74
30	Female	23	166	55	78	78