Table 2 Mean and standard deviation in each intensity level.
From: Validity of Hera Leto consumer earbuds for heart rate monitoring during stationary cycling
Type | Stage (N of paired observations) | Polar H10 | Polar Verity Sense | Polar Vantage V | Hera Leto |
|---|---|---|---|---|---|
45%VO2max | ON (24) | 120 ± 12 | 119 ± 12 | 119 ± 12 | 119 ± 12 |
OFF (23) | 103 ± 11 | 104 ± 11 | 104 ± 11 | 103 ± 11 | |
55%VO2max | ON (15) | 135 ± 13 | 134 ± 15 | 134 ± 14 | 134 ± 14 |
OFF (18) | 111 ± 14 | 112 ± 14 | 112 ± 14 | 111 ± 14 | |
65%VO2max | ON (19) | 142 ± 15 | 141 ± 16 | 141 ± 16 | 141 ± 16 |
OFF (22) | 112 ± 12 | 113 ± 13 | 113 ± 13 | 112 ± 13 | |
75%VO2max | ON (19) | 149 ± 14 | 149 ± 14 | 150 ± 12 | 149 ± 13 |
OFF (19) | 113 ± 15 | 113 ± 16 | 113 ± 16 | 112 ± 15 | |
VT2 | ON (15) | 165 ± 19 | 155 ± 28 | 157 ± 25 | 162 ± 20 |
OFF (19) | 124 ± 16 | 125 ± 17 | 125 ± 17 | 124 ± 17 | |
100%VO2max | ON (17) | 157 ± 23 | 127 ± 32 | 135 ± 28 | 150 ± 25 |
OFF (21) | 125 ± 19 | 125 ± 19 | 125 ± 19 | 125 ± 19 | |
110%VO2max | ON (22) | 153 ± 22 | 118 ± 24 | 129 ± 23 | 148 ± 23 |
OFF (25) | 123 ± 18 | 121 ± 16 | 123 ± 17 | 122 ± 18 | |
130%VO2max | ON (26) | 150 ± 22 | 109 ± 20 | 122 ± 25 | 140 ± 25 |
OFF (25) | 121 ± 17 | 119 ± 15 | 121 ± 17 | 120 ± 17 | |
150%VO2 max | ON (20) | 146 ± 23 | 105 ± 15 | 114 ± 15 | 133 ± 23 |
OFF (24) | 115 ± 21 | 116 ± 16 | 119 ± 18 | 118 ± 19 | |
170%VO2max | ON (19) | 148 ± 23 | 107 ± 12 | 119 ± 19 | 132 ± 23 |
OFF (24) | 119 ± 17 | 116 ± 15 | 118 ± 16 | 119 ± 17 | |
HIIT10/10 | ON (14) | 142 ± 15 | 139 ± 18 | 138 ± 17 | 138 ± 19 |
OFF (15) | 97 ± 19 | 98 ± 21 | 97 ± 20 | 96 ± 20 | |
HIIT20/10 | ON (20) | 152 ± 18 | 145 ± 23 | 148 ± 21 | 149 ± 21 |
OFF (19) | 103 ± 19 | 103 ± 20 | 103 ± 20 | 102 ± 20 | |
HIIT30/10 | ON (19) | 153 ± 18 | 144 ± 27 | 148 ± 22 | 149 ± 22 |
OFF (20) | 104 ± 20 | 104 ± 21 | 104 ± 21 | 103 ± 21 |