Concurrent Validity and Reliability of Two Portable Powermeters (Power2Max vs. PowerTap) to Measure Different Types of Efforts in Cycling
Abstract
:1. Introduction
2. Materials and Methods
2.1. Procedures
2.1.1. Cadence Sensor and Powermeters’ Adjustment
2.1.2. Submaximal Tests (1 and 2)
2.1.3. Incremental Maximal Test
2.1.4. Supramaximal Sprint Test
2.2. Statistical Analysis
3. Results
3.1. Concurrent Validity
3.1.1. Submaximal Test (Day 1)
3.1.2. Incremental Maximal Test
3.1.3. Supramaximal Sprint Test
3.2. Test–Retest Reliability
4. Discussion
4.1. Continuous Pedaling (Submaximal and Incremental Maximal Tests)
4.2. Sprint Pedaling (Supramaximal Sprint Test)
4.3. Limitations
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Speed | Cadence | Pedaling | Power (W) | Cadence (rpm) | ||
---|---|---|---|---|---|---|
(km·h−1) | (rpm) | Position | PowerTap | Power2Max | PowerTap | Power2Max |
30 | 60 | Standing | 134.9 ± 9.5 | 135.6 ± 7.9 | 59.5 ± 2.4 | 60.7 ± 2.6 |
Seated | 141.0 ± 6.7 | 141.7 ± 7.2 | 60.5 ± 1.9 | 61.4 ± 2.0 | ||
80 | Standing | 138.2 ± 9.7 | 139.5 ± 11.9 | 75.2 ± 2.5 | 75.5 ± 2.6 | |
Seated | 130.8 ± 8.8 | 130.3 ± 11.4 | 80.5 ± 2.5 | 80.3 ± 4.0 | ||
100 | Standing | 125.4 ± 9.9 | 125.0 ± 7.8 | 95.8 ± 2.6 | 97.1 ± 2.6 | |
Seated | 126.5 ± 9.0 | 126.9 ± 9.9 | 97.6 ± 1.7 | 99.0 ± 1.5 | ||
35 | 60 | Standing | 163.0 ± 10.7 | 164.5 ± 10.1 | 65.2 ± 3.7 | 67.2 ± 3.5 |
Seated | 170.5 ± 9.2 | 173.2 ± 9.2 | 64.6 ± 2.3 | 65.8 ± 2.4 | ||
80 | Standing | 169.5 ± 12.3 | 169.8 ± 10.2 | 76.3 ± 1.5 | 76.9 ± 1.4 | |
Seated | 172.3 ± 9.1 | 174.6 ± 10.1 | 78.5 ± 1.6 | 79.8 ± 1.5 | ||
100 | Standing | 164.2 ± 11.2 | 165.9 ± 11.3 | 95.7 ± 3.7 | 96.3 ± 2.8 | |
Seated | 170.0 ± 13.2 | 171.5 ± 13.1 | 95.8 ± 3.2 | 97.0 ± 2.9 | ||
40 | 60 | Standing | 207.4 ± 12.8 | 209.5 ± 12.0 | 72.1 ± 3.1 | 73.9 ± 3.0 |
Seated | 217.4 ± 20.9 | 218.5 ± 15.1 | 70.9 ± 4.4 | 72.5 ± 3.3 | ||
80 | Standing | 219.7 ± 13.0 | 219.4 ± 13.8 | 77.8 ± 1.3 | 78.5 ± 2.1 | |
Seated | 227.5 ± 13.6 | 228.9 ± 7.4 | 79.5 ± 2.6 | 80.6 ± 2.3 | ||
100 | Standing | 225.4 ± 21.0 | 227.0 ± 19.3 | 94.8 ± 3.4 | 95.4 ± 3.3 | |
Seated | 243.6 ± 15.1 | 246.2 ± 13.3 | 97.7 ± 2.1 | 98.7 ± 2.0 | ||
Overall | 174.8 ± 40.0 | 176.0 ± 40.1 * | 79.9 ± 13.3 | 81.0 ± 13.2 * |
Speed | Cyclists | Power (W) | Cadence (rpm) | ||
---|---|---|---|---|---|
(km·h−1) | (n) | PowerTap | Power2Max | PowerTap | Power2Max |
27 | 10 | 105.3 ± 5.1 | 106.4 ± 4.3 | 85.9 ± 6.8 | 86.8 ± 6.7 |
28 | 10 | 111.3 ± 5.5 | 112.0 ± 6.3 | 88.1 ± 9.0 | 88.7 ± 8.7 |
29 | 10 | 119.5 ± 4.8 | 121.4 ± 4.6 | 88.8 ± 8.1 | 89.7 ± 8.0 |
30 | 10 | 127.8 ± 4.8 | 130.1 ± 4.4 | 88.7 ± 6.9 | 89.8 ± 6.6 |
31 | 10 | 136.5 ± 4.9 | 139.0 ± 4.3 | 89.0 ± 4.9 | 90.3 ± 5.0 |
32 | 10 | 143.9 ± 6.8 | 147.2 ± 4.4 | 90.4 ± 4.7 | 91.4 ± 4.5 |
33 | 10 | 154.9 ± 6.9 | 157.0 ± 6.4 | 90.7 ± 7.0 | 91.4 ± 6.7 |
34 | 10 | 164.2 ± 7.7 | 167.4 ± 5.4 | 88.8 ± 6.7 | 90.1 ± 6.9 |
35 | 10 | 177.3 ± 5.3 | 180.4 ± 5.3 | 90.8 ± 5.4 | 92.2 ± 5.4 |
36 | 10 | 187.8 ± 9.3 | 191.6 ± 7.0 | 92.0 ± 6.8 | 93.1 ± 6.5 |
37 | 10 | 199.8 ± 7.6 | 203.1 ± 7.2 | 93.6 ± 7.2 | 94.5 ± 7.2 |
38 | 10 | 213.8 ± 8.7 | 216.7 ± 9.0 | 95.1 ± 8.6 | 96.0 ± 8.3 |
39 | 10 | 224.7 ± 13.0 | 229.0 ± 10.0 | 95.4 ± 7.7 | 96.7 ± 7.6 |
40 | 10 | 236.9 ± 11.2 | 242.4 ± 9.4 | 94.7 ± 4.5 | 95.9 ± 4.6 |
41 | 10 | 251.1 ± 12.7 | 255.6 ± 10.0 | 95.9 ± 5.0 | 96.6 ± 4.7 |
42 | 10 | 270.2 ± 16.9 | 275.4 ± 13.8 | 96.0 ± 5.1 | 97.1 ± 4.9 |
43 | 10 | 286.5 ± 24.3 | 291.9 ± 21.6 | 96.6 ± 5.8 | 97.8 ± 5.7 |
44 | 10 | 301.7 ± 26.2 | 307.2 ± 24.9 | 97.5 ± 7.9 | 98.5 ± 7.6 |
45 | 9 | 311.7 ± 17.1 | 320.0 ± 9.7 | 99.1 ± 8.3 | 99.9 ± 8.3 |
46 | 6 | 339.9 ± 33.5 | 344.5 ± 26.7 | 99.5 ± 7.4 | 100.0 ± 7.7 |
47 | 4 | 380.1 ± 43.4 | 382.2 ± 38.3 | 98.1 ± 7.2 | 99.0 ± 7.0 |
48 | 1 | 371.9 | 376.8 | 91.4 | 92.8 |
49 | 1 | 385.0 | 390.8 | 92.8 | 94.2 |
Overall | 205.2 ± 75.2 | 208.8 ± 76.2 * | 92.8 ± 7.5 | 93.8 ± 7.4 * |
Gear | Sprint | Power (W) | Cadence (rpm) | |||
---|---|---|---|---|---|---|
Ratio | Number | PowerTap | Power2Max | PowerTap | Power2Max | Garmin GSC10 |
36-19 | 1 | 502.8 ± 86.7 | 415.9 ± 149.6 | 108.8 ± 23.6 | 163.4 ± 37.6 | 184.1 ± 27.2 |
2 | 561.4 ± 103.0 | 630.2 ± 104.0 | 107.6 ± 10.5 | 173.2 ± 40.2 | 195.5 ± 17.4 | |
3 | 541.6 ± 79.6 | 442.8 ± 185.4 | 106.0 ± 16.1 | 153.1 ± 57.8 | 195.1 ± 15.4 | |
36-13 | 1 | 759.8 ± 85.8 | 831.4 ± 199.5 | 118.2 ± 18.6 | 177.6 ± 14.6 | 177.7 ± 4.9 |
2 | 769.6 ± 71.1 | 783.1 ± 88.1 | 116.4 ± 21.7 | 180.0 ± 10.3 | 179.0 ± 4.9 | |
3 | 800.6 ± 54.2 | 824.3 ± 65.4 | 115.7 ± 24.9 | 180.0 ± 5.2 | 179.6 ± 4.2 | |
52-15 | 1 | 882.7 ± 105.7 | 862.9 ± 108.1 | 139.4 ± 12.0 | 151.6 ± 6.5 | 152.9 ± 6.7 |
2 | 917.1 ± 112.9 | 887.7 ± 146.1 | 143.1 ± 20.7 | 152.1 ± 5.4 | 154.3 ± 6.6 | |
3 | 910.9 ± 75.0 | 872.3 ± 84.1 | 141.0 ± 17.7 | 152.7 ± 7.1 | 153.7 ± 5.5 | |
52-12 | 1 | 928.1 ± 115.8 | 872.9 ± 119.8 | 127.0 ± 5.6 | 124.1 ± 4.8 | 125.7 ± 5.8 |
2 | 896.2 ± 107.8 | 836.3 ± 122.0 | 125.0 ± 5.5 | 122.8 ± 5.5 | 123.9 ± 6.0 | |
3 | 937.7 ± 99.7 | 894.8 ± 104.9 | 126.6 ± 6.0 | 126.9 ± 5.0 | 127.3 ± 6.6 | |
Overall | 784.0 ± 179.2 | 762.9 ± 204.9 * | 122.9 ± 20.2 # | 154.8 ± 30.6 # | 162.4 ± 27.7 |
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Iglesias-Pino, J.; Herrero-Molleda, A.; Saavedra-García, M.Á.; García-López, J. Concurrent Validity and Reliability of Two Portable Powermeters (Power2Max vs. PowerTap) to Measure Different Types of Efforts in Cycling. Sensors 2023, 23, 7745. https://doi.org/10.3390/s23187745
Iglesias-Pino J, Herrero-Molleda A, Saavedra-García MÁ, García-López J. Concurrent Validity and Reliability of Two Portable Powermeters (Power2Max vs. PowerTap) to Measure Different Types of Efforts in Cycling. Sensors. 2023; 23(18):7745. https://doi.org/10.3390/s23187745
Chicago/Turabian StyleIglesias-Pino, Javier, Alba Herrero-Molleda, Miguel Ángel Saavedra-García, and Juan García-López. 2023. "Concurrent Validity and Reliability of Two Portable Powermeters (Power2Max vs. PowerTap) to Measure Different Types of Efforts in Cycling" Sensors 23, no. 18: 7745. https://doi.org/10.3390/s23187745