| Effects of HRV-guided vs. predetermined block training on performance, HRV and serum hormones OP Nuuttila, A Nikander, D Polomoshnov, JA Laukkanen, K Häkkinen International journal of sports medicine 38 (12), 909-920, 2017 | 89 | 2017 |
| Validity of the wrist-worn polar vantage V2 to measure heart rate and heart rate variability at rest OP Nuuttila, E Korhonen, J Laukkanen, H Kyröläinen Sensors 22 (1), 137, 2021 | 37 | 2021 |
| Reliability and sensitivity of nocturnal heart rate and heart-rate variability in monitoring individual responses to training load OP Nuuttila, S Seipäjärvi, H Kyröläinen, A Nummela International journal of sports physiology and performance 17 (8), 1296-1303, 2022 | 21 | 2022 |
| Individualized Endurance Training Based on Recovery and Training Status in Recreational Runners OP Nuuttila, A Nummela, E Korhonen, K Häkkinen, H Kyröläinen Medicine and Science in Sports and Exercise, 2022 | 21 | 2022 |
| Monitoring training and recovery during a period of increased intensity or volume in recreational endurance athletes OP Nuuttila, A Nummela, K Häkkinen, S Seipäjärvi, H Kyröläinen International Journal of Environmental Research and Public Health 18 (5), 2401, 2021 | 21 | 2021 |
| Acute physiological responses to four running sessions performed at different intensity zones OP Nuuttila, H Kyröläinen, K Häkkinen, A Nummela International Journal of Sports Medicine 42 (06), 513-522, 2021 | 15 | 2021 |
| A New Fitness Test of Estimating VO2max in Well-Trained Rowing Athletes WD Gao, OP Nuuttila, HB Fang, Q Chen, X Chen Frontiers in Physiology 12, 701541, 2021 | 14 | 2021 |
| Physiological, Perceptual, and Performance Responses to the 2-wk Block of High-versus Low-Intensity Endurance Training OP Nuuttila, A Nummela, H Kyröläinen, J Laukkanen, K Häkkinen Medicine and science in sports and exercise, 2022 | 12 | 2022 |
| Predicting Running Performance and Adaptations from Intervals at Maximal Sustainable Effort OP Nuuttila, P Matomäki, H Kyröläinen, A Nummela International Journal of Sports Medicine 44 (09), 657-663, 2023 | 4 | 2023 |
| Olympiasoudun lajianalyysi ja valmennuksen ohjelmointi OP Nuuttila, J Hautala | 4 | 2017 |
| Monitoring fatigue state with heart rate‐based and subjective methods during intensified training in recreational runners OP Nuuttila, A Uusitalo, VP Kokkonen, N Weerarathna, H Kyröläinen European Journal of Sport Science, 2024 | 3 | 2024 |
| Monitoring recovery and training responses from different types of endurance exercises and training protocols in recreational runners: implications for individual training … OP Nuuttila JYU dissertations, 2022 | 2 | 2022 |
| Sykeväliin syventyminen voi tukea kestävyysharjoittelua OP Nuuttila Liikunta ja tiede 59 (2), 2022 | 2 | 2022 |
| How to equalize high-and low-intensity endurance exercise dose P Matomäki, OP Nuuttila, OJ Heinonen, H Kyröläinen, A Nummela International Journal of Sports Physiology and Performance 1 (aop), 1-9, 2024 | 1 | 2024 |
| Ennalta määrätyn ja sykeohjatun blokkiharjoittelun vertailu: kahdeksan viikon intensiivisen harjoitusjakson vaikutukset kestävyyssuorituskykyyn OP Nuuttila | 1 | 2016 |
| Morning versus Nocturnal Heart Rate and Heart Rate Variability Responses to Intensified Training in Recreational Runners OP Nuuttila, H Kyröläinen, VP Kokkonen, A Uusitalo Sports Medicine-Open 10 (1), 120, 2024 | | 2024 |
| Durability in recreational runners: effects of 90-min low-intensity exercise on the running speed at the lactate threshold OP Nuuttila, V Laatikainen-Raussi, K Vohlakari, I Laatikainen-Raussi, ... European Journal of Applied Physiology, 1-9, 2024 | | 2024 |
| Self-Paced Field Running Test in Monitoring Fatigue and Training Adaptations in Recreational Runners OP Nuuttila, A Uusitalo, VP Kokkonen, H Kyröläinen International journal of sports physiology and performance 1 (aop), 1-8, 2024 | | 2024 |
| Validity Of The Polar Running Performance Test To Estimate Maximum Aerobic Running Speed: 2503 OP Nuuttila, J Peltonen, H Kyröläinen Medicine & Science in Sports & Exercise 54 (9S), 477-478, 2022 | | 2022 |
| Reliability and sensitivity of nocturnal heart rat... OP Nuuttila ijspp 2022, 0145, 2022 | | 2022 |
