Maisa Niemelä
Maisa Niemelä
Research Unit of Medical Imaging, Physics and Technology, University of Oulu
Verified email at
Cited by
Cited by
Calibration and validation of accelerometer-based activity monitors: A systematic review of machine-learning approaches
V Farrahi, M Niemelä, M Kangas, R Korpelainen, T Jämsä
Gait & Posture 68, 285-299, 2019
Fitness, fatness, physical activity, and autonomic function in midlife.
AM Kiviniemi, N Perkiömäki, J Auvinen, M Niemelä, T Tammelin, ...
Medicine and science in sports and exercise 49 (12), 2459-2468, 2017
Dose-response relation of self-reported and accelerometer-measured physical activity to perceived health in middle age—the Northern Finland Birth Cohort 1966 Study
MS Niemelä, M Kangas, RJ Ahola, JP Auvinen, AM Leinonen, ...
BMC Public Health 19 (1), 1-9, 2019
Chronotypes and objectively measured physical activity and sedentary time at midlife
L Nauha, H Jurvelin, L Ala‐Mursula, M Niemelä, T Jämsä, M Kangas, ...
Scandinavian journal of medicine & science in sports 30 (10), 1930-1938, 2020
Intensity and temporal patterns of physical activity and cardiovascular disease risk in midlife
M Niemelä, M Kangas, V Farrahi, A Kiviniemi, AM Leinonen, R Ahola, ...
Preventive medicine 124, 33-41, 2019
Machine-learning models for activity class prediction: A comparative study of feature selection and classification algorithms
J Chong, P Tjurin, M Niemelä, T Jämsä, V Farrahi
Gait & Posture 89, 45-53, 2021
Residential relocation trajectories and neighborhood density, mixed land use and access networks as predictors of walking and bicycling in the Northern Finland Birth Cohort 1966
M Kärmeniemi, T Lankila, T Ikäheimo, S Puhakka, M Niemelä, T Jämsä, ...
International journal of behavioral nutrition and physical activity 16 (1), 1-12, 2019
Evaluating and enhancing the generalization performance of machine learning models for physical activity intensity prediction from raw acceleration data
V Farrahi, M Niemelä, P Tjurin, M Kangas, R Korpelainen, T Jämsä
IEEE journal of biomedical and health informatics 24 (1), 27-38, 2019
Compositional associations of sleep and activities within the 24-H cycle with Cardiometabolic health markers in adults
V Farrahi, M Kangas, R Walmsley, M Niemelä, A Kiviniemi, K Puukka, ...
Medicine and Science in Sports and Exercise 53 (2), 324, 2021
Objectively measured physical activity is associated with vertebral size in midlife
M Modarress-Sadeghi, P Oura, JA Junno, M Niemelä, J Niinimäki, ...
Med Sci Sports Exerc 51 (8), 1606-1612, 2019
Polygenic risk scores and physical activity
UM Kujala, T Palviainen, P Pesonen, K Waller, E Sillanpää, M Niemelä, ...
Medicine and science in sports and exercise 52 (7), 1518, 2020
Prolonged bouts of sedentary time and cardiac autonomic function in midlife
M Niemelä, A Kiviniemi, M Kangas, V Farrahi, AM Leinonen, R Ahola, ...
Translational Sports Medicine 2 (6), 341-350, 2019
Correlates of physical activity behavior in adults: a data mining approach
V Farrahi, M Niemelä, M Kärmeniemi, S Puhakka, M Kangas, ...
International Journal of Behavioral Nutrition and Physical Activity 17 (1), 1-14, 2020
Classification of physical activities and sedentary behavior using raw data of 3D hip acceleration
P Tjurin, M Niemelä, M Huusko, R Ahola, M Kangas, T Jämsä
EMBEC & NBC 2017, 872-875, 2017
Accelerometry-based characteristics of overall sedentary behavior and sitting in middle-aged adults
P Tjurin, M Niemelä, M Kangas, H Vähä-Ypyä, H Sievänen, T Jämsä, ...
Measurement in Physical Education and Exercise Science 23 (3), 249-257, 2019
Physical activity profiles and glucose metabolism—A population‐based cross‐sectional study in older adults
M Länsitie, M Niemelä, M Kangas, M Venojärvi, P Härkönen, ...
Translational Sports Medicine 4 (4), 439-446, 2021
Satellite Imaging-Based Residential Greenness and Accelerometry Measured Physical Activity at Midlife—Population-Based Northern Finland Birth Cohort 1966 Study
S Puhakka, T Lankila, R Pyky, M Kärmeniemi, M Niemelä, K Kangas, ...
International Journal of Environmental Research and Public Health 17 (24), 9202, 2020
Associations of fitness and physical activity with orthostatic responses of heart rate and blood pressure at midlife
P Oksanen, MP Tulppo, J Auvinen, M Niemelä, T Jämsä, K Puukka, ...
Scandinavian journal of medicine & science in sports 29 (6), 874-885, 2019
Infant motor development and physical activity and sedentary time at midlife
AK Karppanen, T Hurtig, J Miettunen, M Niemelä, T Tammelin, ...
Scandinavian Journal of Medicine & Science in Sports 31 (7), 1450-1460, 2021
Association between device-measured physical activity and lumbar Modic changes
MM Julin, J Saukkonen, P Oura, M Niemelä, JA Junno, J Määttä, ...
BMC Musculoskeletal Disorders 21 (1), 1-7, 2020
The system can't perform the operation now. Try again later.
Articles 1–20