P. O. I. VIRTANEN

Daily Exercise Prescription on the Basis of HR Variability among Men and Women

Antti M. Kiviniemi, Arto J. Hautala, Hannu Kinnunen et al. · Medicine & Science in Sports & Exercise · 2010 · 176 citations

Education, Physiology, Exercise Physiology +16

Effect of wrist-worn activity monitor feedback on physical activity behavior: A randomized controlled trial in Finnish young men

Anna-Maiju Jauho, Riitta Pyky, Riikka Ahola et al. · Preventive Medicine Reports · 2015 · 90 citations · Full text

Education, Preventive Medicine, Exercise Physiology +15

Effect of concentric exercise on serum muscle and collagen markers

P. O. I. VIRTANEN, Jukka T. Viitasalo, J. Vuori et al. · Journal of Applied Physiology · 1993 · 64 citations

Life Sciences, Biochemistry, Physiology +16

Cation-anion combination reactions. IX. Remarkable correlation of nucleophilic reactions with cations

Calvin D. Ritchie, P. O. I. VIRTANEN · Journal of the American Chemical Society · 1972 · 61 citations

Natural Sciences, Chemistry, Analytical Chemistry +8

Synthesis and degradation of type IV collagen in rat skeletal muscle during immobilization in shortened and lengthened positions

Anne Ahtikoski, S. O.A. Koskinen, P. O. I. VIRTANEN et al. · Acta Physiologica Scandinavica · 2003 · 58 citations · Full text

Life Sciences, Molecular Biology, Physiology +17