Juha P Ahtiainen

Summary

Country: Finland

Publications

  1. ncbi request reprint Muscle hypertrophy, hormonal adaptations and strength development during strength training in strength-trained and untrained men
    Juha P Ahtiainen
    Neuromuscular Research Center and Department of Biology of Physical Activity, University of Jyvaskyla, P O Box 35, 40014 Jyvaskyla, Finland
    Eur J Appl Physiol 89:555-63. 2003
  2. ncbi request reprint Acute hormonal and neuromuscular responses and recovery to forced vs maximum repetitions multiple resistance exercises
    J P Ahtiainen
    Department of Biology of Physical Activity, University of Jyvaskyla, Jyvaskyla, Finland
    Int J Sports Med 24:410-8. 2003
  3. ncbi request reprint Short vs. long rest period between the sets in hypertrophic resistance training: influence on muscle strength, size, and hormonal adaptations in trained men
    Juha P Ahtiainen
    Department of Biology of Physical Activity and Neuromuscular Research Center, University of Jyvaskyla, Jyvaskyla, Finland
    J Strength Cond Res 19:572-82. 2005
  4. doi request reprint Variable resistance training promotes greater fatigue resistance but not hypertrophy versus constant resistance training
    Simon Walker
    Department of Biology of Physical Activity and Neuromuscular Research Center, University of Jyvaskyla, PO Box 35 Viv, 40014 Jyvaskyla, Finland
    Eur J Appl Physiol 113:2233-44. 2013
  5. doi request reprint Recovery after heavy resistance exercise and skeletal muscle androgen receptor and insulin-like growth factor-I isoform expression in strength trained men
    Juha P Ahtiainen
    Department of Biology of Physical Activity and Neuromuscular Research Center, University of Jyvaskyla, Jyvaskyla, Finland
    J Strength Cond Res 25:767-77. 2011
  6. doi request reprint Effects of resistance training on expression of IGF-I splice variants in younger and older men
    Juha P Ahtiainen
    a Department of Biology of Physical Activity and Neuromuscular Research Center, University of Jyvaskyla, Jyvaskyla, Finland
    Eur J Sport Sci 16:1055-63. 2016
  7. doi request reprint Heavy resistance exercise training and skeletal muscle androgen receptor expression in younger and older men
    Juha P Ahtiainen
    Department of Biology of Physical Activity and Neuromuscular Research Center, University of Jyvaskyla, Jyvaskyla, Finland
    Steroids 76:183-92. 2011
  8. doi request reprint Androgen receptors and testosterone in men--effects of protein ingestion, resistance exercise and fiber type
    Juha J Hulmi
    Department of Biology of Physical Activity, University of Jyvaskyla, Jyvaskyla, Finland
    J Steroid Biochem Mol Biol 110:130-7. 2008
  9. pmc PGC-1 isoforms and their target genes are expressed differently in human skeletal muscle following resistance and endurance exercise
    Mika Silvennoinen
    Department of Biology of Physical Activity, University of Jyvaskyla, Jyvaskyla, Finland
    Physiol Rep 3:. 2015
  10. doi request reprint Panoramic ultrasonography is a valid method to measure changes in skeletal muscle cross-sectional area
    Juha P Ahtiainen
    Department of Biology of Physical Activity and Neuromuscular Research Center, University of Jyvaskyla, P O Box 35, 40014, Jyvaskyla, Finland
    Eur J Appl Physiol 108:273-9. 2010

Detail Information

Publications25

  1. ncbi request reprint Muscle hypertrophy, hormonal adaptations and strength development during strength training in strength-trained and untrained men
    Juha P Ahtiainen
    Neuromuscular Research Center and Department of Biology of Physical Activity, University of Jyvaskyla, P O Box 35, 40014 Jyvaskyla, Finland
    Eur J Appl Physiol 89:555-63. 2003
    ....
  2. ncbi request reprint Acute hormonal and neuromuscular responses and recovery to forced vs maximum repetitions multiple resistance exercises
    J P Ahtiainen
    Department of Biology of Physical Activity, University of Jyvaskyla, Jyvaskyla, Finland
    Int J Sports Med 24:410-8. 2003
    ....
  3. ncbi request reprint Short vs. long rest period between the sets in hypertrophic resistance training: influence on muscle strength, size, and hormonal adaptations in trained men
    Juha P Ahtiainen
    Department of Biology of Physical Activity and Neuromuscular Research Center, University of Jyvaskyla, Jyvaskyla, Finland
    J Strength Cond Res 19:572-82. 2005
    ..5 minutes) did not have an influence on the magnitude of acute hormonal and neuromuscular responses or long-term training adaptations in muscle strength and mass in previously strength-trained men...
  4. doi request reprint Variable resistance training promotes greater fatigue resistance but not hypertrophy versus constant resistance training
    Simon Walker
    Department of Biology of Physical Activity and Neuromuscular Research Center, University of Jyvaskyla, PO Box 35 Viv, 40014 Jyvaskyla, Finland
    Eur J Appl Physiol 113:2233-44. 2013
    ..Greater training-induced improvements in fatigue resistance occurred in the variable resistance training group, which may be due to greater acute fatigue and physiological responses during variable versus constant resistance loadings...
  5. doi request reprint Recovery after heavy resistance exercise and skeletal muscle androgen receptor and insulin-like growth factor-I isoform expression in strength trained men
    Juha P Ahtiainen
    Department of Biology of Physical Activity and Neuromuscular Research Center, University of Jyvaskyla, Jyvaskyla, Finland
    J Strength Cond Res 25:767-77. 2011
    ..Subjective perception of physical fitness suggests that recovery over a pre-exercise level of the present type of heavy resistance exercise can take approximately 6 days...
  6. doi request reprint Effects of resistance training on expression of IGF-I splice variants in younger and older men
    Juha P Ahtiainen
    a Department of Biology of Physical Activity and Neuromuscular Research Center, University of Jyvaskyla, Jyvaskyla, Finland
    Eur J Sport Sci 16:1055-63. 2016
    ..Thus, ageing appears not to effect expression of the present signalling molecules involved in skeletal muscle hypertrophy. ..
  7. doi request reprint Heavy resistance exercise training and skeletal muscle androgen receptor expression in younger and older men
    Juha P Ahtiainen
    Department of Biology of Physical Activity and Neuromuscular Research Center, University of Jyvaskyla, Jyvaskyla, Finland
    Steroids 76:183-92. 2011
    ....
  8. doi request reprint Androgen receptors and testosterone in men--effects of protein ingestion, resistance exercise and fiber type
    Juha J Hulmi
    Department of Biology of Physical Activity, University of Jyvaskyla, Jyvaskyla, Finland
    J Steroid Biochem Mol Biol 110:130-7. 2008
    ..Furthermore, the present study shows that even older men are able to increase muscle AR mRNA expression in response to a RE bout...
  9. pmc PGC-1 isoforms and their target genes are expressed differently in human skeletal muscle following resistance and endurance exercise
    Mika Silvennoinen
    Department of Biology of Physical Activity, University of Jyvaskyla, Jyvaskyla, Finland
    Physiol Rep 3:. 2015
    ..The present study comprehensively assayed PGC-1 transcripts in human skeletal muscle and showed exercise mode-specific responses thus improving the understanding of early signaling events in exercise-induced muscle adaptations. ..
  10. doi request reprint Panoramic ultrasonography is a valid method to measure changes in skeletal muscle cross-sectional area
    Juha P Ahtiainen
    Department of Biology of Physical Activity and Neuromuscular Research Center, University of Jyvaskyla, P O Box 35, 40014, Jyvaskyla, Finland
    Eur J Appl Physiol 108:273-9. 2010
    ..Moreover, this US method detects training-induced changes in muscle CSA with a comparable degree of precision to MRI...
  11. doi request reprint Exercise type and volume alter signaling pathways regulating skeletal muscle glucose uptake and protein synthesis
    Juha P Ahtiainen
    Department of Biology of Physical Activity, University of Jyvaskyla, P O Box 35, 40014, Jyvaskyla, Finland
    Eur J Appl Physiol 115:1835-45. 2015
    ..Moreover, the effect of resistance exercise volume was examined...
  12. doi request reprint Neuromuscular fatigue induced by an isotonic heavy-resistance loading protocol in knee extensors
    Simon Walker
    Department of Biology of Physical Activity, University of Jyvaskyla, Jyvaskyla, Finland
    J Sports Sci 27:1271-9. 2009
    ..Our results show that both central and peripheral mechanisms contributed to neuromuscular fatigue during the present loading protocol...
  13. pmc Are skeletal muscle FNDC5 gene expression and irisin release regulated by exercise and related to health?
    Satu Pekkala
    S Pekkala Department of Health Sciences, University of Jyvaskyla, PO Box 35, FI 40014 University of Jyvaskyla, Finland
    J Physiol 591:5393-400. 2013
    ..Moreover, irisin and FNDC5 were not associated with glucose tolerance and being overweight, or with metabolic disturbances, respectively. Finally, factor(s) other than PGC-1α and transcription may regulate FNDC5 expression...
  14. doi request reprint Strength athletes are capable to produce greater muscle activation and neural fatigue during high-intensity resistance exercise than nonathletes
    Juha P Ahtiainen
    Department of Biology of Physical Activity and Neuromuscular Research Center, University of Jyvaskyla, Jyvaskyla, Finland
    J Strength Cond Res 23:1129-34. 2009
    ..The present study suggests that FRs are an efficient training protocol to overload the neuromuscular system especially in SAs...
  15. ncbi request reprint Postexercise myostatin and activin IIb mRNA levels: effects of strength training
    Juha J Hulmi
    Department of Biology of Physical Activity and Neuromuscular Research Center, University of Jyvaskyla, Jyvaskyla, Finland
    Med Sci Sports Exerc 39:289-97. 2007
    ..By means of this novel longitudinal setting, we examined whether postexercise gene expression at the transcriptional level is different in the trained and untrained state...
  16. ncbi request reprint Muscle mass and strength, body composition and dietary intake in master strength athletes vs untrained men of different ages
    J Sallinen
    Department of Biology of Physical Activity, University of Jyvaskyla, Jyvaskyla, Finland
    J Sports Med Phys Fitness 48:190-6. 2008
    ..The aim of this study was to compare muscle strength and thickness, body composition and dietary intake between master strength athletes and controls...
  17. doi request reprint Acute neuromuscular and hormonal responses during contrast loading: effect of 11 weeks of contrast training
    S Walker
    Department of Biology of Physical Activity, University of Jyvaskyla, Jyvaskyla, Finland
    Scand J Med Sci Sports 20:226-34. 2010
    ..However, potentiated SJ performance may alter through training, and therefore, the responsiveness of the individual should be periodically monitored and training protocols updated when necessary...
  18. pmc The Effects of Intensive Weight Reduction on Body Composition and Serum Hormones in Female Fitness Competitors
    Juha J Hulmi
    Department of Biology of Physical Activity, Neuromuscular Research Center, University of JyväskyläJyväskylä, Finland Department of Physiology, Faculty of Medicine, University of HelsinkiHelsinki, Finland
    Front Physiol 7:689. 2016
    ..This study shows for the first time that most of the hormonal changes after a 35-50% decrease in body fat in previously normal-weight females can recover within 3-4 months of increased energy intake...
  19. doi request reprint Effects of resistance training on testosterone metabolism in younger and older men
    Juha P Ahtiainen
    Department of Biology of Physical Activity, University of Jyvaskyla, Finland Electronic address
    Exp Gerontol 69:148-58. 2015
    ..No changes were observed in T metabolism due to RT indicating a homeostatic stability for this hormone in men of different ages. ..
  20. pmc The effects of whey protein with or without carbohydrates on resistance training adaptations
    Juha J Hulmi
    Department of Biology of Physical Activity, Neuromuscular Research Center, University of Jyvaskyla, Rautpohjankatu 8, P O Box 35, FI 40014 Jyvaskyla, Finland
    J Int Soc Sports Nutr 12:48. 2015
    ..However, the individual and combined effects of whey protein and carbohydrates on long-term resistance training adaptations are poorly understood...
  21. doi request reprint Strength, [corrected] endurance or combined training elicit diverse skeletal muscle myosin heavy chain isoform proportion but unaltered androgen receptor concentration in older men
    J P Ahtiainen
    Department of Biology of Physical Activity, University of Jyvaskyla, Jyvaskyla, Finland
    Int J Sports Med 30:879-87. 2009
    ..The present results indicate that 21 weeks of strength, endurance or combined training changed MyHC proportion according to the training method but did not have an effect on AR mRNA or protein expression in skeletal muscle at rest...
  22. pmc Heterogeneity in resistance training-induced muscle strength and mass responses in men and women of different ages
    Juha P Ahtiainen
    Department of Biology of Physical Activity, University of Jyvaskyla, P O Box 35, FI 40014, Jyvaskyla, Finland
    Age (Dordr) 38:10. 2016
    ..Whether these changes are associated with, e.g., functional capacity and metabolic health improvements due to RT requires further studies. ..
  23. pmc Physical exercise increases adult hippocampal neurogenesis in male rats provided it is aerobic and sustained
    Miriam S Nokia
    Department of Psychology, University of Jyvaskyla, Finland
    J Physiol 594:1855-73. 2016
    ..Our results confirm that sustained aerobic exercise is key in improving AHN...
  24. doi request reprint Changes in corticospinal excitability during an acute bout of resistance exercise in the elbow flexors
    Ilona Ruotsalainen
    Neuromuscular Research Center, Department of Biology of Physical Activity, University of Jyvaskyla, PL 35, 40014, Jyvaskyla, Finland
    Eur J Appl Physiol 114:1545-53. 2014
    ..Hypertrophic resistance exercise (HRE) induces central and peripheral fatigue. However, more detailed information about changes in corticospinal excitability remains to be elucidated...
  25. ncbi request reprint Acute hormonal responses to heavy resistance exercise in strength athletes versus nonathletes
    Juha P Ahtiainen
    Dept Of Biology of Physical Activity and Neuromuscular Research Center, Univ of Jyvaskyla, Finland
    Can J Appl Physiol 29:527-43. 2004
    ..These data suggest that, at least in experienced strength athletes, the forced-repetition protocol is a viable alternative to the more traditional maximum-repetition protocol and may even be a superior approach...