M Alen

Summary

Country: Finland

Publications

  1. ncbi request reprint Changes in agonist-antagonist EMG, muscle CSA, and force during strength training in middle-aged and older people
    K HAkkinen
    Neuromuscular Research Center and Department of Biology of Physical Activity, University of Jyvaskyla, 40351 Jyväskylä, Finland
    J Appl Physiol (1985) 84:1341-9. 1998
  2. ncbi request reprint Changes in muscle morphology, electromyographic activity, and force production characteristics during progressive strength training in young and older men
    K HAkkinen
    Neuromuscular Research Center and Department of Biology of Physical Activity, University of Jyvaskyla, Finland
    J Gerontol A Biol Sci Med Sci 53:B415-23. 1998
  3. ncbi request reprint Basal concentrations and acute responses of serum hormones and strength development during heavy resistance training in middle-aged and elderly men and women
    K HAkkinen
    Neuromuscular Research Center and Department of Biology of Physical Activity, University of Jyvaskyla, Finland
    J Gerontol A Biol Sci Med Sci 55:B95-105. 2000
  4. ncbi request reprint Neuromuscular adaptation during prolonged strength training, detraining and re-strength-training in middle-aged and elderly people
    K HAkkinen
    Neuromuscular Research Centre and Department of Biology of Physical Activity, University of Jyvaskyla, Finland
    Eur J Appl Physiol 83:51-62. 2000
  5. ncbi request reprint Effects of strength training on muscle strength, cross-sectional area, maximal electromyographic activity, and serum hormones in premenopausal women with fibromyalgia
    Keijo HAkkinen
    Neuromuscular Research Center and Department of Biology of Physical Activity, University of Jyvaskyla, Finland
    J Rheumatol 29:1287-95. 2002
  6. ncbi request reprint Selective muscle hypertrophy, changes in EMG and force, and serum hormones during strength training in older women
    K HAkkinen
    Neuromuscular Research Center and Department of Biology of Physical Activity, University of Jyvaskyla, 40351 Jyväskylä, Finland
    J Appl Physiol 91:569-80. 2001
  7. ncbi request reprint Muscle hypertrophy, strength development, and serum hormones during strength training in elderly women with fibromyalgia
    H Valkeinen
    Department of Health Sciences, University of Jyvaskyla, Jyvaskyla, FIN 40 014, Finland
    Scand J Rheumatol 34:309-14. 2005
  8. ncbi request reprint Dietary intake, serum hormones, muscle mass and strength during strength training in 49 - 73-year-old men
    J Sallinen
    Department of Biology of Physical Activity and Neuromuscular Research Center, University of Jyvaskyla, Jyvaskyla, Finland
    Int J Sports Med 28:1070-6. 2007
  9. ncbi request reprint Neuromuscular adaptations during concurrent strength and endurance training versus strength training
    K HAkkinen
    Neuromuscular Research Center, University of Jyvaskyla, P O Box 35, 40014, Jyvaskyla, Finland
    Eur J Appl Physiol 89:42-52. 2003
  10. ncbi request reprint Changes in electromyographic activity, muscle fibre and force production characteristics during heavy resistance/power strength training in middle-aged and older men and women
    K HAkkinen
    Neuromuscular Research Centre and Department of Biology of Physical Activity, University of Jyvaskyla, Jyvaskyla, Finland
    Acta Physiol Scand 171:51-62. 2001

Collaborators

Detail Information

Publications46

  1. ncbi request reprint Changes in agonist-antagonist EMG, muscle CSA, and force during strength training in middle-aged and older people
    K HAkkinen
    Neuromuscular Research Center and Department of Biology of Physical Activity, University of Jyvaskyla, 40351 Jyväskylä, Finland
    J Appl Physiol (1985) 84:1341-9. 1998
    ....
  2. ncbi request reprint Changes in muscle morphology, electromyographic activity, and force production characteristics during progressive strength training in young and older men
    K HAkkinen
    Neuromuscular Research Center and Department of Biology of Physical Activity, University of Jyvaskyla, Finland
    J Gerontol A Biol Sci Med Sci 53:B415-23. 1998
    ....
  3. ncbi request reprint Basal concentrations and acute responses of serum hormones and strength development during heavy resistance training in middle-aged and elderly men and women
    K HAkkinen
    Neuromuscular Research Center and Department of Biology of Physical Activity, University of Jyvaskyla, Finland
    J Gerontol A Biol Sci Med Sci 55:B95-105. 2000
    ..The physiological significance of the lack of acute responsiveness of serum GH to heavy resistance exercise in older women for their trainability during prolonged strength training requires further examination...
  4. ncbi request reprint Neuromuscular adaptation during prolonged strength training, detraining and re-strength-training in middle-aged and elderly people
    K HAkkinen
    Neuromuscular Research Centre and Department of Biology of Physical Activity, University of Jyvaskyla, Finland
    Eur J Appl Physiol 83:51-62. 2000
    ....
  5. ncbi request reprint Effects of strength training on muscle strength, cross-sectional area, maximal electromyographic activity, and serum hormones in premenopausal women with fibromyalgia
    Keijo HAkkinen
    Neuromuscular Research Center and Department of Biology of Physical Activity, University of Jyvaskyla, Finland
    J Rheumatol 29:1287-95. 2002
    ....
  6. ncbi request reprint Selective muscle hypertrophy, changes in EMG and force, and serum hormones during strength training in older women
    K HAkkinen
    Neuromuscular Research Center and Department of Biology of Physical Activity, University of Jyvaskyla, 40351 Jyväskylä, Finland
    J Appl Physiol 91:569-80. 2001
    ..The magnitude and time duration of the acute GH response may be important physiological indicators of anabolic adaptations during strength training even in older women...
  7. ncbi request reprint Muscle hypertrophy, strength development, and serum hormones during strength training in elderly women with fibromyalgia
    H Valkeinen
    Department of Health Sciences, University of Jyvaskyla, Jyvaskyla, FIN 40 014, Finland
    Scand J Rheumatol 34:309-14. 2005
    ..To examine the effects of strength training on maximal force, cross-sectional area (CSA), and electromyographic (EMG) activity of muscles and serum hormone concentrations in elderly females with fibromyalgia (FM)...
  8. ncbi request reprint Dietary intake, serum hormones, muscle mass and strength during strength training in 49 - 73-year-old men
    J Sallinen
    Department of Biology of Physical Activity and Neuromuscular Research Center, University of Jyvaskyla, Jyvaskyla, Finland
    Int J Sports Med 28:1070-6. 2007
    ..The data indicate that protein and fat intake may influence serum testosterone concentrations and that the changes in exercise-induced testosterone responses may contribute to muscle mass development during strength training...
  9. ncbi request reprint Neuromuscular adaptations during concurrent strength and endurance training versus strength training
    K HAkkinen
    Neuromuscular Research Center, University of Jyvaskyla, P O Box 35, 40014, Jyvaskyla, Finland
    Eur J Appl Physiol 89:42-52. 2003
    ....
  10. ncbi request reprint Changes in electromyographic activity, muscle fibre and force production characteristics during heavy resistance/power strength training in middle-aged and older men and women
    K HAkkinen
    Neuromuscular Research Centre and Department of Biology of Physical Activity, University of Jyvaskyla, Jyvaskyla, Finland
    Acta Physiol Scand 171:51-62. 2001
    ....
  11. pmc Physically active vs. inactive lifestyle, muscle properties, and glucose homeostasis in middle-aged and older twins
    T Leskinen
    Department of Health Sciences, University of Jyvaskyla, PO Box 35 Viv, FIN 40014, Jyvaskyla, Finland
    Age (Dordr) 35:1917-26. 2013
    ..The regular use of muscles also prevents from the accumulation of intramuscular fat which might be related to maintained glucose metabolism and, thus, prevention of metabolic disorders...
  12. doi request reprint Motives for and barriers to physical activity in twin pairs discordant for leisure time physical activity for 30 years
    S Aaltonen
    University of Jyvaskyla, Department of Health Science, Jyvaskyla, Finland
    Int J Sports Med 33:157-63. 2012
    ..This study helps us understand the importance of the role of motives and the minor role of perceived barriers for engagement in persistent physical activity...
  13. doi request reprint Discrimination of fractures by low-frequency axial transmission ultrasound in postmenopausal females
    P Moilanen
    Department of Physics, University of Jyvaskyla, P O Box 35, Jyvaskyla, FI 40014, Finland
    Osteoporos Int 24:723-30. 2013
    ..These results suggest that low-frequency ultrasound is suitable for bone fragility assessment...
  14. ncbi request reprint Physical fitness in postmenopausal women with fibromyalgia
    H Valkeinen
    Department of Health Sciences, University of Jyvaskyla, Jyvaskyla, Finland
    Int J Sports Med 29:408-13. 2008
    ..Additional efforts should be addressed to strength training, when planning health promotion and rehabilitation programs in fibromyalgia...
  15. 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...
  16. doi request reprint Effects of combined endurance and strength training on muscle strength, power and hypertrophy in 40-67-year-old men
    L Karavirta
    Department of Biology of Physical Activity, University of Jyvaskyla, Jyvaskyla, Finland
    Scand J Med Sci Sports 21:402-11. 2011
    ..73]. Combined training may interfere with muscle hypertrophy in aging men, despite similar gains in maximal strength between the strength and the combined training groups...
  17. ncbi request reprint Impaired geometric properties of tibia in older women with hip fracture history
    T Mikkola
    Department of Health Sciences, University of Jyvaskyla, P O Box 35, Viveca, 40014 Jyvaskyla, Finland
    Osteoporos Int 18:1083-90. 2007
    ..5 years earlier. Both tibial mineral mass and geometry were found to be reduced in the fractured leg...
  18. doi request reprint Leisure-time physical activity and artery lumen diameters: a monozygotic co-twin control study
    T Leskinen
    Department of Health Sciences, University of Jyvaskyla, Jyvaskyla, Finland
    Scand J Med Sci Sports 21:e208-14. 2011
    ..2 for all comparisons) were found in the dimensions of the carotid arteries. Our genetically controlled study confirms that habitual physical activity during adulthood enlarges arteries in a site-specific manner...
  19. doi request reprint Leisure-time physical activity and high-risk fat: a longitudinal population-based twin study
    T Leskinen
    Department of Health Sciences, University of Jyvaskyla, Jyvaskyla, Finland
    Int J Obes (Lond) 33:1211-8. 2009
    ..Therefore, we studied the effects of a physically inactive vs active lifestyle on high-risk (visceral, liver and intramuscular) fat in twin pairs discordant for leisure-time physical activity habits for over 30 years...
  20. ncbi request reprint Effects of strength training and reduced training on functional performance and metabolic health indicators in middle-aged men
    J Sallinen
    Department of Biology of Physical Activity, University of Jyvaskyla, Jyvaskyla, Finland
    Int J Sports Med 28:815-22. 2007
    ....
  21. doi request reprint Combination of hormone replacement therapy and high physical activity is associated with differences in Achilles tendon size in monozygotic female twin pairs
    T Finni
    Neuromuscular Research Center, Department of Biology of Physical Activity, University of Jyvaskyla, Jyvaskyla, Finland, Finland
    J Appl Physiol (1985) 106:1332-7. 2009
    ..In physically active twin pairs, the higher level of estrogen seems to be associated with smaller tendon size...
  22. doi request reprint Walking ability and all-cause mortality in older women
    S Mutikainen
    University of Jyvaskyla, Department of Health Sciences, Jyvaskyla, Finland
    Int J Sports Med 32:216-22. 2011
    ..In conclusion, self-reported difficulties in walking 2 km are associated with an increased risk of death in older community-dwelling women. Objectively measured walking ability gives similar results...
  23. doi request reprint Lactation is associated with greater maternal bone size and bone strength later in life
    P K Wiklund
    Department of Health Sciences, University of Jyvaskyla, P O Box 35 LL, 40014, Jyvaskyla, Finland
    Osteoporos Int 23:1939-45. 2012
    ..The association between lactation and bone size and strength was studied in 145 women 16 to 20 years after their last parturition. Longer cumulative duration of lactation was associated with larger bone size and strength later in life...
  24. ncbi request reprint Genetic effects in common on maximal walking speed and muscle performance in older women
    K Tiainen
    The Finnish Centre for Interdisciplinary Gerontology, Department of Health Sciences, University of Jyvaskyla, Jyvaskyla, Finland
    Scand J Med Sci Sports 17:274-80. 2007
    ..Approximately half of the variation in each trait was explained by environmental effects, which suggests the importance of the physical activity to improve performance and prevent functional limitation...
  25. doi request reprint Effects of prolonged and maintenance strength training on force production, walking, and balance in aging women and men
    J Holviala
    Department of Biology of Physical Activity, University of Jyvaskyla, Jyvaskyla, Finland
    Scand J Med Sci Sports 24:224-33. 2014
    ..A further strength training period with the same amount of training may maintain the strength gains, whereas balance and walking may be maintained with less training. ..
  26. doi request reprint Effects of a low-frequency sound wave therapy programme on functional capacity, blood circulation and bone metabolism in frail old men and women
    A Zheng
    Department of Health Sciences, University of Jyvaskyla, Jyvaskyla, Finland
    Clin Rehabil 23:897-908. 2009
    ..To evaluate the effects of a low-frequency sound wave therapy programme on functional capacity, blood circulation and bone metabolism of the frail elderly...
  27. doi request reprint Comparison of vertebral bone marrow fat assessed by 1H MRS and inphase and out-of-phase MRI among family members
    X Ojanen
    Department of Health Sciences, University of Jyvaskyla, Jyvaskyla, 40014, Finland
    Osteoporos Int 25:653-62. 2014
    ....
  28. ncbi request reprint Influence of physical activity and maturation status on bone mass and geometry in early pubertal girls
    Q J Wang
    Department of Health Sciences, University of Jyvaskyla, FIN 40351 Jyvaskyla, Finland
    Scand J Med Sci Sports 15:100-6. 2005
    ....
  29. ncbi request reprint Protein metabolism and strength performance after bovine colostrum supplementation
    A Mero
    Department of Biology of Physical Activity, University of Jyvaskyla, Jyvaskyla, Finland
    Amino Acids 28:327-35. 2005
    ....
  30. 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...
  31. 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
    ....
  32. ncbi request reprint Maximal force, force/time and activation/coactivation characteristics of the neck muscles in extension and flexion in healthy men and women at different ages
    Heli Valkeinen
    Department of Health Sciences, University of Jyvaskyla, Finland
    Eur J Appl Physiol 88:247-54. 2002
    ..The data indicate that explosive force production may be sensitive to aging earlier than maximal strength in the case of the neck extensor muscles...
  33. ncbi request reprint Effects of heavy resistance/power training on maximal strength, muscle morphology, and hormonal response patterns in 60-75-year-old men and women
    Keijo HAkkinen
    Department of Biology of Physical Activity and Neuromuscular Research Center, University of Jyvaskyla, Finalnd
    Can J Appl Physiol 27:213-31. 2002
    ..The exercise sessions resulted in acute increases in serum GH in both groups (p < .05) with a further increase (p < .01) up to 10 minutes post-loading in TRM at post-training...
  34. ncbi request reprint Free amino acid pool and muscle protein balance after resistance exercise
    Hannu T Pitkanen
    Neuromuscular Research Center, Department of Biology of Physical Activity, University of Jyvaskyla, Jyvaskyla, Finland
    Med Sci Sports Exerc 35:784-92. 2003
    ..The aim of this study was to assess the effects of a resistance exercise session (RES) on free amino acid concentrations and protein synthesis and breakdown of the vastus lateralis (VL) muscle during recovery in male subjects...
  35. ncbi request reprint Leg extension power asymmetry and mobility limitation in healthy older women
    Erja Portegijs
    Department of Health Sciences, University of Jyvaskyla, Jyvaskyla
    Arch Phys Med Rehabil 86:1838-42. 2005
    ..To investigate the association of asymmetry in leg extension power (LEP) with walking and standing balance...
  36. ncbi request reprint Improving cardiovascular fitness by strength or endurance training in women aged 76-78 years. A population-based, randomized controlled trial
    Mauri Kallinen
    Department of Physical Medicine and Rehabilitation, Jyvaskyla Central Hospital, Keskussairaalantie 19, FIN 40620, Jyvaskyla, Finland
    Age Ageing 31:247-54. 2002
    ..there have been few population-based, randomized controlled trials on the effects of strength or endurance training on cardiovascular fitness in older women...
  37. ncbi request reprint Interexaminer reliability of low back pain assessment using the McKenzie method
    Sinikka Kilpikoski
    Department of Health Sciences, University of Jyvaskyla, Jyvaskyla, Finland
    Spine (Phila Pa 1976) 27:E207-14. 2002
    ..A test-retest design was used...
  38. ncbi request reprint Serum basal hormone concentrations and muscle mass in aging women: effects of strength training and diet
    Janne Sallinen
    Dept of Biology of Physical Activity, University of Jyvaskyla, Finland
    Int J Sport Nutr Exerc Metab 16:316-31. 2006
    ..Our results support the conclusion that nutritional counseling can contribute to the increase in the muscle cross-sectional area during prolonged strength training in aging women...
  39. ncbi request reprint Association of low 25-hydroxyvitamin D concentrations with elevated parathyroid hormone concentrations and low cortical bone density in early pubertal and prepubertal Finnish girls
    Sulin Cheng
    Department of Health Sciences, University of Jyvaskyla, Jyvaskyla, Finland
    Am J Clin Nutr 78:485-92. 2003
    ..Very few studies have evaluated both parathyroid hormone (PTH) and 25-hydroxyvitamin D [25(OH)D] and their effects on bone mass in children...
  40. ncbi request reprint Heritability of maximal isometric muscle strength in older female twins
    Kristina Tiainen
    Dept of Health Sciences, University of Jyvaskyla, Jyvaskyla, Finland
    J Appl Physiol (1985) 96:173-80. 2004
    ..The results suggested that muscle strength is under a genetic regulation, but also environmental effects have a significant role in explaining the variability in the muscle strength...
  41. 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...
  42. ncbi request reprint Relationship of sex hormones to bone geometric properties and mineral density in early pubertal girls
    Qingju Wang
    University of Jyvaskyla, Jyvaskyla, Finland
    J Clin Endocrinol Metab 89:1698-703. 2004
    ....
  43. doi request reprint Effects of resistance training on lower-extremity impairments in older people with hip fracture
    Erja Portegijs
    Finnish Centre for Interdisciplinary Gerontology, University of Jyvaskyla, Jyvaskyla, Finland
    Arch Phys Med Rehabil 89:1667-74. 2008
    ..To study the effects of resistance training on muscle strength parameters, mobility, and balance...
  44. ncbi request reprint Estrogen receptor alpha polymorphism modifies the association between childhood exercise and bone mass: follow-up study
    Miia Suuriniemi
    Dept of Cell Biology, University of Jyvaskyla, Finland
    Pediatr Exerc Sci 19:444-58. 2007
    ..05) lower in the Pp girls with LLPA than in their HHPA counterparts. These findings might partly explain the genetic basis of human variation associated with exercise training...
  45. ncbi request reprint Asymmetrical lower extremity power deficit as a risk factor for injurious falls in healthy older women
    Erja Portegijs
    J Am Geriatr Soc 54:551-3. 2006
  46. ncbi request reprint Effects of strength training and nutritional counseling on metabolic health indicators in aging women
    Janne Sallinen
    Dept of Biology of Physical Activity, Univ of Jyvaskyla, Finland
    Can J Appl Physiol 30:690-707. 2005
    ..Effects of strength training (ST) and nutritional counseling (NC) on metabolic health indicators were examined in 50 aging women...