Julien Ochala

Summary

Country: France

Publications

  1. ncbi request reprint Changes in mechanical properties of human plantar flexor muscles in ageing
    Julien Ochala
    Equipe INSERM ERIT M 0207 Motricité Plasticité, Faculte des Sciences du Sport, Universite de Bourgogne, BP 27877, 21078 Dijon Cedex, France
    Exp Gerontol 39:349-58. 2004
  2. ncbi request reprint Gender differences in human muscle and joint mechanical properties during plantar flexion in old age
    Julien Ochala
    Equipe Motricité Plasticité, Faculte des Sciences du Sport, Universite de Bourgogne, Dijon, France
    J Gerontol A Biol Sci Med Sci 59:441-8. 2004
  3. ncbi request reprint Effect of strength training on musculotendinous stiffness in elderly individuals
    Julien Ochala
    Equipe INSERM ERM 207 Motricité Plasticité, Faculte des Sciences du Sport, Universite de Bourgogne, Dijon, France
    Eur J Appl Physiol 94:126-33. 2005
  4. ncbi request reprint Changes in muscle and joint elasticity following long-term strength training in old age
    Julien Ochala
    Equipe INSERM ERM 207 Motricité Plasticité, Faculte des Sciences du Sport, Universite de Bourgogne, BP 27 877, 21 078 Dijon Cedex, France
    Eur J Appl Physiol 100:491-8. 2007
  5. ncbi request reprint Single skeletal muscle fiber behavior after a quick stretch in young and older men: a possible explanation of the relative preservation of eccentric force in old age
    Julien Ochala
    Muscle Cell Physiology Laboratory, Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital and Harvard Medical School, Boston, MA, USA
    Pflugers Arch 452:464-70. 2006
  6. ncbi request reprint Single skeletal muscle fiber elastic and contractile characteristics in young and older men
    Julien Ochala
    Muscle Cell Physiology Laboratory, Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital, and Harvard Medical School, Boston, Massachusetts, USA
    J Gerontol A Biol Sci Med Sci 62:375-81. 2007
  7. doi request reprint Effects of a preferential myosin loss on Ca2+ activation of force generation in single human skeletal muscle fibres
    Julien Ochala
    Department of Neuroscience, Clinical Neurophysiology, University Hospital, Uppsala, Sweden
    Exp Physiol 93:486-95. 2008
  8. pmc Defective regulation of contractile function in muscle fibres carrying an E41K beta-tropomyosin mutation
    Julien Ochala
    Department of Neuroscience, Clinical Neurophysiology, University Hospital, Entrance 85, 3rd Floor, SE 751 85 Uppsala, Sweden
    J Physiol 586:2993-3004. 2008
  9. pmc Effects of a R133W beta-tropomyosin mutation on regulation of muscle contraction in single human muscle fibres
    Julien Ochala
    Department of Clinical Neurophysiology, Uppsala University Hospital, Entrance 85, 3rd Floor, SE 751 85 Uppsala, Sweden
    J Physiol 581:1283-92. 2007

Detail Information

Publications9

  1. ncbi request reprint Changes in mechanical properties of human plantar flexor muscles in ageing
    Julien Ochala
    Equipe INSERM ERIT M 0207 Motricité Plasticité, Faculte des Sciences du Sport, Universite de Bourgogne, BP 27877, 21078 Dijon Cedex, France
    Exp Gerontol 39:349-58. 2004
    ..Invariance of SI(MA) and Kp would suggest an adaptive mechanism in articular structures to avoid the continuous integration of the ankle joint stiffness by the central nervous system, what may simplify most daily motor tasks...
  2. ncbi request reprint Gender differences in human muscle and joint mechanical properties during plantar flexion in old age
    Julien Ochala
    Equipe Motricité Plasticité, Faculte des Sciences du Sport, Universite de Bourgogne, Dijon, France
    J Gerontol A Biol Sci Med Sci 59:441-8. 2004
    ..05). These results are interpreted in terms of possible differences in the muscle mass, fiber-type distribution, and tendons. They may also have implications for daily motor behavior...
  3. ncbi request reprint Effect of strength training on musculotendinous stiffness in elderly individuals
    Julien Ochala
    Equipe INSERM ERM 207 Motricité Plasticité, Faculte des Sciences du Sport, Universite de Bourgogne, Dijon, France
    Eur J Appl Physiol 94:126-33. 2005
    ..05). The present results underlined that MT stiffness decreases following training in elderly individuals, counterbalancing the effect of ageing. These changes seem not only to be due to peripheral but also to neural adaptations...
  4. ncbi request reprint Changes in muscle and joint elasticity following long-term strength training in old age
    Julien Ochala
    Equipe INSERM ERM 207 Motricité Plasticité, Faculte des Sciences du Sport, Universite de Bourgogne, BP 27 877, 21 078 Dijon Cedex, France
    Eur J Appl Physiol 100:491-8. 2007
    ..Gender-related differences in MA stiffness response may originate from passive MA elastic structures...
  5. ncbi request reprint Single skeletal muscle fiber behavior after a quick stretch in young and older men: a possible explanation of the relative preservation of eccentric force in old age
    Julien Ochala
    Muscle Cell Physiology Laboratory, Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital and Harvard Medical School, Boston, MA, USA
    Pflugers Arch 452:464-70. 2006
    ....
  6. ncbi request reprint Single skeletal muscle fiber elastic and contractile characteristics in young and older men
    Julien Ochala
    Muscle Cell Physiology Laboratory, Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital, and Harvard Medical School, Boston, Massachusetts, USA
    J Gerontol A Biol Sci Med Sci 62:375-81. 2007
    ..e., reduced specific force and unloaded shortening velocity) in type I and IIa fibers. However, the changes in fiber stiffness may not directly influence contractile characteristics alterations...
  7. doi request reprint Effects of a preferential myosin loss on Ca2+ activation of force generation in single human skeletal muscle fibres
    Julien Ochala
    Department of Neuroscience, Clinical Neurophysiology, University Hospital, Uppsala, Sweden
    Exp Physiol 93:486-95. 2008
    ..Thus, a change in Ca(2+) activation of the contractile apparatus in patients with preferential myosin loss is proposed as an additional factor contributing to the muscle function impairment in these patients...
  8. pmc Defective regulation of contractile function in muscle fibres carrying an E41K beta-tropomyosin mutation
    Julien Ochala
    Department of Neuroscience, Clinical Neurophysiology, University Hospital, Entrance 85, 3rd Floor, SE 751 85 Uppsala, Sweden
    J Physiol 586:2993-3004. 2008
    ....
  9. pmc Effects of a R133W beta-tropomyosin mutation on regulation of muscle contraction in single human muscle fibres
    Julien Ochala
    Department of Clinical Neurophysiology, Uppsala University Hospital, Entrance 85, 3rd Floor, SE 751 85 Uppsala, Sweden
    J Physiol 581:1283-92. 2007
    ....