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  • 标题:Acute Response Of Bone Metabolism To Various Resistance Exercises In Women
  • 作者:Jana Kovárová ; Dušan Hamar ; Milan Sedliak
  • 期刊名称:Acta Facultatis Educationis Physicae Universitatis Comenianae
  • 电子版ISSN:0520-7371
  • 出版年度:2015
  • 卷号:55
  • 期号:1
  • 页码:11-19
  • DOI:10.1515/afepuc-2015-0002
  • 语种:English
  • 出版社:Walter de Gruyter GmbH
  • 摘要:The study examines the acute response of bone turnover markers to two different single bouts of resistance exercises in women. Serum bone alkaline phosphatase and sclerostin concentration were measured before, 24 and 48 hours after the interventions to detect the dynamics of bone turnover. Subjects performed two exercises and a control experiment without exercise (CONTR) on different occasions, with 3-week breaks between the interventions, in a random order. First exercises protocol had a constant resistance of 75 % 1 RM (ISOF). Second, serial stretch loading (SSL), was isokinetic: velocity of concentric and eccentric phase of the movement was 50 and 40 cm/s, respectively. Short stops were incorporated into both phases of the movement after every 20 mm, resulting in a frequency of the force peaks of 10 Hz in concentric as well as in eccentric phase. Both protocols consisted of 6 sets of 6 repetitions and 2-minute resting periods. The exercises interventions had no statistically significant effect on either bone turnover marker concentration at any of the time points.
  • 关键词:serial stretch loading ; bone turnover ; bone alkaline phosphatase ; sclerostin
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