Abstract:
PURPOSE:To quantify creatine kinase (CK) activity changes across time following an acute bout of whole-body vibration (WBV) and determine the association between changes in CK activity and jumping performance. METHOD:Twenty-six elite young basketball players were assigned to 3 groups: 36-Hz and 46-Hz vibration groups (G36 and G46, respectively) and a control group. The study quantified CK activity and jumping performance following an acute bout of WBV at 2 vibration frequencies. Both WBV groups performed a protocol that consisted of 10 sets of 60 s of WBV while standing on a vibration plate in a quarter-squat position. CK activity, countermovement jumps (CMJ), and squat jumps (SJ) were measured immediately before and 24 hr and 48 hr after WBV. In addition, CMJ and SJ were also measured 5 min after WBV. RESULTS:CK activity was statistically significantly increased 24 hr following WBV in G36 and G46. At 48 hr after WBV, CK activity was similar to baseline levels in G36 but remained statistically significantly above baseline levels in G46. The CMJ and SJ heights were statistically significantly decreased at 5 min following the protocol for both WBV groups. Overall, the changes in CK activity did not present a strong relationship with the changes in jump heights for any of the comparisons. CONCLUSIONS:These findings suggest that WBV protocols with such characteristics may not cause excessive muscle damage and may partly explain why many WBV training studies have failed to elicit increases in strength performance.
journal_name
Res Q Exerc Sportjournal_title
Research quarterly for exercise and sportauthors
Fachina R,da Silva A,Falcão W,Montagner P,Borin J,Minozzo F,Falcão D,Vancini R,Poston B,de Lira Cdoi
10.1080/02701367.2013.843399subject
Has Abstractpub_date
2013-12-01 00:00:00pages
503-11issue
4eissn
0270-1367issn
2168-3824journal_volume
84pub_type
杂志文章abstract::This study was designed to determine the number of days of pedometer monitoring necessary to achieve reliable and valid estimates of a 1-year average of step counts in adults based on either consecutive days (CD) or random days (RD) of data collection. Twenty-three participants (16 women; M age = 38 years, SD = 9.9) w...
journal_title:Research quarterly for exercise and sport
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journal_title:Research quarterly for exercise and sport
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Research quarterly for exercise and sport
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pub_type: 杂志文章,随机对照试验
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journal_title:Research quarterly for exercise and sport
pub_type: 杂志文章,随机对照试验
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