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Tytuł pozycji:

Plyometrics Can Preserve Peak Power During 2 Months of Physical Inactivity: An RCT Including a One-Year Follow-Up.

Tytuł:
Plyometrics Can Preserve Peak Power During 2 Months of Physical Inactivity: An RCT Including a One-Year Follow-Up.
Autorzy:
Kramer A; Sensorimotor Performance Lab, University of Konstanz, Konstanz, Germany.
Kümmel J; Sensorimotor Performance Lab, University of Konstanz, Konstanz, Germany.
Gollhofer A; Department of Sports Science, University of Freiburg, Freiburg, Germany.
Armbrecht G; Center of Muscle and Bone Research, Charité Universitätsmedizin Berlin, Berlin, Germany.
Ritzmann R; Department of Sports Science, University of Freiburg, Freiburg, Germany.
Belavy D; Center of Muscle and Bone Research, Charité Universitätsmedizin Berlin, Berlin, Germany.; Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC, Australia.
Felsenberg D; Center of Muscle and Bone Research, Charité Universitätsmedizin Berlin, Berlin, Germany.
Gruber M; Sensorimotor Performance Lab, University of Konstanz, Konstanz, Germany.
Źródło:
Frontiers in physiology [Front Physiol] 2018 May 29; Vol. 9, pp. 633. Date of Electronic Publication: 2018 May 29 (Print Publication: 2018).
Typ publikacji:
Journal Article
Język:
English
Imprint Name(s):
Original Publication: Lausanne : Frontiers Research Foundation
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Contributed Indexing:
Keywords: SSC; bed rest; countermeasure; exercise; power; rate of force development; specificity
Entry Date(s):
Date Created: 20180614 Latest Revision: 20200930
Update Code:
20220902
PubMed Central ID:
PMC5987003
DOI:
10.3389/fphys.2018.00633
PMID:
29896116
Czasopismo naukowe
Objective: Inactivity results in a marked loss of muscle function, especially in movements requiring high power, force, and rate of force development. The aim of the present study was to evaluate if jump training can prevent these deteriorating effects of physical inactivity. Methods: Performance and muscle activity during several types of jumps was assessed directly before and after 60 days of bed rest as well as during follow-up visits in 23 male participants. Participants in the jump training group (JUMP, 12 participants) trained 5-6x per week during the bed rest period in a sledge jump system that allows jumps in a horizontal position, whereas the control group (CTRL, 11 participants) did not train. Results: Performance and muscle activity considerably decreased after bed rest in the control group but not in the training group, neither for countermovement jumps (peak power CTRL -31%, JUMP +0%, group × time interaction effect p < 0.001), nor for squat jumps (peak power CTRL -35%, JUMP +1%, p < 0.001) and repetitive hops (peak force CTRL -35%, JUMP -2%, p < 0.001; rate of force development CTRL -53%, JUMP +4%, p < 0.001). The control group's performance had returned to baseline 3 months after bed rest. Conclusion: Despite the short exercise duration, the jump training successfully prevented power and strength losses throughout 2 months of bed rest.Thus, plyometrics can be recommended as an effective and efficient type of exercise for sedentary populations, preventing the deterioration of neuromuscular performance during physical inactivity.

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