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document
Does an in-season detraining period affect the shoulder rotator cuff strength and balance of young swimmers ? Imbalance in shoulder rotator muscles is a well-documented problem in swimmers , and it is important to implement land-based strength training programs . Meanwhile , the effects of a detraining period on swimmers ' shoulder rotator muscles are unknown . The purpose of this study was to analyze the effects of a strength training program and detraining on the strength and balance of shoulder rotator cuff muscles in young swimmers , despite the continuity of usual water training . An experimental group ( n = 20 ) and a control group ( n = 20 ) of young male swimmers with the same characteristics ( age , body mass , height , training volume , and maturational state ) were evaluated . In both groups , the peak torques of shoulder internal ( IR ) and external ( ER ) rotators were assessed during preseason , midseason ( 16 weeks ) , and postseason ( 32 weeks ) . The experimental group underwent a strength training regimen from baseline to 16 weeks and a detraining period from 16 to 32 weeks . Concentric action at 60°·s-1 and 180°·s-1 was measured using an isokinetic dynamometer . The ER/IR strength ratios were obtained . At 60°·s-1 , there were significant increments in IR strength and the ER/IR ratio in both shoulders . This trend was the same throughout the competitive season . The tendency was the same at 180°·s-1 because training effects were noted primarily in IR and ER/IR ratios . Moreover , the absence of land-based strength training , from 16 to 32 weeks , revealed a reduction in the ER/IR ratio values in both shoulders . Our findings suggest that young swimmers ' coaches should use dry-land strength training protocols , and that it is recommended that these should be conducted on a regular basis ( during the whole season ) .
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Intervention_Physical
in-season detraining
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Intervention_Physical
strength training program and detraining
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Intervention_Physical
strength training regimen
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Intervention_Physical
detraining
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Outcome_Physical
peak torques of shoulder internal ( IR ) and external ( ER ) rotators
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Outcome_Physical
ER/IR strength ratios
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Outcome_Physical
IR strength
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Outcome_Physical
ER/IR
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Outcome_Physical
ER/IR ratio
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Participant_Age
young
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Participant_Age
young
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Participant_Sample-size
( n = 20
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Participant_Sample-size
20
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Participant_Age
young
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Participant_Sex
male