Limitations in Maximum Intensity Crawl in Swimmers with Down Syndrome: Dataset
Description
The data supporting the main findings of this study are available on reasonable request with access granted on justified request to researchers meeting the criteria for access to confidential data.
Abstract
Abstract: Individuals with Down Syndrome exhibit deficits in muscle strength and cardiovascular adaptation, which limit athletic performance. We compared a maximal intensity 50m crawl test between competitive male swimmers with Down Syndrome (SDS; n=11; 26.5±5.6 years; m±SD) and a control group of swimmers (CNT; n=11; 27.1±4.0 years) with similar training volumes (about 5h/week). Wearable sternal sensors measured heart rate and 3D-accelerometry. The regularity index Sample Entropy (SampEn) was calculated on the X-component of acceleration. Total times (SDS: 58.91±13.68 s; CNT: 32.55±3.70 s) and stroke counts (SDS: 66.1±9.6; CNT: 51.4±7.4) were significantly higher in SDS group (p<0.01). Heart rate was lower in the SDS group during immediate (SDS: 129±15 bpm; CNT: 172±11 bpm) and delayed recovery (30 s, SDS: 104±23 bpm; CNT: 145±21 bpm; 60 s, SDS: 79±27 bpm; CNT: 114±27 bpm) (p<0.01 for all comparisons). SampEn of the sternal acceleration showed no differences between groups and between 1° and 2° pools. Body pitch correlated strongly with performance in SDS swimmers (R2=0.632, p<0.01) but during the first 25m only. High-intensity crawl performance differed between SDS and CNT athletes in time, biomechanics and internal load adaptation, suggesting a need for tailored training to improve swimming efficiency in SDS athletes.
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The data supporting the main findings of this study are available on reasonable request with access granted on justified request to researchers meeting the criteria for access to confidential data.
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