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Predictive Validity of Handgrip Strength, Vertical Jump Power, and Plank Time in the Identification of Pediatric Sarcopenia.
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- معلومة اضافية
- نبذة مختصرة :
This study examined the predictive validity of musculoskeletal fitness tests for identifying sarcopenia in youth. The sample was 529 participants age 10 to 18 years. Indices included: total lean body mass (LBM) normalized for height (LBM index, LBMI, kg/m2), appendicular LBMI (aLBMI, kg/m2), and LBM to fat body mass (FBM) ratio (LBM/FBM). Lean and fat tissue were measured via DXA. The cutoff value for sarcopenia was – 2.0 standard deviations ≤ mean for age and sex. Fitness was assessed using handgrip, plank, and vertical jump tests. Variables were standardized using the lambda-mu-sigma (LMS) method. By sex, analysis included the area under the curve (AUC), sensitivity (Se), and specificity (Sp). The ROC curves for aLBMI was highly accurate (AUCs ≥ 0.90, Se and Sp = 86–88%) for vertical jump and moderately accurate for handgrip (AUCs = 0.87–0.88, Se and Sp = 71–75%). Fitness tests can be used to identify pediatric sarcopenia. [ABSTRACT FROM AUTHOR]
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