Research brief: Quadricep predicts COPD death risk

Quadricep strength, defined by the maximal voluntary contraction force of the quadriceps (QMVC), predicts mortality in patients with moderate to severe COPD, UK research has shown.A study of 162 COPD patients who underwent QMVC tests showed that a five-year mortality risk increased with reducing quadriceps strength concluding that QMVC provides more powerful prognostic information in COPD than that provided by FEV1, BMI or age (Thorax Online). 

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