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Maximal voluntary contraction as a functional indicator of adult chronic undernutrition

Published online by Cambridge University Press:  09 March 2007

M. Vaz ,
S. Thangam ,
A. Prabhu  and
P.S. Shetty†
M. Vaz
Affiliation:
Nutrition Research Centre, Department of Physiology, St. John's Medical College, Bangalore, India
S. Thangam
Affiliation:
Nutrition Research Centre, Department of Physiology, St. John's Medical College, Bangalore, India
A. Prabhu
Affiliation:
Nutrition Research Centre, Department of Physiology, St. John's Medical College, Bangalore, India
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Abstract

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Maximal voluntary contraction (MVC) using a handgrip dynamometer was assessed in seventy-two young adult males. The subjects were divided into two groups on the basis of a BMI of 18·5 kg/m2. The subjects with a BMI < 18·5 kg/m2 (n 38) were further divided into an underweight (UW;n 20) group and a chronically energy-deficient (CED; n 18) group. The CED subjects had significantly lower MVC (30·1, SD 5·9 kg) than either the well-nourished controls (BMI > 18·5 kg/m2: 39·8, SD 5·8 kg) or the underweight group (37·6, SD 4·9 kg). The differences between the CED and UW groups persisted even after the MVC were corrected for forearm muscle area and stature. The results suggest that MVC may be a useful functional indicator of nutritional status particularly in differentiating subjects with chronic undernutrition from individuals who are underweight and not undernourished but have similar BMI.

Keywords

Body mass indexChronic energy deficiencyHandgrip dynamometryMaximal voluntary contraction
Type
Human and Clinical Nutrition
Information
British Journal of Nutrition , Volume 76 , Issue 1 , July 1996 , pp. 9 - 15
Copyright
Copyright © The Nutrition Society 1996

References

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