Body composition of sedentary and physically active spinal cord injured individuals estimated from total body electrical conductivity

Reliability and evidence of construct validity of Total Body Electrical Conductivity (TOBEC) for estimating body composition in spinal cord injured subjects was evaluated using 17 males with C6-L2 spinal cord transections. Subjects reporting regular exercise were categorized as active (n = 12); none...

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Bibliographic Details
Published inArchives of physical medicine and rehabilitation Vol. 74; no. 7; pp. 706 - 710
Main Authors OLLE, M. M, PIVARNIK, J. M, KLISH, W. J, MORROW, J. R
Format Journal Article
LanguageEnglish
Published New York, NY Elsevier 01.07.1993
Subjects
Adult
Biological and medical sciences
Body Composition
Electrophysiology
Exercise
Humans
Injuries of the nervous system and the skull. Diseases due to physical agents
Male
Medical sciences
Skinfold Thickness
Spinal Cord Injuries - classification
Spinal Cord Injuries - physiopathology
Traumas. Diseases due to physical agents
Physical exercise
Human
Nervous system diseases
Spinal cord
Paraplegia
Electrical conductivity
Exploration
Sedentary
Spinal cord disease
Trauma
Body composition
Comparative study
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Summary:Reliability and evidence of construct validity of Total Body Electrical Conductivity (TOBEC) for estimating body composition in spinal cord injured subjects was evaluated using 17 males with C6-L2 spinal cord transections. Subjects reporting regular exercise were categorized as active (n = 12); nonexercisers were considered sedentary (n = 5). Measures included body weight, length, circumferences, skinfolds, and three TOBEC readings. Reliability for percent fat of both single and multiple TOBEC trials (t = 3) ranged from .994 to .999. Average percent fat values were significantly (p < .009) higher in sedentary subjects. Sum of seven skinfolds was significantly correlated (r[15] = 0.73, p < .01) with percent fat measured by TOBEC. Results suggest TOBEC is reliable (rtt > 0.99) in estimating body composition in spinal cord injured individuals. High reliability estimates for single and multiple trials indicate use of a single trial will provide reliable body fat estimates. Construct validity evidence infers that TOBEC measured body composition discriminates between active and sedentary paraplegics.
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ISSN:0003-9993
1532-821X
DOI:10.1016/0003-9993(93)90030-E