2011 Student Research Conference:
24th Annual Student Research Conference

Prediction of Isometric Back Lift Strength from Selected Anthropometric and Body Composition Components in Young Men
Teresa R. Poelker
Dr. Jerry Mayhew and Prof. Jana Arabas, Faculty Mentors

The purpose of this study was to assess the accuracy of predicting isometric back lift strength in college men. College men (n = 200) were measured for 2 skeletal widths, 4 lower-body muscle circumferences, 3 skinfolds, and standing isometric back extension strength (ISO). Percent fat (%fat) and lean body mass (LBM) were predicted from a generalized equation. Multiple linear regression selected LBM and %fat as significant predictors of ISO (R = 0.44, SEE = 23.9 kg, CV = 16.8%). A sample randomly chosen from the original group (n = 28) produced a cross-validation correlation of 0.43 and a nonsignificant difference between predicted and actual ISO (t = 0.65). Limits of agreement analysis indicated large 95% confidence interval (48.0 kg). These results indicate the difficulty in accurately predicting isometric back strength in young men from the current variables.

Keywords: Isometric Back Lift Strength, Skeletal Widths, Lower-Body Muscle Circumferences, Skinfolds, Standing Isometric Back Extension Strength, College Men

Topic(s):Exercise Science

Presentation Type: Poster

Session: 9-8
Location: Georgian Room - SUB
Time: 4:30

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