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The Muscles of the Back That Help Maintain Upright Posture

question 67

Multiple Choice

The muscles of the back that help maintain upright posture while standing still are undergoing what type of contractions?


Definitions:

Variables

Elements, features, or factors that can be changed and measured in an experiment to determine their effects.

Main Effect

In analysis of variance, when a factor or an independent variable has a significant effect upon the outcome variable.

ANOVA

Short for Analysis of Variance, a set of statistical techniques used to compare the means of three or more samples.

Factor

An element that contributes to a particular result or situation, often used as a variable in experiments and statistical analysis.

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