Hemiparesis Following a Stroke Is a Significant Contributor to Functional

question 3

Multiple Choice

Hemiparesis following a stroke is a significant contributor to functional limitations.Which of the following is an accurate description of the neural and/or structural muscle factors that underlie impaired force production in a patient with subacute stroke?

• A)Reduced number of functioning motor units and selective loss of type II muscle fibers
• B)Reduced motor unit innervation ratios and transsynaptic degeneration at the spinal motor neurons
• C)Reduced motor unit activation and reduced percentage of type I muscle fibers
• D)Reduced regulation of motor unit firing rate and selective loss of type I muscle fibers

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Definitions:

Cost

The required expenditure or investment of resources, such as time, money, or effort, in order to obtain a product or achieve an objective.

Strong Manipulation

An experimental approach that involves significant alterations to the independent variable to observe a clear effect on the dependent variable.

Many Manipulations

A research approach that involves altering several variables independently to observe their individual or combined effects.

Costly Manipulation

A strategy or action in experiments that involves significant resources, time, or effort to influence participants' behavior or outcomes.