Hemiparesis Following a Stroke Is a Significant Contributor to Functional

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