  One of critical components of Loop Quantum Gravity (LQG) and Cosmology (LQC)
-- Thiemann regularization procedure is non-unique. Different choices of
particular prescriptions lead to models which differ in both mathematical
structure and physical predictions. Here we briefly recall a set of such
prescriptions proposed in the literature in context of isotropic LQC on the
example of a flat universe with massless scalar matter content. For the one
least investigated so far, further called Yang-Ding-Ma prescription, a detailed
analysis of its mathematical structure and resulting quantum dynamics is
performed, confirming and extending the results obtained so far by
phenomenological methods. In order to probe the dynamics, a relatively robust
method (working in the approximation of the macroscopic universe) of evaluating
quantum trajectories is devised. Said method is a variant of a semiclassical
treatment that allows to express the trajectories analytically as function of
internal clock and a set of certain central moments -- constants of motion
encoding quantum corrections up to arbitrary order in systematic manner. As a
test of method's robustness analogous evaluation of the quantum trajectory in
volume is performed for those of other prescriptions, for which it is
applicable. The limitations of the treatment are further briefly discussed.
