From the list provided, select the signs associated with Parkinson's disease?

a. resting tremor
b. pin-rolling movement
c. shuffling gait
d. nonresting tremor

a,b,c. The classic triad of Parkinsonism is a resting (at rest) tremor, muscle rigidity, and bradykinesia. The tremor begins as a fine "pin rolling" of one hand at rest and later affects the rest of the body including the legs, arms, jaw, tongue, and eyelids. The individual has a slow moving shuffle or "short step" walk (gait).