A Therapist Is Working with an Outpatient Who Has Parkinson

Multiple Choice

A therapist is working with an outpatient who has Parkinson disease on improving her gait pattern.The therapist is concerned because the patient does not show reciprocal arm swing during gait.When asking her supervisor if the lack of arm swing is due to rigidity,the supervisor says,"Could be,but first,let's see what happens if you have the patient walk faster and take bigger steps".The supervisor's suggestion reflects an appreciation of which of the following motor control theories:

A) Perception-Action Theory
B) Dynamic Pattern Theory
C) Dynamic Systems Theory
D) Hierarchical Reflex Theory