To determine if the Phoenix sign can be reliably elicited with non-guided subcutaneous infiltration of D5W (5% Dextrose in Water) in patients with subclinical weakness of the extensor hallucis longus (EHL) muscle.
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Changes in motor strength of dorsiflexion of the anterior and lateral compartments of the lower extremity
Timeframe: From enrollment to end of their treatment at 1 day
Presence of absence of increase in motor strength of the lower extremity in dorsiflexion
Timeframe: From enrollment to the end of the day
Number of subjects that have increased dorsiflexion strength after D5W infiltration
Timeframe: Enrollment to end of clinic vist in 1 hour