Navigable waters of the United States are those waters that are subject to the ebb and flow of the tide and/or are presently used, or have been used in the past, or may be susceptible for use to transport interstate or foreign commerce.
The Signs & Symptoms of Friedreich's Ataxia are: 1  loss of coordination (ataxia) in the arms and legs. 2  fatigue - energy deprivation and muscle loss.  vision impairment, hearing loss, and slurred speech.
Symptoms of the following disorders can be similar to those of Friedreichâs ataxia. Careful examination may be useful for differential diagnosis. Ataxia is a group of disorders that are characterized by an unsteady gait caused by the failure of muscular coordination. There are many forms of ataxia.