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.
Related to limb ataxia: NIH Stroke Scale limb ataxia Inability to make smooth, coordinated movements of an arm or a leg, as when trying to touch an examiner's finger with an index finger or when trying to run one's right or left heel straight down the opposite shin. Limb ataxia is present when a limb that has no deficits in strength wobbles during movement or misses its target.