Related Disorders. 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.elated Disorders. 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.
Signs and symptoms of an ACL injury usually include: 1  A loud pop or a popping sensation in the knee. 2  Severe pain and inability to continue activity. 3  Swelling that begins within a few hours.  Loss of range of motion.
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