Frenkel Exercises

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Frenkel exercises were developed to treat cerebellar ataxia and ataxia.

They are a system of slow repetitious exercises. They increase in difficulty over the time of the program.

The patient watches his hand or arm movements (for example) and corrects them as needed.

Although the technique is simple, needs virtually no exercise equipment, and can be done on one's own, concentration and some degree of perseverance is required: research has shown that 20,000 to 30,000 repetitions may be required to produce results. de A simple calculation will show that this can be achieved by doing 60 repetitions every hour for six weeks in a 16 hour daily waking period. The repetitions will take just a few minutes every hour.

The brain as a whole learns to compensate for motor deficits in the cerebellum (or the spinal cord where applicable).

If the ataxia affects say, head movements, the patient can use a mirror or combination of mirrors to watch his own head movements.

The exercises were developed by Heinrich Frenkel, a Swiss neurologist who, one day in 1887, while examining a patient with ataxia, observed the patient's poor performance of the finger-to-nose test.

The patient asked Dr Frenkel about the test and was told what it meant and that he did not 'pass' the test. Several months later, on re-examination, the patient showed extraordinary improvement in coordination.

Frenkel was astonished by the improvement. He had never seen such an improvement before, which was contradictory to the teaching of the day, and in fact the attitude that cerebellar ataxia is untreatable is widespread in the medical profession today. This attitude is almost always incorrect and in recent years has begun to change with the recognition of brain plasticity.

When Frenkel asked the patient what had happened in the interval, the patient replied, 'I wanted to pass the test and so I practiced.' This event inspired Frenkel to a general assumption: 'If one patient can reduce his ataxia by practice, why not all? Or at least others?' He immediately started to study the problem in a practical manner.

In his book on ataxia, Frenkel states: "The visual sense is the greatest supporting factor in the treatment".

This means the patient must watch his own movements while practicing them.

Frenkel's book states that the best way to perform the exercises is to do them for three minutes using some kind of timer so the exercises become less of a chore. Then the patient should do something entirely different and unrelated for fifteen minutes, say read a book or have a chat. At that point the patient goes back to the exercises for another three minutes when it will be found that the skill has improved to a step higher from when the exercises were last done fifteen minutes earlier. It is thought that the fifteen minute break enables the new neural connections to be created.

These sessions should be done every day for at least six weeks.

The patient can treat himself and obviously in the absence of a medic must do so. However it is better that a physiotherapist is involved. He or she motivates and guides the patient in how to watch himself move. The therapist may also help the patient move where muscular strength is low.

It is very important that the therapist also gives the patient pep talks and motivation. This is because apathy, lack of motivation and clinical depression is very common in cases of cerebellar ataxia and is one of the main reasons for failure of therapy.

Frenkel noted that the patient had to be free from opiate and alcohol use, for instance, in order to achieve the required focus of attention. Present-day drugs such as Valium, which blunt concentration, should be avoided before and during the exercises.

The fact that Frenkel was Jewish may account for his efforts being largely forgotten. The Nazi regime in Germany would have suppressed his work.


  1. Zwecker M, Zeilig G, Ohry A (January 2004). "Professor Heinrich Sebastian Frenkel: a forgotten founder of rehabilitation medicine". Spinal Cord 42 (1): 55–6. doi:10.1038/ PMID 14713947. 
  2. "Frenkel's exercises". Mosby's Medical Dictionary (8th ed.). Elsevier. 2009. 

External links

  • "Frequently Asked Questions about Frenkel's Exercises for Ataxic Conditions". National Ataxia Foundation. Retrieved June 20, 2013. 
  • Barclay, H.V. (1913). "Medical Gymnastics in Locomotor Ataxia: The Frenkel and Other Exercises". The American Journal of Nursing 13 (6): 428–436. 
  • THE FRENKEL SYSTEM OF EXERCISES . British Medical Journal
  • Thomas L. Clouse, M.D. . Walking With Ataxia
  • The investigation of Frenkel’s exercises effect on ataxia, balance, activity of daily living and depression in patients with multiple sclerosis
  • Balance Rehabilitation by Moving Platform and Exercises

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