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While most people, including researchers, are interested in the benefits of FES-cycling for people with spinal cord injuries, a growing body of evidence is now spurring research into the benefits for other disease categories.

In a recently completed French study (NCT02594722), researchers asked whether FES-cycling might improve aerobic capacity in a range of breathing conditions called chronic obstructive pulmonary disease (COPD).

COPD is a progressive and potentially fatal disease that makes it hard to breathe. COPD includes people with emphysema and chronic bronchitis, and it affects an estimated 64 million people around the world, according to the World Health Organization.

In this first study of FES-cycling for COPD, the researchers enrolled 25 COPD patients. The study participants completed two measured sessions to see if FES-cycling improves certain metabolic and cardiovascular outcomes during endurance exercise. Participants were divided into two groups: an experimental group that participated in active FES-cycling and a placebo group that experienced sham FES (low level stimulation with no significant muscle contractions).

In each session, participants underwent 30 minutes of constant load cycling while the researchers measured oxygen uptake, ventilation equivalent for oxygen, ventilation equivalent for carbon dioxide, cardiac output, and lactate values, as well as perceived difficulty in breathing and perceived muscle fatigue.

The results of the study demonstrate significantly increased VO2 average (oxygen uptake) for the FES-cycling session compared to the non-FES session and a significant increase in lactate after the FES-cycling compared to standard session.

VO2 measures the body’s ability to consume oxygen, and higher lactic acid levels indicate more strenuous exercise. COPD patients have impaired lung function, which limits their ability to achieve sufficient exercise intensity to benefit from it. Thus, the higher average VO2 and lactate levels achieved by the COPD patients after FES-cycling indicates that the added FES increased the effective exercise intensity, potentially enabling people with COPD to achieve greater health benefits from exercise augmented by FES.

“These physiological results suggest that FES-cycling can improve cardiovascular and metabolic responses to exertion,” wrote the study authors. “To the best of our knowledge, no studies have evaluated the potential benefits of FES-cycling in patients with COPD.”

If further research corroborates this study, then the number of people around the world who might use FES-cycling to improve their health could vastly grow beyond people with spinal and neurological disorders, as there are over 3 million cases of COPD each year in the US alone.

MYOLYN’s mission is to improve health and human performance by empowering people to move. That vision drove the development of both clinical and home versions of the MyoCycle, which combines isokinetic cycling and FES into a single system to improve outcomes. While the MyoCycle was originally designed for people with paralysis, it has the potential to empower millions of other people to improve their own health by moving better. If you or someone you love is interested in the benefits of FES-cycling, please contact MYOLYN today!

Source: BMJ Open Respiratory Research, April 12, 2016

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4838753/

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While a number of studies have demonstrated the benefits of FES-cycling therapy for people who have had a stroke, the question Italian researchers wanted to answer is whether FES-cycling might be better than standard physiotherapy for recovering functional motion.

To answer this question, the researchers recruited 16 patients who experienced their first stroke less than 6 months prior to enrolling in the study. All patients were over 18 years old and were evaluated before and after therapy training using standard measures of function including gait analysis and volitional cycling ability.

Participants were randomly assigned to FES-cycling therapy or standard physical therapy. Both groups were compared to an age-matched healthy group. Participants underwent 75 minutes of training a day for 15 days. In the FES group, the training consisted of 25 minutes of FES-assisted cycling and 50 minutes of standard therapy. The comparison group did 75 minutes of standard physiotherapy, including strength and stretching exercises, gait training, and hand rehabilitation.

At the end of the intervention, participants underwent testing and evaluation by therapists who were unaware of the group to which the patients belonged. The tests included functional evaluation, 6-minute walk test, and a cycling test, where patients were asked to volitionally pedal at four different velocities (20, 30, 40 and 50 revolutions per minute).

A comparison of the FES-cycling and standard therapy groups showed that both obtained similar improvements in functional performance as a result of the intervention (45.2% and 47.9% improvement for the FES-cycling and standard therapy groups, respectively).

Analysis of the gait speed and double support time (how long both feet are on the ground during walking) showed that the FES-cycling group experienced greater improvements in both of these measures as compared to the standard therapy group. Specifically, the FES-cycling group experienced a 35.4% increase in gait speed and a 33.8% reduction in double support time, while the standard therapy group only had a 24.3% increase in gait speed and a 23.0% reduction in double support time.

The greatest differences between the FES-cycling and standard therapy groups were highlighted by the cycling test. Patients in the FES-cycling group could produce significantly more power with their affected leg (30.5% versus 11.1% improvement in the control group) with a more symmetrical and efficient pedaling motion.

The researchers concluded that these preliminary results suggest that FES-assisted cycling training is safe and effective for improving both cycling and walking ability in post-acute elderly stroke patients. In fact, FES-assisted cycling training is at least as effective as standard physiotherapy and, in some measures, is more effective.

The study did not look at the benefits of FES-cycling therapy that have been shown in other studies, such as improved exercise capacity, aerobic capacity and cardiopulmonary function. It also was limited to 15 sessions and the authors said the preliminary results indicated that 15 sessions may not be enough to show a significant difference between the two groups.

While FES-cycling has long been associated with benefits to people with spinal cord injury, a growing body of research is showing that people with other neurological disorders such as stroke may have as much or more to gain from FES-cycling.

If you or someone you love has had a debilitating stroke and is interested in FES-cycling, contact us today to learn how an affordable MyoCycle Home can become part of your recovery and rehabilitation program and enable you to gain the benefits of standard physical therapy from the comfort of home.

 Source: European Journal of Translational Myology, Sep. 2016

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5128967/

 

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