Post Stroke Rehabilitation Exercises for Improved Patient Recovery
Before we look into the patients’ post stroke rehabilitation exercises for improved mental & physical state and best possible physical and mental outcome of stroke survivors, let’s look at some of the stats and risk factors in the USA:
The size of the problem
- Stroke kills more than 130,000 Americans each year—that’s 1 out of every 20 deaths.
- Someone in the United States has a stroke every 40 seconds
- Every 4 minutes, someone dies of stroke.
- Every year, more than 795,000 people in the US have a stroke. About 610,000 of these are first or new strokes.
- About 185,000 strokes—nearly 1 of 4—are in people who have had a previous stroke.
- About 87% of all strokes are ischaemic strokes (blood flow to the brain is blocked).
- Stroke costs the US an estimated $33 billion each year. This total includes the cost of health care services, medicines to treat stroke, and missed days of work.
- Stroke is a leading cause of serious long-term disability; stroke reduces mobility in more than half of stroke survivors age 65 and over.1
Stroke statistics by race and ethnicity
- Stroke is the 5th leading cause of death for Americans, but the risk of having a stroke varies with race and ethnicity.
- Risk of having a first stroke is nearly twice as high for blacks as for whites, and blacks are more likely to die following a stroke than whites are.
- Hispanics’ risk for stroke falls between that of whites and blacks.
- American Indians, Alaska Natives, and blacks are more likely to have a stroke than are other groups.1
Stroke risk by age
- Stroke risk increases with age, but strokes can—and do—occur at any age.
- In 2009, 34% of people hospitalized for stroke were under 65 years old.1
Stroke survivors are at high risk for recurrent strokes. Most patients that have a stroke often have significant atherosclerotic lesions in their vascular system and are therefore have a higher risk of recurring strokes and heart disease, causing mortality.
Coronary artery disease (CAD) and ischaemic stroke are often associated with high blood pressure, abnormal level of blood lipids and lipoproteins, smoking, lack of exercise, obesity and type II diabetes. Changes in medication and lifestyle are therefore crucial in the prevention of recurrent stroke and heart disease in stroke survivors. It is therefore very important that survivors implement post stroke exercises to recover physical ability as soon as possible, and as often as possible.
Stroke rehabilitation exercises
Primary neurological disorders caused by stroke include hemiplegia (paralysis on one side), spasticity (arm and leg muscles cramp or spasm) and aphasia (making mistakes with words, sometimes using the wrong sounds in a word, choosing the wrong word, or putting words together incorrectly. These disorders cause activity limitations, making previous simple daily activities difficult, such as bathing, dressing or walking.
Stroke survivors will need to adapt, learn to cope and go through rehabilitation. Roughly 14% of stroke survivors achieve a full recovery in physical function, between 25%-50% require some daily-living assistance and half experience severe long-term effects, such as partial paralysis.
The oxygen cost of walking or exercising in hemiplegics compared with able-bodied persons of similar weight. In some cases, the reduced mechanical efficiency and concomitant increased energy cost of walking can be up to double that of able-bodied persons.
Because daily activities and exercise can be more tiring compared with able-bodied persons, stroke survivors can suffer an intolerance to exercise, causing reduced cardiovascular fitness, muscle atrophy, osteoporosis and impaired circulation in their lower extremities. This can lead to further complications of a thrombus formation, decubitus ulcers, or both. Mentally, adjusting to their new situation and dependence on others can have a deep psychological impact, such as deep depression. This in turn causes a lack of impetus to put in the hard work necessary to recover as far as possible, causing a vicious circle and spiral downward into overall ill health.
Post stroke recommendations
Three major rehabilitation goals for the stroke patient are to:
- prevent complications of prolonged inactivity,
- decrease recurrent stroke and cardiovascular events, and
- increasing aerobic fitness.
Rehabilitation programs also concentrate on improving the patient’s quality of life, functional capacity and mobility (eg, increasing gait velocity), neurological impairment, and motor function (eg, lowering the energy cost of a hemiparetic gait). It is crucially important that the patient’s mental state is taken into account and not ignored, as this will have an overall impact on the best possible recovery possible.
Reduction in risk factors
An obvious recommendation is to look at the risk factors that potentially caused the stroke, such as an unhealthy work/life balance, unhealthy diet, lack of exercise, smoking, genetic factors (such as high levels of cholesterol). Studies indicate that a major rehabilitation goal is to improve cardio-respiratory fitness. As mentioned above, the patient’s mental health must be taken into account at all times, as post-stroke depression is common and depression can lead to isolation and hence a lack of exercise leading to high risk factors for stroke recurrence and a vicious cycle.
A supervised rehabilitation programme is crucial, as with many chronic disorders. During this time period stroke survivors will be able to feel the benefits of daily exercise, understand the type of exercises that are beneficial to their specific physicality, how to implement them safely (technique) and for some, remove the fear or feeling of intimidation of going to the gym.
Aerobic exercise such as walking on a treadmill or cycling on active passive exercise bikes could also be implemented at the rehabilitation centre, at home, or at the gym.
Effects of stationary cycling exercise on stroke patients
Stationary cycling training has been found to have a positive effect on dynamic balance as measured by using the TUG test*, most likely due to muscle strengthening. The effectiveness of cycling training in improving locomotor function is similar to the effectiveness of treadmill exercise in stroke patients.
Cycling exercise improves gait abilities in chronic stroke patients because repetitive bilateral training and treadmill walking with or without suspension have a positive effect on walking ability. Because stationary cycling exercise employs reciprocal movement of the lower limbs and requires coordination of corresponding muscles, the gait ability is increased.
Cycling training stimulates motor regions in the central nervous system and activates the cerebral cortex which eventually improves motor learning and balance. This effect certainly applies to chronic stroke patients. Based on the results, stationary cycling training can be effective stroke rehabilitation exercises for patients with gait and dynamic balance deficits.4
Rhythmic arm cycling could reduce spasticity in arm muscles, by helping to engage the neural mechanisms regulating rhythmic arm movement. Therefore upper and lower limb cycling can improve motor function post stroke.5,6
*The Timed Up and Go test (TUG) is a simple test used to assess a person’s mobility and requires both static and dynamic balance. It measures the time that it takes a person to rise from a chair, walk three meters, turn around, walk back to the chair, and sit down.
Improving overall fitness, stamina and strength are crucial not only for regaining some if not all physical range of movement and capability, but also for improved mental health and social isolation prevention. If a stroke survivor is finding it difficult to deal with due to their mental state, such as depression, they will find it harder to exercise and therefore improve during their rehabilitation / recovery period. It is imperative that the patient’s mental state, as well as their physical state, is monitored. Where necessary, the patient should be referred for psychological therapy in order to improve their mental state, with positive repercussions for their physical state.
- CDC Centers for Disease Control and Prevention https://www.cdc.gov/stroke/facts.htm
- Physical Activity and Exercise Recommendations for Stroke Survivors. AHA Scientific Statement. Neil F. Gordon, Meg Gulanick, Fernando Costa, Gerald Fletcher, Barry A. Franklin, Elliot J. Roth, Tim Shephard http://ow.ly/6jHq30epM1p
- Treadmill Exercise Rehabilitation Improves Ambulatory Function and Cardiovascular Fitness in Patients With Chronic Stroke A Randomized, Controlled Trial Richard F. Macko, MD; Frederick M. Ivey, PhD; Larry W. Forrester, PhD; Daniel Hanley, MD; John D. Sorkin, MD, PhD; Leslie I. Katzel, MD, PhD; Kenneth H. Silver, MD; Andrew P. Goldberg, MD
- Effects of stationary cycling exercise on the balance and gait abilities of chronic stroke patients Sung-jin Kim, PT, MS, Hwi-young Cho, PT, PhD, You Lim Kim, PT, MS, and Suk-min Lee, PT, DDS, PhD,* J Phys Ther Sci. 2015 Nov; 27(11): 3529–3531. Published online 2015 Nov 30. doi: 10.1589/jpts.27.3529 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4681938/
- Neural control of rhythmic arm cycling after stroke, E. Paul Zehr, Pamela M. Loadman, and Sandra R. Hundza. Journal of Neurophysiology, 2012 Aug 1:108(3): 891-905 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3424097/
Published online 2011 Jun 20.https://www.ncbi.nlm.nih.gov/pubmed/21734906