PML can have a significant and sometimes lasting impact on physical health and neurological functioning. Depending on the areas of the brain affected, people may experience weakness or paralysis, impaired balance and coordination, difficulty walking, changes in muscle tone, visual problems, fatigue, or difficulties performing everyday activities
For people recovering from PML, maintaining physical health and functional ability can therefore be an important part of long-term care. However, the appropriate level and type of activity can vary considerably. What is safe and beneficial for one person may be too demanding for another.
The goal is not necessarily to become physically active in the way a healthy person might be. It is to maintain or improve function, preserve independence, prevent avoidable complications, and support quality of life, within the individual’s abilities and medical circumstances.
Work with healthcare and rehabilitation professionals
Patients recovering from PML should work with their healthcare and rehabilitation team to develop an individualized plan for physical activity, nutrition, and everyday functioning.
The plan may need to take into account neurological symptoms, strength and mobility, balance, fatigue, cardiovascular health, medications, swallowing difficulties, weight, nutritional status, and other medical conditions.
A rehabilitation professional can also help identify activities that are appropriate and safe, establish realistic goals, and monitor progress over time. In some cases, the most useful objective may not be increasing exercise, but maintaining an existing ability or preventing further loss of function.
Nutrition is another important component of general health. A balanced and varied diet can help provide the energy and nutrients needed to maintain muscle mass, support recovery, and promote overall health. Nutritional needs may be different for people who have difficulty eating, swallowing, preparing meals, or maintaining an adequate intake.
Adequate hydration is also important. People with neurological disabilities may sometimes be at increased risk of dehydration because drinking independently can be difficult, fatigue may interfere with regular fluid intake, or swallowing problems may be present. If swallowing is difficult, fluid intake should be discussed with a healthcare professional rather than simply increasing fluids independently.
Stay physically active within your abilities
Physical activity can provide important benefits, but it needs to be adapted to the person’s neurological condition.
Depending on individual abilities, appropriate activity might include walking, supported standing, stretching, range-of-motion exercises, gentle strengthening, seated exercises, balance activities, or other forms of therapeutic movement.
Regular movement may help maintain muscle strength and flexibility, support cardiovascular health, reduce stiffness, improve balance and mobility, and contribute to emotional wellbeing. For some people, physical activity can also help maintain confidence in using their body after a period of severe disability or prolonged hospitalization.
However, more exercise is not necessarily better. Fatigue can be a significant and sometimes underestimated consequence of neurological illness. Excessive activity may leave a person exhausted and reduce their ability to participate in rehabilitation or everyday activities.
For this reason, activity should generally be introduced gradually and adjusted according to the person’s response. Rest and recovery are part of the rehabilitation process, not signs of failure.
Physical therapy and neurorehabilitation
Physical therapy can play an important role in helping PML survivors improve or maintain strength, balance, coordination, mobility, motor control, and functional independence.
The specific rehabilitation program should be based on an individual assessment. A therapist may work on walking, transfers, standing, balance, upper- and lower-limb function, coordination, posture, muscle tone, and the ability to perform everyday movements.
Neurorehabilitation is often most useful when exercises are connected to meaningful functional goals. Rather than focusing exclusively on isolated muscle movements, therapy may involve practicing activities that are relevant to the person’s daily life—for example, getting out of a chair, walking safely, climbing steps, reaching for an object, or moving around the home.
Different rehabilitation concepts and techniques may be incorporated depending on the individual’s needs and the therapist’s expertise. The Bobath Concept, for example, emphasizes postural control, movement coordination, alignment, and the facilitation of functional movement. Other approaches may place greater emphasis on repetitive, task-oriented practice and functional movement re-education.
These approaches should not be viewed as mutually exclusive, and there is no single rehabilitation method that is appropriate for every person recovering from PML. A qualified physical therapist or neurorehabilitation specialist can determine which techniques and exercises are appropriate based on the individual’s neurological condition, abilities, goals, and response to therapy.
Prevent falls and make everyday activities safer
Balance problems, weakness, impaired coordination, visual difficulties, and fatigue can increase the risk of falls. For some PML survivors, fear of falling can subsequently lead to reduced activity, which may contribute to further loss of strength and confidence.
Fall prevention should therefore be considered part of rehabilitation. A therapist may assess walking and balance, transfers, footwear, the use of mobility aids, and the safety of the home environment.
Simple environmental changes—such as improving lighting, removing obstacles, installing appropriate handrails, or reorganizing frequently used objects—may make everyday activities safer.
Assistive devices such as a cane, walker, wheelchair, orthosis, or other equipment may also be appropriate for some people. Using an assistive device should not necessarily be understood as a loss of independence. In many situations, the right device can increase independence by allowing a person to move more safely and conserve energy.
Occupational therapy and everyday independence
PML can affect much more than walking. A person may have difficulty dressing, preparing food, writing, using a computer, shopping, managing medication, or carrying out other familiar tasks.
Occupational therapy can help people find practical ways to perform these activities despite neurological limitations. This may involve practicing specific tasks, adapting the environment, recommending assistive equipment, or developing alternative strategies.
The objective is not simply to restore movement, but to help the person participate as independently as possible in the activities that are important to them.
This can be particularly valuable when complete recovery of a particular function is not possible. Learning a different way to accomplish a task can sometimes make a substantial difference to everyday life.
Speech, language, cognitive, and swallowing rehabilitation
PML can also affect communication and cognitive functioning. Depending on the areas of the brain involved, survivors may experience difficulties with speaking, understanding language, reading, writing, attention, memory, planning, problem-solving, or processing information.
Speech-language pathologists can assess and treat communication difficulties using individualized exercises and strategies. Therapy may address speech production, language comprehension and expression, reading and writing, or cognitive-communication skills.
Cognitive rehabilitation may focus on practical strategies for attention, memory, organization, problem-solving, and managing everyday tasks. The aim is not always to restore cognitive abilities completely, but also to develop strategies that allow the person to function more effectively despite persistent difficulties.
Swallowing problems, known as dysphagia, can also occur following neurological injury. Difficulty swallowing can increase the risk of choking, aspiration, dehydration, or inadequate nutrition. A speech-language pathologist or other appropriately trained professional can assess swallowing and recommend individualized strategies, exercises, or dietary modifications when necessary.
Communication and cognitive difficulties may overlap, and rehabilitation is often most effective when professionals work together. Depending on the individual’s needs, this may involve speech-language pathologists, neuropsychologists, occupational therapists, physical therapists, physicians, nurses, dietitians, and other specialists.
Manage energy and fatigue
Fatigue deserves particular attention in long-term recovery from PML. Neurological fatigue can be different from ordinary tiredness and may occur even after relatively modest physical or cognitive activity.
Learning to manage energy can therefore be as important as increasing activity. Some people benefit from alternating activity and rest, breaking complex tasks into smaller steps, planning demanding activities for the time of day when they have more energy, and avoiding unnecessary exertion.
A useful rehabilitation plan should consider not only what a person can do, but how much energy an activity requires and what happens afterwards.
Focus on meaningful goals
Recovery after PML is rarely defined by a single outcome. For one person, the goal may be walking independently. For another, it may be being able to communicate more easily, prepare a meal, return to work, use a computer, go outside alone, or participate more actively in family and social life.
Meaningful rehabilitation goals should therefore be personal and functional rather than based only on standardized measures.
Progress may sometimes be dramatic, but it can also be very gradual. Maintaining an ability that might otherwise have been lost, reducing the need for assistance, or finding a safer and more efficient way to perform an everyday activity can represent meaningful progress.
At the same time, not every impairment can be completely reversed. Rehabilitation should therefore combine efforts to recover function with strategies for adaptation and compensation when necessary.
Rehabilitation is a long-term process
For many PML survivors, rehabilitation does not end when they leave hospital. Needs may change over time as recovery progresses, new difficulties emerge, or the person’s goals change.
Regular reassessment can help determine whether a rehabilitation program should be continued, modified, or expanded. Even after substantial recovery, periodic professional review may be useful when there are changes in mobility, balance, strength, cognition, communication, or daily functioning.
Ultimately, physical health after PML is not simply about exercise. It involves movement, nutrition, hydration, rehabilitation, fatigue management, safety, independence, and participation in everyday life.
The most appropriate approach will be different for every survivor. The objective is not to force the body to perform beyond its limits, but to help each person make the best possible use of their abilities, reduce avoidable risks, and maintain as much independence and quality of life as possible.