The combination of exercise and mindfulness training can help reduce fatigue in breast cancer survivors


Researchers at the University of Illinois Urbana-Champaign have found that a combination of exercise and mindfulness training can help reduce fatigue in breast cancer survivors.

The results from their preliminary trials might be useful in designing interventions for other cancer patients.

The study “Acute effects of aerobic exercise and relaxation training on fatigue in breast cancer survivors: A feasibility trial” was published in Psycho-Oncology.

“When it comes to cancer patients, hospitals treat the disease. However, treating the patients is equally important and sometimes that aspect is overlooked,” said Jason Cohen, a former graduate student from Sean Mullen’s Exercise, Technology, and Cognition Laboratory, which is affiliated with the Beckman Institute for Advanced Science and Technology.

“We wanted to look at improving the quality of life in breast cancer survivors after chemotherapy.”

After enduring rigorous cancer treatments, the survivors often experience mental and physical fatigue, anxiety, and poor sleep.

Although other researchers have found that either exercise or relaxation techniques help relieve fatigue, there are very few studies that have tested them in combination. “We wanted to see if there were any added benefits,” Cohen said.

The trial took place over seven days, and it included 40 women. The participants were asked to fill out questionnaires about their perceived fatigue levels.

They were then divided into three groups where they were asked to either exercise or undergo mindfulness training or a combination of both.

“We found that initially all the participants had a moderate level of self-reported mental fatigue,” Cohen said. “Over the course of the week, the groups that took part in a combination of exercise and mindfulness training reported a drop in fatigue levels from moderate to mild. The other groups did not show a comparable degree of improvement.”

“These findings parallel the ones that my team has collected from other studies involving aerobic exercise paired with brain training,” said Sean Mullen, an associate professor of kinesiology and community health.

“Although each of our studies are different in aims, scope and population, our research consistently supports the idea that two health behavior interventions is better than one.

Sometimes it is assumed that in merging them together, we end up watering down their unique effects. In our experience, they tend to work just as well, if not better, together.”

The researchers hope to use the information from the trial as preliminary data in future grant applications. In doing so, they hope to increase sample size and trial duration to assess whether the intervention can provide a more robust improvement on quality of life.

“When expanding behavioral interventions, the key is not to overwhelm participants with too much new information and to offer sufficient education, training and resources to ensure they stick with the program,” Mullen said.

The researchers are continuing to explore opportunities to work with other adult populations with and without chronic disease, using a variety of intervention modalities, to determine if combined treatments are helpful.

Over 1.6 million Americans will be diagnosed with cancer in 2012, adding to the approximately 12 million Americans already living with a diagnosis of cancer.1The vast majority of these cancer patients are receiving or have completed treatment for their disease. The overall survival rate for all types of cancer has increased from less than 50% in 1975 to over 68% in 2012.1

Therefore, many Americans with a wide variety of cancers are living beyond the historical 5-year survival marker. The number of cancer survivors will continue to increase with continued improvements in screening and treatment. Despite these improvements, however, many cancer survivors suffer from the acute, chronic, and late side effects of treatment.

Acute side effects are those which develop during treatment and last a short time (days, weeks, or months); chronic side effects develop during treatment and persist for months to years, and late side effects arise months or even years after treatments are complete.

All of these side effects negatively impact cancer patients and survivors during, immediately following, and long after treatments. Exercise is an effective therapeutic intervention for preparing patients to successfully complete treatments, managing acute, chronic and late side effects and improving quality of life (QOL).


Treatments for cancer often include surgery, chemotherapy, radiation therapy, hormone therapy and/or a combination of these modalities. These treatments lead to a myriad of physical and psychological side effects which subsequently interfere with a cancer patient’s ability to complete treatments as prescribed, function independently, perform activities of daily of living, and live with a high quality of life.

Side effects are especially burdensome in older adults who are at greatest risk for functional impairment after cancer treatment. Among the most onerousside effects stemming from cancer and its treatments are cancer-related fatigue (CRF), cognitive impairment, sleep problems, depression, pain, anxiety, and physical dysfunction including impaired muscular function, reduced cardiopulmonary function, and decreased bone mineral density.

Cancer-Related Fatigue

CRF is defined as “a distressing, persistent, subjective sense of physical, emotional and/or cognitive tiredness or exhaustion related to cancer or cancer treatment that is not proportional to recent physical activity and interferes with usual functioning.”2 CRF is differentiated from other types of fatigue by the timeline in which it occurs (i.e., after a cancer diagnosis or treatment), its severity and persistence, the inability to alleviate it through rest, and its negative impact on function and overall QOL.3-7 ENREF 3 CRF is the most common symptom experienced by patients and survivors ENREF 84-6,8-21 Patients report CRF from the time of diagnosis through treatment completion and often during the months or years after treatments are complete.5-7,22,23 ENREF 2

Nearly all cancer patients who are undergoing treatment report CRF, and almost half report their CRF as severe.5-7,22CRF is a chronic problem in over two-thirds of cancer survivors, and nearly 40% describe it as severe for at least six months following treatment.5-7,22CRF is more common, more severe, and persistent in patients who receive more than one type of treatment.5-7,22

CRF is a dose-limiting toxicity resulting from established therapies and from newer targeted agents (such as tyrosine kinase inhibitors), ultimately limiting their effective use alone and in combination with other agents.24

CRF is associated with variety of co-morbidities such as sleep problems, depression, pain, medication side effects, nutritional imbalance, and physical inactivity.5-7,22

CRF is often described by patients as the most distressing side effect of treatment, even more so than nausea, vomiting, sleep problems, pain, and depression, due to its impact on their ability to perform activities of daily living and QOL.5-7,22

Cognitive Problems

Cognitive impairments (e.g., problems with memory, attention, and executive function), for which there is no treatment, are a clinically significant problem for up to 75% of breast cancer patients during chemotherapy and persist in 20-35% of survivors during the years following treatment.25-32

Patients receiving chemotherapy have much greater difficulty with cognitive function than patients receiving radiation treatments.33 These cognitive problems can have a severe negative effect on the mental and physical well-being of patients and impair function (e.g., activities of daily living) and QOL.

For example, one study found that 57% of women with breast cancer were unable to do their jobs as effectively, unable to maintain the same job, or unable to work at all following chemotherapy due to difficulty with memory, maintaining attention, and accomplishing tasks requiring executive function.29,34

Sleep Problems, Depression, Pain, and Anxiety

Between 30% and 50% of cancer patients report sleep disruption.35 ENREF 36

Poor sleep quality is common among cancer patients and survivors; it is several times more prevalent than in the general population.35,36

Patients and survivors who spend a significant amount of time napping report increased sleep problems.37

Additionally, 10-25% of cancer patients report depression.38 Pain is also common; 45-59% of cancer patients and survivors report pain.39 Anxiety is reported by approximately half of cancer patients and survivors; 20% meet the clinical criteria for an anxiety disorder.40

Physical Dysfunction

Cancer and its treatments can lead to impaired muscle function through atrophy and loss of strength.41,42

Reduced muscle mass and strength impair a cancer patient’s ability to perform activities of daily living and remain independent during and following treatment, which is of particular concern among older patients.43,44

Chemotherapy and radiation treatments may also lead to cardiac and pulmonary dysfunction.4,5,45Patients treated with anthracyclines, taxanes and/or trastuzumab may develop acute or chronic cardiac dysfunction and, in some cases, the maximum cumulative dose for these agents is limited due to potential cardiomyopathy.46,47

ENREF 49 Cardiotoxicities can develop during treatment or become manifest years after treatment completion.48 Radiation to the chest increases the risk of cardiac damage.49Patients treated with methotrexate and bleomycin may develop pulmonary toxicities.50-53

Patients treated with chemotherapy, oophorectomy, and aromatase inhibitors often decrease production of endogenous estrogens and develop premature menopause leading to reduced bone mineral density and an increased risk of fracture.54-56


Older adults are at a greater risk of developing cancer than those who are younger. In the U.S., approximately 60% of new cancer diagnoses occur in those who are 65 years of age or older.57

Compared to older adults without a history of cancer, older cancer survivors suffer from a greater incidence of frailty and more limitations in activities of daily living, lower self-rated health, reduced QOL, and a greater prevalence of geriatric syndromes such as dementia, depression, falls, incontinence, and osteoporosis.ENREF 4443,44,58


The selection of cancer treatments is based on numerous factors including the type and stage of cancer and the patient’s underlying health status.45The type of cancer, types of treatments, and underlying health status of the cancer patient and survivor influence the development, type and severity of side effects.59-61

Exercise is an effective intervention for improving side effects such as CRF, cognitive impairment, sleep problems, depression, pain, anxiety and physical dysfunction including impaired muscular function, cardiopulmonary function and bone density. Exercise can be individually tailored to the specific needs of each cancer patient or survivor.6,7,22,62-100

Exercise is an effective behavioral intervention with the potential to mitigate multiple side effects and improve physical function in older cancer patients and survivors as well.101-105

Aerobic Exercise During and Following Treatment

Aerobic exercise utilizes large muscle groups for prolonged periods of time.106Examples of aerobic exercises include walking, running, cycling, and swimming.106

Aerobic exercise is an effective intervention for CRF, sleep disruption, depression, anxiety, cardiopulmonary function and QOL among cancer patients and survivors.64,66,71,74,78,82,91,93-95,97-100

Aerobic exercise is beneficial when performed by cancer patients who are undergoing treatment. Mock and colleagues reported that home-based walking at a moderate intensity (50-70% of maximum heart rate), performed for 10 to 45 minutes per day, 4 to 6 days per week, for one to six months, during chemotherapy and radiation treatment for breast cancer reduced CRF, sleep disruption, depression, and anxiety while improving cardiopulmonary function and QOL.84-86,107 ENREF 90 ENREF 90

Another study in female breast cancer patients who were undergoing chemotherapy concurrent with participation in a progressive aerobic exercise intervention showed improvements in anxiety. The exercise intervention began with 3 sessions per week, 15 minutes per session at 60% of VO2peak and progressed to 45-minute sessions at 80% of VO2peak. The patients used a treadmill, cycle ergometer, or elliptical trainer.67

Prostate cancer patients undergoing radiation treatments while participating in a moderate intensity (60-70% maximum heart rate) home-based walking program for 30 minutes a day, 3 days a week for 10 weeks reported improvements in CRF and cardiopulmonary function compared to usual care controls.98

Colorectal cancer patients who received chemotherapy and engaged in a moderate intensity walking (65-75% maximum heart rate) and flexibility program for 20 to 30 minutes per day, 3 to 5 days per week showed improvements in CRF, depression, anxiety and cardiopulmonary function.

They also reported greater functional, physical, and emotional well-being and higher QOL than controls.66Aerobic exercise has also been shown to improve sleep quality in cancer patients and survivors. Breast cancer survivors receiving hormonal treatment who engaged in a home-based moderate-intensity walking intervention 4 times per week, 20 minutes per day reported improved sleep quality.108

Dimeo and colleagues assessed the benefits of a cycle ergometer exercise intervention in cancer patients who had undergone surgery for lung or gastrointestinal tumors. Patients were prescribed a stationary cycle intervention for 30 minutes per day, 5 days per week, for 3 weeks and reported improvements in CRF, physical performance, and global health.71

Dimeo and colleagues performed another cycle ergometer exercise intervention in cancer patients who were receiving high-dose chemotherapy followed by autologous peripheral blood stem cell transplantation. The intervention consisted of a moderately intense bed cycle ergometer interval program.

Patients performed 1 minute intervals at 50% of heart rate reserve followed by 1 minute of rest, for a total of 30 minutes, 7 days per week. Patients who exercised reported less CRF and psychological stress than usual care controls.70

Aerobic exercise also has beneficial effects following treatment. Breast cancer survivors who had completed treatment were given a moderate intensity cycle ergometer intervention, three times per week for 15 weeks. Sessions were 15 minutes in duration during weeks 1 through 3 and progressed to 35 minutes by weeks 13 through 15. Participants in the exercise group showed significant improvements in cardiopulmonary function and QOL.109

Resistance Exercise During and Following Treatment

Resistance exercise involves muscle contraction against resistance and leads to improvements in muscular function and bone density.106 Resistance can be achieved by using hand-held dumbbells, resistance bands, or even body weight.106Resistance training is safe, reduces side effects, and improves QOL when performed during and following cancer treatment.69,89,90,92,110

During chemotherapy for breast cancer, resistance training, consisting of 2 sets of 8 to 12 repetitions three times per week for the duration of chemotherapy, resulted in an increase in upper and lower body strength and lean body mass when compared to a usual care control group.67Courneya and colleagues also found that breast cancer patients undergoing chemotherapy were able to tolerate higher relative doses of chemotherapy if engaging in resistance exercise.67

Resistance training is safe and efficacious for breast cancer survivors who have recently completed primary treatment. Schmitz and colleagues implemented a twice weekly resistance training intervention lasting 6 to 12 months. The intervention was safe and resulted in decreased body fat and increased lean body mass.89

Ahmed and colleagues also assessed the safety of resistance training in breast cancer survivors who had recently completed treatment. Twice weekly resistance training, lasting for 6 months, did not result in any change in arm circumference in participants and therefore did not seem to contribute to the development of lymphedema.62

Breast cancer survivors who performed moderate intensity resistance training in addition to jump/impact training three times per week for one year benefited from a reduction in fracture risk due to preservation of bone mineral density at the lumbar spine in comparison to a control group.

This preservation may be particularly beneficial for breast cancer survivors taking aromatase inhibitors.111A progressive, moderate intensity resistance and impact training intervention, including jumping exercises, preformed 3 times per week for one year was found to preserve bone mineral density in the lumbar spine in breast cancer survivors on aromatase inhibitors. Resistance training performed 3 days per week for 12 weeks by prostate cancer survivors receiving and rogen deprivation therapy resulted in improved CRF, cognitive function, QOL, and muscular strength.92

Combined Aerobic and Resistance Exercise

Researchers have also assessed the benefits of exercise programs that combine aerobic and resistance exercise on cancer- and treatment-related side effects. Mustian and colleagues showed the combination of aerobic and resistance exercise as part of an individually tailored, 4-week intervention for breast and prostate cancer patients improved CRF, QOL, sleep quality, aerobic capacity, strength and immune function.87,96

Associations between interleukin-6 levels and sleep efficiency and duration suggested that improvements in sleep due to exercise may be mediated by cytokines.96In addition, participants were able to progressively increase the number of steps walked per day from 5,000 to nearly 12,000 despite undergoing radiation treatments.87,96 ENREF 105

A combined aerobic and resistance training intervention performed two days per week for 12 weeks resulted in improved muscle mass, muscular strength, and physical function among prostate cancer survivors undergoing androgen suppression therapy.75

Milne and colleagues tested an exercise intervention that combined aerobic and resistance training for 12 weeks and found improved muscular strength and cardiopulmonary function in breast cancer survivors.83A

4-week combined aerobic and resistance exercise intervention in older prostate cancer patients undergoing radiation treatments resulted in improvements in CRF, cardiopulmonary function, and strength.112A phone-based intervention aimed at increasing exercise and improving diet over the course of six months showed promise for improving physical functioning in older cancer patients.113 Unfortunately, very little research has focused on using exercise interventions in older cancer patients or survivors.114

Mindfulness-Based Exercise

Tai Chi Chuan and yoga are mindfulness-based exercise interventions that provide substantial benefits for cancer patients by relieving side effects, improving physical function, and increasing QOL Mustian and colleagues demonstrated that a community-based 12-week, 15-move, Yang style short-form of Tai Chi Chuan improved muscular function, cardiopulmonary function, body composition, QOL, bone metabolism, and immune function among breast cancer survivors.115-119

One very recent, non-controlled, feasibility study showed a positive effect of 10 weeks of Tai ChiChuan (2 times/week, 60 minutes/session) on memory, attention, and executive function in cancer survivors, suggesting that exercise may be a promising intervention for cognitive function in this population.120

Joseph and colleagues reported improvements in sleep, QOL, treatment tolerance, and mood, among patients participating in yoga while receiving radiation treatments.121The intervention consisted of a 90-minute session, two times per week, for eight weeks. Yoga postures, breathing, and visualization exercises were used.

Cohen and colleagues found less sleep disturbance among lymphoma patients participating in Tibetan yoga once per week for 7 weeks. Patients were receiving treatment or within 12 months following completion of treatment. The Tibetan yoga intervention consisted of one yoga session a week for 7 weeks, focusing on yoga postures, visualization, breathing, and mindfulness.122

Providing Information

Themajority of cancer patients report that they do not discuss initiating or continuing an exercise program with their treating oncologist or primary care physician throughout their cancer experience.6,123Yet, research shows that cancer patients want their oncologists to initiate discussions about exercise.124

Cancer patients would prefer to receive information on exercise during the time period in which they are receiving treatments (i.e., during chemotherapy and during radiation therapy); specifically, they prefer receiving this information shortly after they have initiated treatments and prior to completion.125 Given the benefits of exercise during cancer treatments, oncologists should routinely discuss exercise and physical activity with their patients. The information below, in Figure 1, and in Tables 1 and ​and22 can help guide these discussions.

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Figure 1
The 5 A’s of Applied Exercise Oncology

Table 1

Examples of Exercise Limitations , Contraindications and Recommendations Adapted from ACSM Exercise Guidelines for Cancer Suvivors

Examples of Cancer-Specific ConcernsExamples of Recommendations
Extreme fatigue, anemia, and ataxiaRefer to medical specialist and exercise oncology professional to determine if exercise is safe. If
determined to be safe, exercise at a low intensity, as tolerated, preferably under the supervision
of an exercise oncology professional.
SurgeryAllow sufficient time to heal after surgery before commencing exercise.
Pain at surgery siteRefer to surgeon and/or physical therapist for clearance prior to exercise.
Use exercises that do not involve that area of the body until pain is appropriately managed.
Limited mobility at surgery siteRefer to surgeon and/or physical therapist for clearance prior to exercise.
Consider physical activity that does not involve that area of the body.
Risk of hernia due to ostomyAvoid contact sports and exercises that increase intra-abdominal pressures.
Swelling and lymphedemaRefer to oncologist and physical therapist for clearance prior to exercise.
Monitor limb circumference and stop exercise and seek medical evaluation if circumference
changes in patients/survivors. Patients at increased risk can wear acompression garment
when exercising.
Peripheral neuropathyRefer to neurologist, physical therapist and exercise oncology professional.
Monitor closely for balance impairments. Include exercises that improve balance.
Cardiovascular toxicitiesRefer to cardiologist for and exercise oncology professional to determine if exercise is safe.
Compromised immune functionRefer to exercise oncology professional. Prescribe exercise at a low to moderate intensity.
Ensure facility is clean to reduce infection risk.
Increased fracture riskAvoid exercises that put excessive stress on bones, including high impact activities.

Table 2

Exercise Recommendations Adapted from the ACSM Exercise Guidelines for Cancer Patients and Survivors

Aerobic ExerciseAchieve a weekly volume of 150 minutes of moderate intensity exercise or 75 minutes of
vigorous intensity exercise, or some combination of the two.
Resistance ExercisePerform strength training exercises 2-3 times per week. Include exercises that target all of the
major muscle groups.
Flexibility ExercisesInclude stretching exercises for all of the major muscle groups on all the days that other
exercises are performed.
Additional InformationReturn to normal activity as soon as possible during and following cancer treatment.
Some exercise is better than none.
Start slowly and progressively increase. Strive to achieve the recommended levels of exercise.
See a medical professional if any questions or concerns arise.
See an exercise oncology professional for assistance with exercise testing, prescription and

Considerations and Contraindications for Exercise

Oncologists should discuss with cancer patients and survivors how they can safely begin or continue an exercise program during and after treatments. Patients must also be informed of any potential contraindications (e.g., orthopedic, cardiopulmonary, oncologic) that might affect their exercise safety and tolerance.90

Contraindications do not necessarily mean that a cancer patient or survivor cannot exercise at all; in fact, this is rarely the case. In most instances, contraindications simply require specific modifications to the exercise regimen so that the individual can exercise safely and still achieve physical and mental health benefits (See Table 1).

Many cancer patients will be able to safely initiate or continue an exercise program with the goal of achieving the levels of exercise, both aerobic and resistance, recommended by the American College of Sports Medicine (ACSM) for cancer patients and survivors.90Active exercisers or those at low to moderate risk, based on the ACSM guidelines, are not required to obtain medical clearance to continue or begin a low to moderate exercise program (See Figure 1).90

However, a medical assessment by qualified medical professionals (e.g., oncologist, surgeon, cardiologist, orthopedist, physical therapist) along with appropriate management of cancer-specific, cardiovascular, pulmonary, metabolic, orthopeadic or other co-morbid conditions, is advisable for individuals at moderate risk wishing to participate in vigorous exercise and those at high risk initiating low to moderate intensity exercise, based on the ACSM guidelines.90

Cancer survivors should be evaluated for musculoskeletal morbidities, peripheral neuropathies, and fractures if they have received or are currently on hormonal treatments.90

Cancer patients with additional concerns, such as bone metastasis and cardiac toxicity, should be assessed to determine if and how they can safely exercise.90Medical evaluations should be conducted prior to the initiation of exercise testing, prescription and participation.

It is strongly suggested that exercise testing, prescription and monitoring be done by qualified exercise professionals, as described in the next section, for all cancer patients and survivors, but, particularly for individuals at moderate risk beginning or continuing vigorous exercise and those at high risk commencing or continuing any level of exercise.90 In all cases, the exercise prescription should be developed to target relevant cancer- and general-health-related outcomes.90

Exercise Professionals

Exercise participation and adherence during and following cancer treatments are increased if physicians are involved in making recommendations and referring patients.126

Referral to a qualified exercise specialist is preferred.90 Minimum qualifications include a bachelor’s degree or higher in an accredited exercise science or kinesiology program. Certification as a Cancer Exercise Trainer from the American College of Sports Medicine (ACSM) further ensures that the exercise professional has the minimum competencies required to safely and effectively prescribe exercise for cancer patients and survivors.90

This certification, which can be obtained by individuals with varied educational backgrounds (e.g., exercise physiologists, physical therapists, nurses), requires training in the unique cancer-specific issues that need to be addressed when a patient or survivor plans to start or continue exercise throughout primary treatment and into long-term survivorship. The certification also provides a very useful professional competency benchmark for oncology professionals who are looking for exercise referral options in their local communities.90,106,127

Exercise Prescription Guidelines

Since cancer survivors are a heterogeneous group, their exercise prescription should be individualized and tailored based on health status, disease trajectory, previous and/or current treatment, current fitness level and past and present exercise participation and preferences in order to be safe and effective.90,128 ENREF 130

Introducing a low to moderate intensity exercise intervention and slowly increasing its frequency, intensity and duration over a period of weeks is recommended.90,106 ENREF 130

In 2010, the ACSM published the “Exercise Guidelines for Cancer Survivors,” a set of evidence-based guidelines developed by a team of expert exercise oncology researchers and clinicians (See Table 2).90

These guidelines along with the ACSM Guidelines for Exercise Testing and Prescription provide an excellent starting point for exercise testing, prescription and monitoring among cancer patients and survivors.90,106 ENREF 106 The ACSM Guidelines for Cancer Survivors recommend that cancer patients and survivors slowly progress up to participating in 150 minutes of moderate intensity or 75 minutes of vigorous intensity aerobic exercise weekly plus strength training across all the major muscle groups 2 to 3 times weekly and regular stretching.90,128-130 ENREF 130

The guidelines also suggest that individuals with conditions that limit their ability to perform exercise should participate in physical activity to the fullest extent they are able, even if they are unable to achieve the recommended levels.90,129,130

Results from clinical trials that focus on the use of exercise for improving cancer-related outcomes are also helpful to health professionals when testing, prescribing and monitoring exercise behavior and results.

Research suggests that moderately intense exercise interventions (55–75% of heart rate maximum, corresponding to a rating of perceived exertion between 11 and 14131), including aerobic exercise ranging from 10–90 minutes in duration, 3–7 days/week, are consistently effective for managing side effects and improving QOL among cancer survivors with an early-stage diagnosis.7,68,87,132

Cancer survivors with ataxia or balance difficulties may benefit most from stationary cycling as a mode of physical exercise.90Accumulating 30 minutes of daily activity through short bouts of exercise(3-10 minutes), with rest in between, can also reduce side effects and improve QOL.90 ENREF 6

Moderate to vigorously intense resistance exercise performed 3 times per week and progressively increasing up to 2-4 sets ranging from 8-15 repetitions is effective at reducing side effects and improving QOL among cancer survivors.62,67,89,92,111

Mindfulness-based modes of exercise such as yoga and Tai Chi Chuan performed 1-3 times a week for 60-90 minutes at a moderate intensity level can also reduce side effects and improve QOL.115-120

Low intensity exercise is also safe and well-tolerated by cancer patients with metastatic disease.133-138Lymphedema risk can be reduced by use of compression sleeves when appropriate, although recent research suggests that resistance training does not result in increased incidence of lymphedema.90

Generally, it is prudent to advise cancer patients and survivors to avoid excessive high-intensity exercise which can compromise the immune system and interfere with treatment and recovery.90

reference link :

More information: Jason Cohen et al, Acute effects of aerobic exercise and relaxation training on fatigue in breast cancer survivors: A feasibility trial, Psycho-Oncology (2020). DOI: 10.1002/pon.5561


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