Being physically active during treatment

Some physical activity during cancer treatment will help you maintain your fitness, strength and bone health. Choose activities you enjoy and set some realistic goals for yourself.

The health benefits of physical activity during cancer treatment

Being physically active during cancer treatment is generally safe. But there may be activities you need to avoid or be careful with. We have more information about exercising safely when you have cancer. There may be some weeks when you are advised to do less, such as immediately after chemotherapy. It is important not to suddenly start intense exercise that you are not used to.

Regular physical activity will reduce the risk of blood clots (thrombosis). These are more common after cancer, especially if you:

Some physical activity during treatment will help you maintain your fitness, strength and bone health, and reduces the risk of developing other health problems. It is best to try to increase the amount of activity you do in the long term. Try not to worry about any short-term setbacks.

If you are not sure about being active during treatment, talk to your specialist nurse, physiotherapist or GP. Some hospitals and community services have cancer exercise specialists or classes that you can be referred to.

How much activity is right for you

Which type of activity you do, and how much you do, will depend on:

  • how fit you were before you were diagnosed
  • the type of cancer and treatments you had or are still having
  • any symptoms or treatment side effects you have
  • any long-term conditions you have
  • any long-term effects you have from the cancer or its treatment.

We have more information about recommended activity levels and types of activity including:

  • aerobic activity – this is particularly good for your heart and cardiovascular system.
  • muscle strength exercises – these strengthen muscles, bones and joints
  • flexibility exercises – these can help prevent injuries and strains
  • balance exercises – these are good for building strength.

During your treatment, your energy levels will change from day to day. The main goal is for you to try to spend less time sitting or lying down. If you can, you should try to balance small amounts of light or moderate-intensity exercise with periods of rest.

Choose activities you enjoy and set some realistic goals for yourself. If you feel very tired the day after activity, you may be trying to do too much, too soon. Over time, you will be able to increase the amount you do.

Pacing yourself

What you can manage will depend on your level of fitness and the treatment you are having. If you feel unfit and treatment is making you feel very tired, then you could start gently by trying to:

  • reduce the amount of time you spend sitting or lying down
  • do some light housework or gardening
  • go for a walk.

Remember to take things slowly. Try not to do too much, even on a good day.

If you regularly exercised before treatment, you may find you need to do it at a slower pace or lower intensity during treatment. You can slowly increase it again after treatment ends.

Studies have shown that exercising during chemotherapy helps people stay active. It also helps them feel better about their quality of life.

Simple ways to be more active

There are lots of ways you can become more active. It is important to do something you enjoy that also fits in with your life.

Everyone’s experience of cancer is different, both during and after treatment. Listen to your body to see which activities feel right for you.

There are lots of ways you can become more active, including:

  • doing more around the home, such as housework or gardening
  • walking or cycling to work, to the shops, to see friends, or on the school run
  • playing with your children or grandchildren in the park
  • joining a walking group, or using a pedometer or fitness tracker to record your steps each day
  • stretching exercises like yoga, tai chi, qi gong or Pilates
  • joining a running club like 5K Your Way or parkrun
  • activities that can be done with friends and family, such as swimming or dancing
  • joining a class at your local leisure centre
  • taking up a sport like badminton, bowls or golf.

You could also ask your GP if they can refer you to a structured exercise programme for people with cancer or long-term conditions. These are usually based at a leisure centre with a gym or dance classroom.

In some areas, Macmillan has developed physical activity support services to help you become more active. These are sometimes called Move More programmes.

These programmes give you the opportunity to discuss your needs with a cancer and physical activity specialist. The specialist will help you set goals that you can achieve and offer ongoing support. They will help you find activities that are right for you.

To find out if you have a specialist in your area or if there are any exercise programmes nearby, search for Move More or physical activity in your local area.

We have more information on exercise guidelines.

If you have advanced cancer

If you have advanced cancer, most types of light physical activity are safe, such as going for a short walk. This can help reduce symptoms such as tiredness and poor appetite. You might also want to speak to your doctor.

We have more information about exercising safely when you have advanced cancer.

About our information

  • References

    Below is a sample of the sources used in our physical activity and cancer information. If you would like more information about the sources we use, please contact us at cancerinformationteam@macmillan.org.uk

    Schmitz K, Courneya K, Matthews C, et al. American College of Sports Medicine roundtable on exercise guidelines for cancer survivors. Medicine and science in sports and exercise. 2010. 42.

    Thomas R et al. Physical activity after cancer: a review of international literature. British Journal of Medical Practitioners. 2014.. 

  • Reviewers

    This information has been written, revised and edited by Macmillan Cancer Support’s Cancer Information Development team. It has been reviewed by expert medical professionals and people living with cancer. It has been approved by Senior Medical Editor, Anna Campbell.

    Our cancer information has been awarded the PIF TICK. Created by the Patient Information Forum, this quality mark shows we meet PIF’s 10 criteria for trustworthy health information.

Date reviewed

Reviewed: 01 January 2019
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Next review: 01 January 2023

This content is currently being reviewed. New information will be coming soon.

Trusted Information Creator - Patient Information Forum
Trusted Information Creator - Patient Information Forum

Our cancer information meets the PIF TICK quality mark.

This means it is easy to use, up-to-date and based on the latest evidence. Learn more about how we produce our information.