How Should I Exercise After A Heart Attack?

Recovering from and starting exercise after a heart attack can be a daunting experience. While regaining physical strength is an essential part of your healing journey, it’s very normal to feel anxious about getting active again. Many people worry about pushing themselves too hard and triggering another cardiac event, however, with proper guidance and a gradual, well-supervised approach, exercise can be one of the most powerful tools in your recovery journey. Cardiac rehabilitation, the structured program undergone after a heart attack, is a key part of this process. It is vital in improving heart function, increasing endurance, lowering the risk of future heart problems, and supporting you in returning to the activities you enjoy in daily life.

 

Common misconceptions about exercise after a heart attack

It’s completely normal to have questions or doubts about returning to physical activity after a heart attack. Many myths and misconceptions can make the process feel more overwhelming than it needs to be. Clearing up these misunderstandings is an important step toward a safe recovery journey.

A common belief is that exercise should be avoided after a heart attack. This is often more harmful than helpful. While rest is important early on, avoiding exercise altogether can increase the risk of complications, including blood clots, stiffness, and further decline in heart function. With the guidance of your healthcare team, gradually incorporating structured exercise into your routine is not only safe but one of the most effective ways to support your heart’s recovery and overall function.

Mild fatigue or muscle soreness, especially in the early stages of recovery, is normal. These are signs that your body is adjusting and rebuilding strength after engaging in exercise. The key is learning to identify the normal post-exercise fatigue symptoms in comparison to more adverse reactions. If you experience symptoms such as chest pain, dizziness, or unusual shortness of breath, cease exercise and tell someone close by. Always check in with your doctor if you’re unsure.

Many think that walking isn’t enough to make a difference, however, it is one of the best ways to reintroduce exercise after a heart attack. For many, even short walks can feel challenging at first, but walking is one of the most important movements for us to live independently. It also helps improve circulation, supports heart function, and builds endurance without straining your heart and cardiovascular system too much. As your capacity improves, you can gradually increase the duration and intensity of your walking.

Feeling good is a great sign, however, it doesn’t mean your heart is fully healed. A heart attack is a serious event that places a lot of stress on the body, and therefore, your body needs time to adapt and regain its strength. Avoid returning to your pre-heart attack activities too quickly as this can be risky while your body is still readjusting. A gradual, supervised return to exercise is key to ensuring long-term safety and success.

 

The importance of medical clearance before exercising 

Before engaging in any form of exercise after a heart attack, it’s essential to speak with your doctor and medical team. Every person’s body and recovery are different. It’s important that your rehab and exercise program reflect your individual medical history, current condition, and personal goals.

Your medical team are the best people to assess when you’re ready to engage in exercise as well as provide guidance along the way. They can help you determine when it’s safe to start exercising, what types of activities are most appropriate, what level of intensity is suitable, and which warning signs to watch for. Consulting with a clinical exercise specialist who has training in cardiac rehabilitation will ensure your exercise is suitable for you and can be appropriately adapted day to day. 

 

Tips and safety considerations 

Once you have gained medical clearance to begin exercising, it’s important to approach exercise with caution. Rushing the process or ignoring warning signs may increase the risk of complications and slow your recovery. A gradual, supervised approach is essential for rebuilding strength safely. Here are some key tips and safety considerations to keep in mind as you return to exercise after a heart attack:

• Start small and slow, and gradually progress – Your body is still healing after a major procedure. Start with low intensity exercises, including walking or stretching and slowly increase intensity, duration or frequency over the coming weeks. 
• Always include a warm-up and cool-down – These aspects of an exercise session are vital to allow your heart to adjust to changes in activity levels. This can also reduce the risk of dizziness, muscle strain or irregular heartbeats. 
• Listen to your body – Pay close attention to how you’re feeling. You know your body better than anyone else. If something doesn’t feel right, stop exercising and contact a health professional. 
• Avoid extreme conditions – Very cold, hot or humid conditions can put extra strain on your heart. Avoid these conditions where possible.
• Keep an eye on your heart rate, blood pressure and breathing – Ensure there are no abnormal changes while exercising or recovering from an exercise session. If there is, note down abnormalities and consult with a health professional. 
• Remember to breathe throughout movement – Holding your breath can cause increases in blood pressure and changes in blood circulation through your body. Ensure to keep breathing, especially with strength exercises. 
• Stay hydrated and fueled – Ensure to drink water and eat something light before exercise to make sure your body has enough energy. This is especially important for those on medications that may affect metabolism or hydration. 

It can be scary adding exercise into your week after experiencing a heart attack. If you are unsure about any aspects of your exercise or need some motivation, contact us and book a first consultation with one of our clinical exercise specialists, who will be able to guide you through a safe, individualised exercise intervention.