Avoiding high-intensity workouts during heavy flow

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Published 21 May 2025 | Written by Dr Eva R. Dixon

When it comes to managing your menstrual cycle, especially during the heavy flow days, it’s important to listen to your body and adjust your routine accordingly. While regular exercise can help alleviate cramps and boost mood, not all types of workouts are suitable for every phase of your cycle. One key tip? Avoid high-intensity workouts during your heavy flow days.

Here’s why—and what to do instead.


Why Avoid High-Intensity Workouts During Heavy Flow?

1. Your Body Is Already Working Hard

During the first couple of days of your period, your body is shedding the uterine lining and dealing with hormonal fluctuations. Blood loss, fatigue, and abdominal cramps are common. Pushing through an intense workout like HIIT, CrossFit, or long-distance running might overstrain your already-taxed system.

2. Risk of Dizziness and Dehydration

Heavy bleeding can lead to lower iron levels, making you more prone to dizziness, weakness, or shortness of breath. Intense cardio or strength sessions can further dehydrate you and increase this risk, especially if you're not adequately fueling or hydrating.

3. Increased Pain and Discomfort

Jumping, sprinting, or heavy lifting can increase abdominal pressure, which may worsen menstrual cramps and back pain. The idea isn’t to avoid movement altogether—but rather to choose gentler forms that support, not stress, your body.


What to Do Instead? Gentle Alternatives That Help

1. Walking

A slow to moderate-paced walk is one of the best options. It increases blood flow and reduces bloating without putting extra strain on your body.

2. Light Stretching or Yoga

Gentle yoga poses like Child’s Pose, Cat-Cow, or Supine Twist can ease cramps and tension. Focus on deep breathing and stretching rather than holding intense poses or flows.

3. Pilates or Low-Impact Movement

Mat-based Pilates can help activate your core and support your spine, aiding in posture and pain relief without being too demanding.

4. Rest and Recovery

Sometimes, the best exercise is no exercise at all. Resting during the heaviest days (typically Day 1 and 2) is completely fine. Sleep, hydrate, and give yourself permission to slow down.


Listening to Your Body is Key

Every menstrual cycle is unique. Some people may feel up for light movement even on heavy days, while others may need more rest. The most important part of caring for your body during your period is tuning in to how you feel, physically and emotionally.

If you feel energized, a gentle walk might do wonders. If you're exhausted, allow yourself to rest without guilt.


Final Thoughts

Avoiding high-intensity workouts during heavy flow days isn't about slacking off—it's about honoring your body's natural rhythm. Adjusting your fitness routine based on your cycle can not only improve your physical health but also help you feel more connected and compassionate toward your body.

Remember: movement is medicine, but timing is everything.