syncing' your workouts?
The trend of 'cycle-syncing' workouts, which suggests women should tailor exercise to their menstrual cycle phases, is gaining massive popularity on social media. However, experts warn that this advice is largely based on marketing rather than scientific evidence, noting that individual experiences vary significantly.
Why it matters
It addresses the spread of health misinformation on social media platforms and the importance of evidence-based fitness advice.
Share Save Add as preferred on Google Zara Salaria BBC News Sarah Mackay Sarah Mackay, known as @fitwsarah online, says her energy levels change through her cycle A woman points to a colour-coded grid dividing the menstrual cycle into four phases, each paired with a different list of exercises.
"When you're bleeding, you want to be doing steady-pace jogging, Pilates, barre, walking, resting," she tells viewers.
This is one of thousands of videos on TikTok and Instagram suggesting that people change their workouts depending on where they are in their menstrual cycles - something known as 'cycle-syncing'.
So-called cycle-syncing workout plans have surged in popularity online, with Google searches for the term rising 740% since 2022 and more than 55,000 TikTok videos now using the #cyclesyncing hashtag.
Most of the advice is shared by fitness and wellness creators rather than medical or research experts.
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