Margot Robbie's Cardio Secret Is a Pair of Roller Skates
Her trainer calls it 'joyful cardio' — sessions so fun they don't feel like training. Exercise scientists say the principle behind it outperforms willpower.

Cardio you'd do anyway is cardio you'll actually do.Photo: Spotlight Daily / Illustration
Margot Robbie has never sold a workout plan — but between Barbie-era training stories and stunt prep, one detail keeps surfacing: she skates. For fun, for cardio, because it doesn’t register as exercise.
Trainers have a name for this. “Joyful cardio,” one who works with actors calls it. “The session you don’t have to negotiate with yourself to start.”
Why fun beats willpower
Exercise science has a dull but decisive finding: adherence — not intensity, not programming — is the strongest predictor of long-term results. And adherence follows enjoyment. People quit optimal programs they hate and keep suboptimal ones they love, and the kept ones win every time.
“Skating, dancing, surfing, hiking with a dog — the body counts all of it,” one exercise physiologist told us. “The best cardio is whichever one you’d do on a day off.”
“The best cardio is whichever one you’d do on a day off.” Exercise physiologist, to Spotlight Daily
Finding your skates
The practical question isn’t “what burns the most” — it’s “what did you love at ten?” Swimming, bikes, dance, skates: pick the one that sounds like recess and schedule it like a meeting. Three sessions a week you’ll keep beats six you’ll quit.
Whatever the activity, music is the multiplier. The buds that survived our movement tests are below.

Stay-put earbuds that survived our skating, sprinting and burpee tests without a single readjust.
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Comments (5)
Sorted by topRoller skating burns a stupid amount of calories and your brain just thinks it's recess. Can confirm.
The adherence literature is real — enjoyment beats intensity for long-term results. Nice to see it in a celeb piece.
Quit the gym, joined a dance class, lost more weight in six months than five years of treadmills.
Margot Robbie roller skating is the most on-brand fitness news imaginable.
The 'what did you love at ten' question genuinely re-framed exercise for me.