BBC Sport presenter Clare Balding, 49, said she has been doing Pilates classes at home with her wife and BBC newsreader Alice Arnold, 58, during lockdown, but explained why it has been frustrating.
The host and author joked the classes are sometimes too difficult, which has prompted her to swear at the teachers.
Opening up about her fitness regime, she told Good Housekeeping magazine: “I’ve never been a runner, and I never thought that I could be one, but it’s far more enjoyable than I thought it would be.
“We’ve been doing Pilates classes online with beautiful toned American women called Rhian or Jessica, but we always end up swearing at them, which is just funny because they can side plank and put their arms in the air and their top legs up and I’m like, ‘What? How am I meant to do that?!”
“Frustratingly, I haven’t lost any weight. I haven’t put any on, but I haven’t lost any,” she added to the publication.
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Despite this, Clare said she has noticed a slight change in her body shape.
As well as keeping up with her fitness, she has also been writing her latest book and will be fronting Wimbledon highlights in the next coming weeks.
Discussing her latest venture, she revealed: “I really miss the adrenaline rush of live events.
“Writing is such a different skill, as you’re crafting and drafting and trying to perfect something.
“Television doesn’t give you time for that, and you’ve got to react instantly with the right questions and the right tone.”
Reflecting on the early days of their relationship, she told Country and Townhouse online: “We were very much friends at first and didn’t get together until the autumn of 2002.
“Alice had always been ‘out’ but I wasn’t and really struggled with it.”
In the same interview, Clare opened up on trusting her long-term wife’s judgement when it comes to taking on work projects.
Explaining more, she added: “I trust Alice’s judgement entirely.