The thigh gap — that coveted space between the upper thighs when standing — continues to circulate on TikTok and Instagram as a supposed marker of fitness and thinness. But according to medical experts, it has almost nothing to do with diet or exercise. The reality is written in bone structure, and no workout routine can change that.
En bref
- —Thigh gap is determined by bone structure, not weight loss
- —Dr. Ross Perry: it signals skeletal shape, not fitness
- —Many celebrity photos rely on posing, lighting, or editing
A beauty standard still flooding TikTok and Instagram in 2026
Some beauty trends lose their grip over time. The thigh gap is not one of them. Despite years of pushback from health professionals, it continues to spread across social media platforms in the form of challenges, tutorials, and before-and-after comparisons — all suggesting that the gap is something any woman can achieve with enough effort.
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