: Frequent cramping in the calves or thighs during sex is often linked to dehydration or an electrolyte imbalance (like low potassium or magnesium).

: Often called a "post-orgasm wobble," this occurs when high muscle tension built up during arousal is suddenly released. It is generally harmless and often jokingly associated with a satisfying experience.

If "leg sex dr" refers to looking for medical advice, here are the conditions and specialists often involved: Dyspareunia (Painful Intercourse): Causes & Treatment