Can ballet cause stretch marks on your inner thighs?

Stretch marks: Stretch marks are thought to be caused by hormones, not the actual stretching of the skin.

Possible: Agressive physical exercise can cause trauma to the skin as well as the joints and muscles. Ballet places extreme pressure on the hip joint including the the thigh muscles. Stretch marks are are more likely to occur if the skin is restricted from moving and if family members also have stretch marks.