Well, can you? Research suggests yes.
This article from Medpage Today says internal knee rotation may contribute to stress fractures:
Lower-extremity stress fractures often occurred in association with potentially modifiable muscular and biomechanical factors, according to a study of 1,800 military cadets. …
Internal knee rotation >5 degrees more than doubled the likelihood of lower-extremity stress fracture as compared with cadets who had neutral or external knee rotation alignment.
Yet another piece of evidence showing the importance of external rotation in the legs for biomechanical health.