How can a woman break a man’s pelvic bone while yasking?

(1)My friend went to engineering school and met a girl who majored in Taekwondo.
(2)Yesterday, I was hospitalized in the emergency room after a late-stage surgery, and it’s a microfracture due to compressive shock to my pelvis.
(3)I know a girl who has dumpling ears and 170cm tall. She’s ugly.
(4)How can I break a man’s hip bone?