How common is it for somebody to get rhabdomyolysis?

Not common: Serious rhabdomyolisis is uncommon but needs immediate medical care. Preventable causes include overuse exercise without good hydration and use of certain recreational drugs. Mild rhabdomyolisis can occur with vigorous sports, but is rarely symptomatic and resolves quickly. The best preventive is good hydration during vigorous activity and don't overheat.

Depends: Strenous activity under a hot sun/ or extremely vigorous exercise, marathon running - examples for rhabdo.

Cholesterol agents: Be careful of some meds that can cause rhabdo such as statins, a cholesterol lowering agent, you might need to stop it. Rhabdo can be caused by trauma, extended period of laying down like we see in elderlies who fall down, stay on the ground for a long time and cannot get enough hydration. The bottom line is that rhabdo means muscle break.Whatever extreme even affects the muscles will cause rhabdo.