He would be in a bad predicament.
Worst case: you die from septicemia from an open fracture or from internal hemorrhage from the bone cutting an artery, else, the bone heals crooked and you walk funny.
The worse compound fractures happen most commonly in the legs. Due to people not staying off the leg and still applying pressure to it make then almost never heal correctly.
If you had a hairline fracture of your T9 vertebra, you might experience localized pain in the mid-back, tenderness when touching the area, and possible stiffness or limited mobility. You could also have symptoms like numbness or tingling if nerves are affected. If left untreated, the fracture could lead to worsening pain, potential instability of the spine, or complications such as misalignment or injury to surrounding structures, which might increase the risk of more severe injuries or chronic pain.
You can die
A fracture that shatters the bone is called a comminuted fracture. A direct impact can shatter bone into several fragments or pieces. This type of fracture is likely to occur in a road traffic accident.
you explode
It depends on what and how debilitating it is
A Colles fracture happens when you fall backwards and put your weight on your wrist and the radious is broken.
The breaking of a bone is called a fracture. It can range from a hairline crack to a complete break, and can happen due to trauma, overuse, or medical conditions like osteoporosis.
An untreated infection may spread to the lymphatic system (acute lymphangitis ), the lymph nodes (lymphadenitis ), the bloodstream (bacteremia ), or into deeper tissues.
They would soon become unwanted..........you can die
If not treated the person can die and infect others as well.