how are joints prevented from hitting against each other?

Question

Hitting joints against each other could be bad for the cartilage,

so let’s say if your jumping on a trampoline, how do the spine vertebral joints prevent from hitting against each other each time you land on your feet?

Do muscles or ligaments prevent the joints pressing into each other ?

In: 4

Answer 1

That’s what the cartilage is for. It dampens the blow. That’s why so many people have to get joints replaced. Because the cartilage wears out over time.