Trigger that's when you reacted
Answer:
It means when 2 bones grow closer to each other and causes pain. This procedure fuses, or “welds,” together the two bones that make up your aching joint. It causes the bones to become one solid bone, and it can lessen your pain.
Explanation:
Since there are no options listed to choose from, my best guess would be watches, since a lot of apple watch products are now sold with built in heart monitors.
