Answer:
When a stranger suddenly graps your arm the reflex which is triggered is the crossed-extensor reflex
Step-by-step explanation:
The above reflex is a medullary reflex, what it means that we can feel thanks to the receptors and the nerves present in the osea medula.
this reflex is responsible for keeping the body in position after a reflex in which there is flexion of a limb.
This reflex is due to the presence of inhibitory interneurons