can dead orcs move?

Originally Posted by Elf @ Heart

Near the end of FotR, when Boromir had just been shot and left for dead, Aragorn ran over to him. Befor he got there, he jumped over this dead orc, and the dead ocr lifted it's head up and propped itself up on it's elbows! did anyone else notice this or am i just going crazy?

I saw that...the orc maybe was dead, or was close to dying