Why do dead bugs and mice ‘stiffen up’ in specific positions where as other dead animals simply go limp?

Question

Why do dead bugs and mice ‘stiffen up’ in specific positions where as other dead animals simply go limp?

In: Biology

Answer 1

Something that hasn’t been mentioned here yet is that spiders and insects “muscles” are basically hydraulic in nature. When they die, the pressure that kept them extended goes away, and thus the curl-up