Why did Chris punch the boulder?

Why did Chris punch the boulder? Boulders have been a part of the Resident Evil games since its conception. They are mainly set up as booby traps which usually result in death. The most notable boulder has been the one from Resident Evil 5 in which Chris Redfield punches it to save his partner, Sheva Alomar.

Boulders have been a part of the Resident Evil games since its conception. They are mainly set up as booby traps which usually result in death. The most notable boulder has been the one from Resident Evil 5 in which Chris Redfield punches it to save his partner, Sheva Alomar.