The healing factor allows his strength to be pushed beyond the limits of the human body without injury enabling a degree of superhuman strengthWolverine vol  This is augmented by the constant demand placed on his muscles by over one hundred pounds kilos of adamantiumWolverine vol  Additionally the adamantium removes his skeletal structural limitations allowing him to lift an amount of weight that would damage a human skeletonOfficial Handbook to the Marvel Universe Wolverine  vol  He has been depicted being strong enough to break steel chainsUncanny XMen vol   and being able to lift a dozen men above his head with one arm and throw them through a wallWolverine vol