Originally posted by FrothByte
The skeletal system is not one solid piece of structure. Ligaments is what connects bone to bone and muscle tissue is what gives it stability.So yeah, Russel can't break Wolverine's bones, but he sure can pull off his arms/legs from their sockets.
Wolverine was unharmed when falling hundreds of feet downwards in Origins. Also the Blob fight.
Suffice to say, Russell isn't tearing him apart.