Asuma was limping even after he fell to the groundSo Hidan can move if all his bones were crushed? Just stop how can you stand up without anything supporting your structure? Kakuzu stitches obviously replaced his ligaments since he couldn't move before the stitches then he could move after the stitches your the dumbass here.
Asuma got put on his ass via damage and pain Hidan is so used to intense pain he just screams and laughs it off. He gets his bones broken by Gai in 6gate of gai could simply plow his back to shit and crush his spin rindering his movement null Gai stomps.
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please read the arc again as you are sounding dumb right now.If every bone in his body is simply broken than yes, he can still move them as shown in the manga. If they are ground to dust? Probably not.