"Yes the doctor said ... I had my neck fused in the last one with a stunt and a broken back ... then I had two back operations, a shoulder operation. The last one took its toll and the doctor said, 'Don't take any rough falls, let a stunt guy do it'.
"But sometimes you just have to do it and I don't know, I just threw all common sense out of the window so, yeah, there were some injuries and some tough ones in this one, but I just can't help myself," he said.
The action movie sees Stallone star alongside Bruce Willis, Arnold Schwarzenegger, Jean-Claude Van Damme and Dolph Lundgren.
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