The action star has “never recovered” from the injuries he sustained doing his own stunts on the movie. Post Views: 91 Related posts: Sylvester Stallone Needed 7 Surgeries After Filming The Expendables Sylvester Stallone Needed 7 Surgeries After Filming The Expendables Sylvester Stallone Needed 7 Surgeries After Filming The Expendables Post navigation The Top Reasons You Feel Like You’re Peeing All the Time Can Stress Give You Diarrhea? Doctors Explain.