 [ Symptoms ] husband is acl and meniscus in right knee are tore i need some ab exercises he can do without moving his legs please he is in the military and will have to continue doing pt which includes sit ups pushups and running after the surgery and recovery he needs some exercises he can do before and after the surgery to keep his abs as well as arm strength up [ Disease ] i am not sure what type of std you are referring to but you and your partner had previous partners then this is the source not all people are totally honest about their past sexual experiences how does the std get started if both partners have only been with each other and no one else is it a virus that mutates into an std then infects a person