 [ 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 ] hi when you say your cycle this means your menstrual cycle ovulation is just a 1 day thing and it happens mostly around day 14 give or take a day male sperm needs to be in place around 3 to 4 days before that day its take male sperm 3 days to get in place to receive your egg either side so sperm splits up and goes to both ovary is and can live for up to 7 days if it gets there after day14 your probable safe did you get spotting around day 21 but some times you may not notice this happen good luck