Full situps with legs extended ADVERTISEMENT 960 viewsApril 5, 2012 0 Averil April 5, 2012 0 Comments Aren’t full situps with legs extended on floor contraindicated? 10 Answers ActiveVotedNewestOldest 0 Joanne0 Posted 0 Comments If the purpose of the exercise is to develop trunk strength then it’s not only a high-risk exercise but it is also ineffective. There are so many other ways to strength the hip flexors and abdominals that are safer and more functional than the straight-leg situp. You are viewing 1 out of 10 answers, click here to view all answers. Register or Login