Side planks ADVERTISEMENT 1.68K viewsMarch 8, 2012 0 Fran0 March 8, 2012 0 Comments Which variation of the side plank is most effective an isometetric hold or lifting repetitions or reach and twist? 9 Answers ActiveVotedNewestOldest 0 Janet0 Posted 0 Comments Great question! I do planks in a variety of ways. I am hoping to see if anyone knows any research on this. You are viewing 1 out of 9 answers, click here to view all answers. Register or Login
