side plank jackknife is a calisthenics and pilates exercise that primarily targets the obliques and to a lesser degree also targets the abs and hip flexors ...more
side plank jackknife is a calisthenics and pilates exercise that primarily targets the obliques and to a lesser degree also targets the abs and hip flexors.
Learning proper side plank jackknife form is easy with the step by step side plank jackknife instructions, side plank jackknife tips, and the instructional side plank jackknife technique video on this page. side plank jackknife is a exercise for those with a intermediate level of physical fitness and exercise experience. Watch the side plank jackknife video, learn how to do the side plank jackknife, and then be sure and browse through the side plank jackknife workouts on our workout plans page!