trx jacknife is a alternative and calisthenics exercise that primarily targets the abs and to a lesser degree also targets the hip flexors and quads ...more
trx jacknife is a alternative and calisthenics exercise that primarily targets the abs and to a lesser degree also targets the hip flexors and quads.
The only trx jacknife equipment that you really need is the following: trx suspension. There are however many different trx jacknife variations that you can try out that may require different types of trx jacknife equipment or may even require no equipment at all.
Learning proper trx jacknife form is easy with the step by step trx jacknife instructions, trx jacknife tips, and the instructional trx jacknife technique video on this page. trx jacknife is a exercise for those with a intermediate level of physical fitness and exercise experience. Watch the trx jacknife video, learn how to do the trx jacknife , and then be sure and browse through the trx jacknife workouts on our workout plans page!