Build strong hip flexors & abs… single leg v-ups. How To Series: - lay flat on back - arms & legs extended - flex at hips - reach fingers to toes - legs as straight as possible Modify: single leg v-crunch or single leg crunch - bend your knee to shorten lever - decrease range of motion of upper body Tag a friend who would like these! #justgaux #letsgaux #gauxgirl #besomebody #core