Pro athlete trainer/ Physical therapist Jeff Cavaliere beaks down what to do with that nagging back pain while doing ab exercises.

Sometimes our willpower is stronger than our bodies but all it takes is some tweaking and solid advice.

Jeff says, when the hip flexors dominate ab exercises, the end result is an ab exercise that becomes a back pain exercise.

If you or your workout buddy is having back pain, share this with them and remember being in tip-top shape will help you #RunSPI.