If you’re after a lower intensity session to strengthen your core, as well as your upper and lower body, this one’s for you. Make sure you have a tea towel to hand, or something similar.
Put your abs and back muscles to work with this 20-minute session. Get ready for 4 3-minute blocks of core work with some short recoveries in between. In each block you’ll be doing 3 different exercises for 30 seconds each before cycling through them again:
Block 1 – leg raises, leg raised crunch...
