If you've ever wondered (mid-crunch, most likely) exactly how many sit ups you should be doing every day to optimise your fitness, then you're in the right place - this is exactly the type of question we love.
Scroll just a moment on social media, and there's a plethora of conflicting advice, not to mention challenges (100 sit ups a day, anyone?) purporting to bestow the abs of dreams. And let us be very clear, here: no amount of sit ups a day is going to help you spot train your abs. Visible, defined muscles are a complex combination of training, diet, lifestyle and genetic factors outside of our control - so this certainly isn't what we're promoting, here.
