Sit-ups are great for strengthening the core but ... executing every exercise with the best form possible is key. Luckily, Itsines has demonstrations available of the full routine which you ...
Make the sit-up harder work is to increase the duration of it. Doing an exercise in a slow - yet controlled manner is the best way to train. To work the lateral muscles while doing sit-ups ...
Most of the classic core exercises involve hitting the deck, with sit-ups, crunches and planks all being floor-based moves. However, you can stay standing and still get a quality core workout done ...