GHD sit-ups are the type of advanced abs exercise reserved for those in the gym who like to send their core muscles into meltdown. Think of them as the sister of the sit-up that likes to show off.

This article breaks down sit-up variations for every fitness level—beginner, intermediate, and advanced, to boost core ...

I swapped out the GHD sit-ups for ab mat sit-ups (as my lower back is a bit temperamental), and started from 40 calories on the SkiErg instead of 50 as, quite frankly, I thought I’d be there all ...

Dearden says: "GHD sit-ups strengthen the hip flexors, abs and lower back, helping to maintain posture and core stability during runs, improving stride efficiency and reducing the risk of injury." ...