While you can work your abs lying down, the most effective core exercises are functional moves done standing. Functional exercises mimic everyday moves and easily translate to real-life activities.
In the nine years I’ve been weight training, I’ve rarely ventured into the weight machine section of a gym. Not, to be clear, because I don’t think they’re any good at supporting strength or muscle ...
Ask any trainer what their clients should be working on in the gym and you'll likely get some version of this answer: "The exact opposite of what they usually do." Whether you realize it or not, there ...