That’s why I like this 20-minute workout from Viv Addo, one half of fitness duo Mr and Mrs Muscle. It doesn’t require any weights to do the session, and it is time-effective in that it ...

And that’s all you need for this workout from Michael Addo (one-half of training duo Mr and Mrs Muscle). He's put together ... demonstrated by Addo in his post, so if you’re new to abs-focused ...