This is how many press-ups it takes to build muscle and why all runners should be doing them

It's because they're cheapening a portion of the rep and not getting the max muscle-building stimulus.' That stimulus, over ...

The '10 push-up' Christmas challenge that builds muscle with no kit

If you’re short on time but still want to cram in some pec-pumping volume, try using a ladder protocol instead. Start at 10, but in the next round perform 11, then 12, then 13. So on, until you hit ...