One of the keys to MMA success is conditioning - technique will only get you so far. But conditioning is much more than just pushups and crunches - the way you do them is just as important and subtle changes can make all the difference to what you can do with your body. Are your pushups building strength, endurance or power.
excerpt below from an article on bodybuilding.com - it discusses plyometrics - modern science to get fast twitch muscle fibres strong so you can punch and kick FAST and HARD - worth a read
"It hardly takes much convincing to conclude that having blinding speed of punches or bone-cracking power in kicks are the most desirable assets for Martial Artists to possess.
Remember Miyamoto Musashi stated in his famous text "A Book of Five Rings" that one ultimate goal of the warrior is to learn to end the fight with a single blow! That's exactly where speed and power come in!"
In striking competitions it is often just one blow that turns the tide or wins the fight.