Tried and true way to warm up for competition, so your body is ready for the task at hand.
Tried and true way to get stronger, faster, and more mobile, so you can spend more time on the mats doing what you love.
Which is why it's as important as ever to FORTIFY your muscles, bones, and joints off the mats, so that your time on them isn't cut short.
Remember, no one ever got hurt by being too strong.
And when skill and technique are equal.. the stronger, faster, more mobile athlete usually wins.