Ex-NFL Player Mike Lockley -- Training By PUSHING A BUS!!!! (VIDEO)

This dude is strong.

Check out former NFL player Mike Lockley strength training out in Florida ... BY PUSHING A BUS DOWN THE STREET!!

Lockley -- who had a brief stint with the Jags -- is now a strength trainer who works with U.S. Olympic sprinter Justin Gatlin ... and his workout program is intense.

Check out the footage of Lockley not only moving a 28,000 pound bus ... but also pulling a 5,500 pound Chevy Tahoe with a rope WHILE DOING SCISSOR KICKS ON HIS BACK!!!

#Yoked