Today is a challenging workout. On a treadmill put the incline up to 9.5% and the speed on no lower than 6.5mph and no higher than 8.0mph. Now for 20 seconds you will run with the treadmill, after 20 seconds you will rest for 10 seconds. You will repeat this for a total of 8 rounds. This is only 4 minutes of work, but it will change your mind about 4 minute workouts. Try hard not to have to hold on to the rail in the front. For safety when you get back on for your 20 seconds hold on to the side rails until you get going on the treadmill....
Awesome cast T!
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