Clearly, this is not a treadmill that has been built to sustain vigorous workouts over many months or years.

Anyone looking for a vigorous workout, though, should avoid the Phoenix 98516 manual treadmill.

The students are forced to perform a vigorous workout in the gymnasium.

Each of these works gives the Texas players another vigorous workout.

I had a short but vigorous workout, showered, changed and hit the streets famished.

Flurries continued all weekend, and the Town & Country got a vigorous workout.

This can be accomplished with a vigorous 20-min workout, or a long, slower 4-hr ride.

As a rule, the higher the arms, the more vigorous the workout.

This shared frustration came through in their vigorous workout.

And the new smoke machine stood up to a vigorous workout.