A bench could be used to assist you with executing your pull ups, or can be used for doing other types of exercises. (wepullup.com)
Remember, this program has been designed for running only, and not for other types of exercise. (womenshealthandfitness.com.au)
So, with other types of exercise, whether it is ball games, rolling around with next door's poodle, or playing tug with your kids, you need to supervise. (thehappypuppysite.com)