One of the most effective ways to evaluate upper-body strength is through the pull-up, and monkey bars are an excellent choice for practicing pull-ups.
The utilization of three unique grips causes a shift in attention to be directed into the muscles in your upper body that are responsible for pulling: The biceps are the muscles that are brought to the forefront when you use an underhand grip, whereas the back and the rear shoulders are the muscles that are targeted when you use an overhand hold.