A condition sets a minimum acceptable for the values, it helps you achieve the pose based on your values. It could be making a comparison with another value, or using another measurements as height or time. At the end your users will improve their performance.
Here you can setup the condition using values, operators and do comparisons with other values or constants. There are some concepts you need to know:
The Values you previously created can be used here.
Select an operator.
If you choose to use Value this is how it will look.
The entry field will change and you have to write a number.
Now, select the measurement.
And this is how it will look.