Advantages of the sit and reach test are very little equipment or facilities needed, quick and easy to set, so less time going to take, can be done anywhere, this test is quite accurate, no need of highly specialist carrying procedure and very little skill needed to complete the test.
Validity.
This test will suit the candidate, because candidate is active and healthy person, and it is one of the best choices of flexibility test. Also this test suit the candidate, because he is rugby player and flexibility is really important in rugby to make tackles and diving to the ground, when got a ball.
Testing validity refers to the degree of what the test actually measures what it claims that measure and extent to which inferences, conclusions