What Is 240i Precor Breach Machine?

240i Precor stretch machine is for a laboratory based test which is performed under controlled conditions indoors and the sit and reach test is a field based tests though it can be performed indoors too. When testing the validity of the sit and reach test it is hard to be accurate with the results because other factors such as the measurement or the individual’s arm length can play a vital role when it comes to the validity. If the performer isn’t able to get the same results when performing the same test then the validity of the results is not accurate, where as if we were testing the validity and accuracy of the stretch machine, it is easy to get accurate results as the factors are controlled and the results are measured using the mechanism, if the performer gets the same results are the first time they then the reliability of the test is good. Compared to the sit and reach test the Precor stretch machine takes longer so it wouldn’t be ideal for an individual that doesn’t have a lot of time to perform the test, but with the sit and reach they can perform it in less than 5 minutes which is more ideal. The sit and reach contrasting the stretch machine costs less money because it uses minimal equipment that don’t cost a lot of money whereas even though the 240i stretch machine also uses minimal equipment, the required machine on its own does cost a lot of money and both tests require the performer and the assistant to have some form of knowledge as to how to conduct the test safely and accurately.
Power …show more content…
“The ability to exert maximum muscular contraction instantly in an explosive burn of movements”
This means that power is the skill to perform a movement will full force e.g. when