The Indian team regularly undergoes a series of fitness tests with
'Yo-Yo' endurance test being the most important of them.It is an advanced version of the 'beep' test that was used by teams of earlier generations. The current Indian team is considered to be the fittest by a fair distance.
The level one
test is effectively the same as the standard beep
test. The Level 2 test starts at a higher
running speed and has different increments in speed (see Yo-Yo
Endurance Test Levels). There is also an intermittent
version of the Yo-Yo test, which incorporates a
recovery period after each 40m (2x20m) run.
Effect on Players - At 30, Raina still has age on his
side, but the lack of game time over the last one year and a half has made him
a sloucher version of himself. He, along with the 35-year-old Yuvraj, not to
make the cut to the ODI team based on their numbers during a Yo-Yo test
conducted at the National Cricket Academy in Bangalore.

