The performer is upright out of the blocks and the innitial strides are to short and weak

-This performer Sprints in a seated position and demonstrates a pattering type of stride pattern and associated arm action - Low hip position - Low knee lift - Flat feet - Prevents full rear leg extension and results in a incomplete stride length

The arms are swinging out wide in the backwards phase of the arm drive this wayward arm action upsets the rhythm of the upper body and causes the head to rotate

This performer is running with the head tilted back Eyes focusing upwards Also the line of running is not in a straight line

It is important that the athletes leave the block low and hard have a look and see if you can spot the differences