Change of direction task completion strategy: Reliability and rationale

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Richard Clarke

Traditional performance assessment of change of direction (COD) speed has been via a single reported total time variable during tests such as the 505 test. However, a performer’s overall COD ability is contributed to by factors such as straight-line sprinting speed, acceleration and deceleration. Therefore, it has been proposed that discrete qualities such as entry and exit speed could be examined independently which may provide greater information to coaches for enhancing performance. However, the reliability of such measures during the 505 test have not been investigated.