Final answer:
The sit-and-reach test evaluates hamstring flexibility by measuring one's ability to reach towards the toes while sitting. It is crucial for assessing and improving lower back and hamstring flexibility.
Explanation:
The sit-and-reach test assesses hamstring flexibility. It is a common assessment used to measure the flexibility of the hamstrings and lower back. Performing this test involves sitting on the floor with legs extended and reaching towards the toes to evaluate flexibility.
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