2.4.5. Dynamic Flexibility
The sit and reach in V is a test commonly used to measure the dynamic flexibility of the hamstring muscles and the posterior musculature in general. This test consists of placing the subject seated on the floor in front of two boxes with one foot resting on each one without any type of footwear. In addition, a metric tape is placed 40 cm from the line formed by both boxes, which will be considered the zero point. The subject, keeping the knees completely extended, performs a maximum trunk flexion trying to cover the greatest possible distance with his upper limbs without altering the rest of the position, the distance covered by the subject on the tape measure was taken as the result, and in the case of not reaching the 0 point, negative values were taken [