Assessing Hip and Trunk Flexibility With Modified Sit and Reach Test

Hip and Trunk Flexibility

The objective of this test is to monitor the development of the athlete’s hip and trunk flexibility.

Required resources

To undertake this test you will require:
1. ‘Sit & reach’ table
2. Yard stick

3. Assistant.

    How to conduct the Modified Sit and Reach Test

    Starting position
    Modified Sit and Reach Test
    • Sit on the floor with the back and head against a wall, legs fully extended with the bottom of the feet against the sit-and-reach box
    • Place the hands on top of each other, stretching the arms forward while keeping the head and back against the wall
    • Measure the distance from the finger tips to the box edge with a ruler. This becomes zero or starting point.

    Movement

    Modified Sit and Reach Test
    • Slowly bend and reach forward as far as possible sliding the fingers along the ruler
    • Hold the final position for 2 seconds
    • Record the distance reached to the nearest 1/10 of an inch
    • Repeat the test 3 times and note the best distance.

    Analysis

    Analysis of the result is by comparing it with the results of previous tests. It is expected that, with appropriate training between each test, the analysis would indicate an improvement.

    Normative data for the modified sit & reach test

    The following are national norms for 16 to 19 year olds.

    Gender
    Excellent
    Above average
    Average
    Below Average
    Poor
    Male
    >14cm
    11-14cm
    7-10cm
    4-6cm
    <4cm
    female
    >15cm
    12-15cm
    7-11cm
    4-6cm
    <4cm

    Table Reference: Davis B. et al; Physical Education and the Study of Sport; 2000

    Target group

    This test is suitable for active individuals but not for those where the test would be contraindicated.

    Reliability

    Reliability would depend upon how strict the test is conducted and the individual’s level of motivation to perform the test.

    Validity

    There are published tables to relate results to potential level of fitness and the correlation is high.

    Reference

    Mackenzie, Brian. 2005. 101 Performance Evalution Test. Electric World Plc. London.
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