Comparing the Sit and Reach with the Modified Sit and Reach in Measuring Flexibility in Adolescents

in Pediatric Exercise Science
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This study compared the proposed modified sit and reach test (MSR) and the commonly administered sit and reach test (SR) to determine if the MSR can administratively control possible limb-length biases. Subjects (N=258) were administered two trials of each test. The MSR test incorporates a finger-to-box distance (FBD) to account for proportional differences between legs and arms. Individuals with high FBD measurements demonstrated a poorer performance on the SR test. An analysis of the subjects failing to meet the Physical Best standard (25 cm) indicated a higher probability of failure for those with larger FBD scores. The subjects were subsequently separated into three groups: high, medium, and low FBD. There were no significant difference among the groups on MSR performance but a significant difference was found on SR performance. The MSR test appears to eliminate the concern of disproportionate limb-length bias expressed by many practitioners.

Werner Hoeger and Sherman Button are with the Dept. of Physical Education at Boise State University, Boise, ID 83707. Troy Palmer is a graduate student in that department. David Hopkins is with the Dept. of Physical Education at Indiana State University, Terre Haute, IN 47809.

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