Background and Purpose: Neurodynamic testing used to assess the femoral nerve component of the nervous system in patients with lower back pain or anterior knee pain. However, little data is available for nerodynamic responses of the femoral slump test. The purposes of this study were to establish the measurement reliability of the hip extension angle during femoral slump test, and to compare the neurodynamic responses between limbs. Methods: Seventeen healthy female participants (25.64±3.44 years) were recruited. The femoral slump test was performed bilaterally on two sessions in the same day for the first 10 subjects. Neck extension movement was used as structural differential maneuver. Hip extension angle (ROM 1 and ROM 2) and pain produced by the test (VAS 1 and VAS 2) were recorded. The intraclass correlation coefficient (ICC) was calculated for the measurement reliability, and paired-t test was used to examine the bilateral differences in hip angle measurement. Results: The ICC values of the hip extension measurement were between 0.91 and 0.99. With neck extension, pain reduced and hip extension angle increased. Significant differences existed between dominant and non-dominant legs with p<0.05 for both ROM 1 and ROM 2. There was no significant effect of limb dominance on the difference of hip extension angle before and after the application of structural differentiation maneuver. Conclusion and Clinical Relevance: This study proved that femoral slump test is a neurodynarmic testing with excellent test-retest reliability. Use of femoral slump test should take into account the effect of limb dominance on the measurement of hip extension range. Future research should include subjects of both genders and in different age range, and with pathologies such as low back pain or anterior knee pain, to build up a more comprehensive data on neurodynamic responses of the femoral slump test, and to provide basis for clinical evaluation and decision making.
Background and Purpose: Neurodynamic testing used to assess the femoral nerve component of the nervous system in patients with lower back pain or anterior knee pain. However, little data is available for nerodynamic responses of the femoral slump test. The purposes of this study were to establish the measurement reliability of the hip extension angle during femoral slump test, and to compare the neurodynamic responses between limbs. Methods: Seventeen healthy female participants (25.64±3.44 years) were recruited. The femoral slump test was performed bilaterally on two sessions in the same day for the first 10 subjects. Neck extension movement was used as structural differential maneuver. Hip extension angle (ROM 1 and ROM 2) and pain produced by the test (VAS 1 and VAS 2) were recorded. The intraclass correlation coefficient (ICC) was calculated for the measurement reliability, and paired-t test was used to examine the bilateral differences in hip angle measurement. Results: The ICC values of the hip extension measurement were between 0.91 and 0.99. With neck extension, pain reduced and hip extension angle increased. Significant differences existed between dominant and non-dominant legs with p<0.05 for both ROM 1 and ROM 2. There was no significant effect of limb dominance on the difference of hip extension angle before and after the application of structural differentiation maneuver. Conclusion and Clinical Relevance: This study proved that femoral slump test is a neurodynarmic testing with excellent test-retest reliability. Use of femoral slump test should take into account the effect of limb dominance on the measurement of hip extension range. Future research should include subjects of both genders and in different age range, and with pathologies such as low back pain or anterior knee pain, to build up a more comprehensive data on neurodynamic responses of the femoral slump test, and to provide basis for clinical evaluation and decision making.
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