Criterion-related validity of knee joint-position-sense measurement using image capture and isokinetic dynamometry.

نویسندگان

  • Nicola Relph
  • Lee Herrington
چکیده

CONTEXT Clinicians require portable, valid, and cost-effective methods to monitor knee joint-position-sense (JPS) ability. OBJECTIVE To examine the criterion-related validity of image-capture JPS measures against an isokinetic-dynamometer (IKD) procedure. DESIGN Random crossover design providing a comparison of knee JPS measures from image capture and IKD procedures. PARTICIPANTS 10 healthy participants, 5 female, age 28.0 ± 13.29 y, mass 60.3 ± 9.02 kg, height 1.65 ± 0.07 m, and 5 male, 29.6 ± 10.74 y, mass 73.6 ± 5.86 kg, height 1.75 ± 0.07 m. MAIN OUTCOME MEASURES The dependent variables were absolute error scores (AES) provided by 2 knee directions (flexion and extension). The independent variables were the method (image capture and IKD). RESULTS There was no significant difference between clinical and IKD AES into knee-flexion data (P = .263, r = 0.55). There was a significant difference between clinical and IKD AES into knee-extension data (P = .016, r = .70). CONCLUSIONS Analysis of photographic images to assess JPS measurements using knee flexion is valid against an IKD positioning method, but JPS measurements using knee extension may not be valid against IKD techniques. However, photo-analysis measurements provided a lower error score using knee-extension data and thus may provide an optimal environment to produce maximal knee JPS acuity. Therefore, clinicians do not need expensive equipment to collect representative JPS ability.

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عنوان ژورنال:
  • Journal of sport rehabilitation

دوره Technical Notes 10  شماره 

صفحات  -

تاریخ انتشار 2015