期刊
JOURNAL OF SPORT REHABILITATION
卷 20, 期 3, 页码 333-344出版社
HUMAN KINETICS PUBL INC
DOI: 10.1123/jsr.20.3.333
关键词
testing and measurement; goniometry; range of motion
Context: Limited ankle DF (DF) range of motion (ROM) resulting from restricted gastrocnemius and soleus mobility is associated with a variety of lower extremity pathologies. Several techniques are used clinically to measure ankle DF. Objectives: To evaluate the reliability and minimal detectable change of DF ROM measurement, determine whether there is a difference in measured DF between techniques, and quantify the electromyographic (EMG) activity of the soleus and tibialis anterior muscles associated with the techniques. Design: Repeated measures. Setting: Controlled laboratory setting. Participants: 39 healthy subjects, age 22-33. Main Outcome Measures: DF measurements using 5 different techniques including active and passive DF with the knee extended and flexed to 900 and a modified lunge. EMG activity of the soleus and anterior tibialis muscles. Results: Intrarater reliability values (ICC3,1) ranged from .68 to .89. Interrater reliability (ICC2,1) ranged from .55 to .82. ICCs were the greatest with the modified lunge. The minimal detectable change (MDC95) ranged from 6 degrees to 8 degrees among the different techniques. A significant difference in DF ROM was found between all methods. Measurements taken with active DF were greater than the same measures taken passively. The lunge position resulted in greater DF ROM than both active and passive techniques. EMG activity of the soleus was greater with active DF and the lunge than with passive DF. Conchisions: The modified lunge, which demonstrated excellent intrarater and interrater reliability, may best represent maximal DF. Active end-range DF was significantly greater than passive end-range DF when measured at either 0 degrees or 90 degrees knee flexion. Greater active DF was not explained by inhibition of the soleus. Finally, using the modified lunge, a difference between 2 measurements over time of 6 degrees or more suggests that a meaningful change has occurred.
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