A device was designed and constructed to apply a weightbearing load equal to that of 50% body weight with minimal to no patient discomfort. The resultant effects on foot configuration were significant, and are useful for assessment of degree of flexible flat foot deformity, thus guiding clinical management. The measure which most significantly differed between pes planus patients and normal volunteers was the forefoot arch angle. Forefoot arch angle may therefore be the most useful measure for the imaging diagnosis of flexible pes planus, and the degree of planus deformity.

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Sonography reliably detects and quantifies supraspinatus tears. Both the Crass and the modified Crass positions reflected the true size of supraspinatus tears in the transverse plane. In the sagittal plane, the Crass position is the more useful to quantify supraspinatus tears because the modified Crass position overestimates the size of such tears.

No abstract