Journal of the American Podiatric Medical Association, Vol 83, Issue 11 625-633, Copyright © 1993 by American Podiatric Medical Association

JOURNAL ARTICLE

Correlation between limb length discrepancy and asymmetrical rearfoot position

RL Blake and HJ Ferguson
Center for Sports Medicine, Saint Francis Memorial Hospital, San Francisco, CA.

Ten subjects with a known limb length discrepancy were filmed with the two-dimensional Motion Analysis Foot Trak System; eight were filmed running and walking and two were filmed walking only. A control group of ten subjects with no measured limb length discrepancy was filmed in the same manner (eight walking and running and two walking only). The calcaneus-to-vertical angle was recorded for the entire stance gait cycle (heel contact to toe-off). Analysis of the data between the short and long side showed a significant difference in calcaneal position between the two sides at midstance, with the longer side being more everted by 3 degrees or greater than the short side in most cases. There was no significant difference in the calcaneus-to-vertical angle at heel contact between the long and short side. There was no significant difference between the calcaneus-to-vertical angles of the right and left sides of the ten control subjects, either walking or running.

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