This study compared toe grip strength of injured and non-injured male judo athletes (5 and 21 subjects, respectively). Toe grip strength was measured by replacing the digital hand grip strength meter with the toes. The grip strength of the toes was measured by gripping a bar with multiple toes from first to fourth toe. Toe grip strength was measured in sitting and standing positions, in the order of right, left and both feet, twice on each site, with the higher value being used as the measured value. The measurements of toe grip strength in sitting position were 28.4±9.7 kg and 32.7±5.6 kg in the injured group and the non-injured group, respectively. These measurements were considerably higher than those of healthy subjects. Next, a comparison between the injured group and the non-injured group revealed that measurements in sitting position were lower, although not significant, in the injured group for all measurement items. In addition, the injured group showed a significant difference from the non-injured group in left foot measurements and in Relative Absolute Difference between right and left feet. These results suggest that judo athletes with lower limb injury may have lower toe grip strength and greater Relative Absolute Difference between right and left feet.
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