Control of Lower Extremity Joint Moments During Sit-to-Stand Among Blind Children

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Abstract

The purpose of this study was to assess whether time of constrain of visual information influences the joint moments of sit-to-stand maneuver in children or not. Ten girls with congenital blindness and 20 healthy girls with no visual impairments were randomly selected. The girls with congenital blindness were placed in 1 group, and the 20 girls with no visual impairments were divided into 2 groups of 10, control and treatment. The participants in the treatment group were asked to close their eyes for 20 minutes before the test, whereas those in the control group kept their eyes open. The performance of the participants in all 3 groups was measured using a motion capture system and 2 force plates. On both sides in the sagittal, frontal, and transverse planes, the joint moments of lower extremities exhibited any significant difference. These findings suggest that long-term and short-term visual memory have not the major influence on the joint moments.

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