Abstract
The present study aimed to compare the effects of chair height and anterior seat inclination on sit-to-stand (STS) performance in children with spastic diplegic cerebral palsy (SDCP). Twelve children with SDCP were tested with three conditions of STS task: low chair with horizontal seat (control), low chair with anterior seat inclination (AiC), and high chair with horizontal seat (HiC) conditions. A 3D motion analysis system and two force plates were used to collect and analyze the movement time, mechanical work, kinematics, and kinetics. The results showed that in the AiC and HiC conditions, movement time and mechanical work during STS were significantly reduced when compared with the control condition. In addition, in the AiC condition, trunk alignment at the beginning of the STS task improved and the range of pelvis movement reduced, whereas in the HiC condition, the range of movement of hip, knee, and ankle joint and maximum hip and knee extension moment were reduced in children with SDCP when compared with the control condition. These results suggest that chair height and anterior seat inclination may have a positive effect on STS ability in children with SDCP.Trial register No. TCTR20170619003.
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