Effects of alignment on interface pressure for transtibial amputee during walking
Effects of alignment on interface pressure for transtibial amputee during walking
复制标题
正位对小腿截肢者行走时界面压力的影响
DOI：
10.1080/17483100802044634
复制
发表时间：
2008-01-01
影响因子：
2.2
通讯作者：
Wang, Rencheng
中科院分区：
文献类型：
--
作者：
Jia, Xiaohong;Suo, Shuangfu;Wang, Rencheng
Studies examining interface pressure between residual limb and prosthetic socket have been restricted to unsupported stance and natural gait. However, the mechanical behavior at interface for unilateral transtibial amputees during walking when the prosthesis is misaligned is unclear. One male subject with transtibial amputation volunteers for the study. Interface pressures over five sites are measured under three sagittal alignment settings. MP (mean peak interface pressure), TP90+ (time in which pressure exceeded 90% of peak pressure) and TPI90+ (time --- pressure integral at the period of sustained sub-maximal load) are discussed for each alignment setting. compared with optimal alignment, the trend of interface pressure, the mean peak pressure do not change much, but the duration of sub-maximal pressure remarkably, except that at the patellar tendon, and finally the TPI90+ changes considerably with different alignment settings. The results offer the clinician and paramedical staff further insight in residual limb/socket interface mechanics in the transtibial amputation patients and provide potentially useful information for socket design and prosthesis fitting.
