Sach (solid ankle, cushioned heel)
- has been standard for decades, and is still appropriate for general use, however, the multiaxis foot and energy storing foot are becoming
- w/ BKA prosthesis if Sach foot heel cushion is too soft knee will be hyperextending during stance phase;
- AKA prosthesis which has its Sach foot attached too far posterior on the shin, will cause the knee to buckle at heel strike
Original Text by Clifford R. Wheeless, III, MD.
Last updated by Data Trace Staff on Tuesday, September 6, 2011 1:41 pm