volume 29, issue 5, P651-654 1996
DOI: 10.1016/0021-9290(95)00118-2
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James G. Andrews, Sean P. Mish

Abstract: Two methods are presented for determining the sensitivity of joint resultants to variations in body segment parameters (BSPs) when solving inverse dynamics problems: the exact sampling method (ESM), and the approximate variational method (AVM). These methods are illustrated by applying them to a single segment in fixed-axis rotation. The results indicate that (a) the AVM provides first-order (linear) approximations to the total variations in joint resultants obtained when using the ESM, (b) the ESM should be u…

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