Biomedical Engineering Reference
In-Depth Information
The polarity and the magnitude of this ankle moment indicate strong plan-
tarflexor activity acting to push off the foot and cause it to rotate clockwise
about the metatarsophalangeal joint.
5.2.6 Interpretation of Moment-of-Force Curves*
A complete link-segment analysis yields the net muscle moment at every joint
during the time course of movement. As an example, we discuss in detail
the ankle moments of force of a hip joint replacement patient, as shown in
Figure 5.14. Three repeat trials are plotted. The convention for the moments
is shown to the right of the plot. Counterclockwise moments acting on a
Figure 5.14
Joint moment-of-force profiles from three repeat trials of a patient fitted
with a total hip replacement. See the text for a detailed discussion.
∗
Representative paper: Pedotti, 1977.
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