Coda AMPLIFIER 15.0 Uživatelská příručka stáhnout pdf (Strana 110)

Charnwood Dynamics Ltd. Coda cx1 User Guide – Advanced Topics III - 4

CX1 USER GUIDE - COMPLETE.doc 26/04/04

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Scalar quantities are in normal type, e.g. µ

We shall require the use of both scalar and vector products of two vectors, shown

respectively as v

and v

1 ^

Subscripts are used for a variety of purposes: to specify a component of a vector (e.g. R

is the ‘x’ component of reaction vector R ), or else to attach a segment label (e.g. Q

torque applied to the foot).

We can now proceed with the analysis, beginning with the foot which, treated as a free

body, is subject to a number of linear forces such as weight due to gravity acting at the

segmental mass centre, the resultant of accumulated ground reaction acting at the

allocated centre of pressure, and the ankle-joint reaction which, taken in conjunction

with the athropometric data, enable us with the method of inverse dynamics to determine:

1 2 ... 105 106 107 108 109 110 111 112 113 114 115 ... 161 162

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Coda AMPLIFIER 15.0 Uživatelská příručka Strana 110