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Table 2 Impulse delivered during a loading cycle with Method 2: using a constant loading rate during ascending and descending phases

From: Controlled manual loading of body tissues: towards the next generation of pressure algometer

Phase Ascending phase Peak phase Descending phase Totals
Peak force = f (constant) = f (constant) = f (constant) = f
Time = a (variable)
= f/ra
= p (constant) = d (variable)
= f/rd
= f*ra + p + f*rd (variable)
Loading rate = ra (constant) = zero (constant) = rd (constant)  
Impulse = f*a/2
= f(f/ra)/2
= f2/2ra
= f*p = f*d/2
= f(f/rd)/2
= f2/2rd
= f2/2ra + f*p + f2/2rd