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Table 1 Muscle model parameters

From: Voluntary EMG-to-force estimation with a multi-scale physiological muscle model

 

Parameter

Unit

Value

 

b

-

0.5

 

V sh

-

0.3

 

Lc 0(G A S)

cm

5.1

Hill

Lt 0(G A S)

cm

40

 

Pennation Ï•(GAS)

Degrees

14

Common

F m (GAS)

N

1600

parameters

Lc 0(S O L)

cm

3.0

 

Lt 0(S O L)

cm

26.8

 

Pennation Ï•(SOL)

Degrees

30

 

F m (SOL)

N

2830

 

k t

N/m m

180

 

A (subject1)

-

-1.7

Nonlinear

A (subject2)

-

-1.2

Hill

A (subject3)

-

-1.7

 

A (subject4)

-

-1.5

 

U c

1/s

5

Physiological

U r

1/s

10

model

k m

N/m

F m ×20

  1. Only A parameter for nonlinear Hill model is identified for each subject.