C
D
B
A
Z-disk
Sarcomere length
Actin filament
Myosin filament
(a)
C
B
100
D
Force (%)
75
50
25
A
1
2
3
4
(b)
Length of sarcomere (μm)
222
Biomedical Signal and Image Processing
FIGURE 11.3 Muscle force as a function of contraction length. (a) State of each action; and
(b) position in force-length curve.
2.0
Muscle force (N)
1.6
1.2
0.8
0.4
0
Action potentials
FIGURE 11.4 Diagram of contraction EMG under continuous stimulus by action potentials.
D
B
A
Z-disk
Sarcomere length
Actin filament
Myosin filament
(a)
C
B
100
D
Force (%)
75
50
25
A
1
2
3
4
(b)
Length of sarcomere (μm)
222
Biomedical Signal and Image Processing
FIGURE 11.3 Muscle force as a function of contraction length. (a) State of each action; and
(b) position in force-length curve.
2.0
Muscle force (N)
1.6
1.2
0.8
0.4
0
Action potentials
FIGURE 11.4 Diagram of contraction EMG under continuous stimulus by action potentials.