INVOLUNTARY
PECTORALIS
VOLUNTARY
SKELETON
ACHILLES
TRICEPS
GLUTEUS
MAXIMUS
BICEPS
MUSCLE
FIBRES
TENDON
LAYER
SKIN
I
V
O
L
U
N
T
A
R
Y
E
A
K
H
E
F
F
E
H
R
Q
A
R
X
Q
G
W
V
U
V
O
A
O
I
L
E
E
H
N
O
M
A
A
T
T
P
E
E
C
O
B
Z
S
Y
P
W
O
A
U
G
D
F
V
U
H
F
B
R
P
E
A
R
E
V
X
Q
H
I
H
Z
I
V
E
R
E
Y
P
L
L
P
C
I
T
E
N
D
O
N
J
X
L
S
E
E
S
E
V
G
M
J
G
V
O
C
S
A
S
K
Y
L
C
U
E
O
N
U
I
Y
S
I
C
A
C
S
W
R
C
T
E
I
M
O
S
I
S
J
U
O
T
H
E
A
A
S
O
T
M
U
T
K
O
I
A
X
R
I
I
E
G
T
U
R
U
S
B
E
I
B
N
Y
E
A
N
L
M
I
N
M
A
L
A
N
L
N
C
H
T
U
U
S
L
U
O
U
O
L
G
O
A
E
Q
A
G
N
W
A
B
E
M
U
L
O
I
U
I
A
K
P
B
M
B
A
A
I
S
A
L
O
W
S
B
U
M
S
L
W
A
E
F
W
I
A
F
P
V
T
B
I
C
E
P
S
Z
A
Z
Z
S
D
M
E
N
N
U
Z
T
T
R
I
C
E
P
S
I
S
U
E
G
E
I
