Intermuscular Adipose Tissue Is Muscle Specific and Associated with Poor Functional Performance
Table 2
ANOVA results: muscle morphology measures; all values are means (SD) in cm3.
HO
D
DN
values
Muscle volume
404 (90)
434 (72)
407 (88)
0.65
IMAT volume
67 (54)
65 (36)
70 (40)
0.94
Anterior compartment muscle volume
62 (9)
69 (15)
65 (14)
0.57
Anterior compartment IMAT volume
7 (5)
10 (11)
9 (5)
0.53
Lateral compartment muscle volume
36 (10)
38 (9)
37 (11)
0.85
Lateral compartment IMAT volume
6 (5)
5 (3)
7 (4)
0.62
Deep compartment muscle volume
51 (15)
54 (13)
60 (12)
0.15
Deep compartment IMAT volume
9 (6)
8 (4)
11 (5)
0.23
Soleus muscle volume
127 (28)
130 (26)
118 (32)
0.46
Soleus IMAT volume
14 (14)
14 (8)
15 (10)
0.97
Gastroc. muscle volume
128 (31)
142 (27)
122 (40)
0.35
Gastroc. IMAT volume
31 (28)
27 (15)
28 (21)
0.90
IMAT/muscle volume
0.144 (0.07)
0.158 (0.11)
0.193 (0.16)
0.58
Anterior compartment: comprised of tibialis anterior, extensor digitorum longus, and extensor hallucis longus muscles. Lateral compartment: comprised of peroneus longus and brevis muscles. Deep compartment: comprised of the tibialis posterior, flexor digitorum longus, and flexor hallucis longus muscles.