Table 1 Summary of participant’s characteristics and muscle properties measured using magnetic resonance imaging
Pooled | Older | Young | |||||
|---|---|---|---|---|---|---|---|
Total | Men | Women | Total | Men | Women | ||
n = 134 | n = 91 | n =40 | n = 51 | n = 43 | n = 22 | n = 21 | |
Age, years | 59.8 ± 23.8 | 75.4 ± 6.7 | 76.7 ± 6.2 | 74.4 ± 7.0 | 26.1 ± 4.7 | 27.3 ± 4.4 | 24.9 ± 4.7 |
Height, cm | 160.7 ± 8.9 | 158.5 ± 9.0 | 166.1 ± 6.0 | 152.1 ± 5.6 | 165.5 ± 6.6 | 170.4 ± 4.3 | 160.4 ± 4.3 |
Weight, kg | 55.3 ± 8.7 | 54.2 ± 9.0 | 60.8 ± 7.9 | 48.8 ± 5.7 | 57.8 ± 7.7 | 63.0 ± 5.5 | 52.5 ± 5.6 |
Body mass index, kg/m2 | 21.4 ± 2.4 | 22.0 ± 2.6 | 21.1 ± 2.6 | 21.5 ± 2.6 | 21.0 ± 1.9 | 21.7 ± 1.5 | 20.4 ± 2.2 |
MV, cm3 | 301.2 ± 98.5 | 267.9 ± 80.5 | 325.0 ± 60.7 | 220.9 ± 62.5 | 373.2 ± 97.4 | 451.4 ± 63.7 | 291.3 ± 43.6 |
CSA, cm2 | 15.1 ± 4.5 | 13.8 ± 3.9 | 16.2 ± 3.5 | 11.8 ± 3.1 | 17.9 ± 4.4 | 21.1 ± 2.9 | 14.5 ± 2.9 |
IntraMAT, % | 6.5 ± 2.1 | 7.0 ± 2.2 | 6.5 ± 1.5 | 7.5 ± 2.7 | 5.4 ± 1.1 | 5.1 ± 0.8 | 5.7 ± 1.4 |