Appendicular Lean Mass Index (ALMI): Age Trend
Median ALMI peaks at 40-44 in men (8.72 kg/m²); women stay at 6.43-6.70 to age 69. At 85+ it is 7.02 and 5.89. All US adults, NHANES 1999-2004 Hologic DXA.
Appendicular Lean Mass Index (ALMI) Body Composition Trend
appendicular lean mass index ALMI appendicular lean mass ALM limb muscle mass sarcopenia screening skeletal muscle index NHANES DXA trend aging norms normative data normative values reference values percentiles benchmarks reference ranges standards Appendicular Lean Mass Index (ALMI) by Age Chart (kg/m²)
Appendicular Lean Mass Index (ALMI) Median Values
| Age | Male (kg/m²) | Female (kg/m²) |
|---|---|---|
| 20-24 | 8.44 | 6.52 |
| 25-29 | 8.55 | 6.70 |
| 30-34 | 8.61 | 6.69 |
| 35-39 | 8.70 | 6.62 |
| 40-44 | 8.72 | 6.70 |
| 45-49 | 8.67 | 6.68 |
| 50-54 | 8.64 | 6.48 |
| 55-59 | 8.33 | 6.52 |
| 60-64 | 8.42 | 6.47 |
| 65-69 | 8.11 | 6.43 |
| 70-74 | 7.82 | 6.22 |
| 75-79 | 7.66 | 5.99 |
| 80-84 | 7.34 | 6.00 |
| 85+ | 7.02 | 5.89 |