Appendicular Lean Mass Index (ALMI): Age Trend
Median ALMI peaks at age 40–44 (9.1 kg/m² men, 7.0 women), then declines with age, falling to 7.7 and 6.2 by age 85.
Data source: Kelly et al. (NHANES DXA) About this study
Appendicular Lean Mass Index (ALMI) Body Composition Trend
appendicular lean mass index ALMI appendicular lean mass ALM limb muscle mass sarcopenia 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 | 8.87 | 6.81 |
| 25-29 | 8.94 | 6.86 |
| 30-34 | 9.02 | 6.90 |
| 35-39 | 9.09 | 6.93 |
| 40-44 | 9.12 | 6.95 |
| 45-49 | 9.11 | 6.93 |
| 50-54 | 9.05 | 6.90 |
| 55-59 | 8.95 | 6.84 |
| 60-64 | 8.81 | 6.76 |
| 65-69 | 8.64 | 6.67 |
| 70-74 | 8.44 | 6.57 |
| 75-79 | 8.21 | 6.45 |
| 80-84 | 7.97 | 6.33 |
| 85+ | 7.72 | 6.20 |