Table 2.
Correlation coefficients between subject characteristics, bone structure, and strain parameters. ⁎p < 0.05, ⁎⁎p < 0.01.
| Mean energy eqiv. strain (με) | Age (years) | Height (cm) | Body mass (kg) | ND grip strength (kg) | Adolescent loading (armBLI/year) | Adult loading (armBLI/year) | ||
|---|---|---|---|---|---|---|---|---|
| FE | Mean energy eqiv. strain (με) | −0.004 | −0.014 | −0.261⁎ | −0.092 | −0.029 | −0.177 | |
| HRpQCT | Total BMD (mg HA/cm3) | −0.684⁎⁎ | 0.022 | −0.253⁎ | −0.099 | −0.254⁎ | −0.182 | 0.005 |
| Trabecular BMD (mg HA/cm3) | −0.689⁎⁎ | −0.334⁎⁎ | −0.076 | −0.005 | 0.089 | 0.075 | 0.237⁎ | |
| Cortical BMD (mg HA/cm3) | −0.256⁎ | 0.301⁎ | −0.262⁎ | 0.029 | −0.472⁎⁎ | −0.085 | −0.220 | |
| Total area (mm2) | 0.092 | −0.181 | 0.550⁎⁎ | 0.343⁎⁎ | 0.620⁎⁎ | 0.145 | 0.190 | |
| Trabecular number (1/mm) | −0.327⁎⁎ | −0.457⁎⁎ | 0.080 | 0.190 | 0.069 | 0.162 | 0.153 | |
| Cortical thickness (mm) | −0.498⁎⁎ | 0.157 | −0.160 | −0.031 | −0.165 | −0.232⁎ | −0.024 | |
| Cortical porosity (%) | 0.001 | −0.184 | 0.159 | −0.027 | 0.285⁎ | 0.034 | 0.228 | |
| DXA | Areal BMD (mg HA/cm2) | −0.708⁎⁎ | −0.107 | 0.110 | 0.291⁎ | 0.209 | −0.057 | 0.149 |