Table 6. Stepwise Multiple Regression predicting bone mineral density (BMD) from isotonic leg strength variables in combined age groups.
| BMD Site |
Predictor Variable |
β |
SEE |
R2 |
| Total Body |
Quadriceps 1-RM |
.402 |
.116 |
.150 *** |
| Spine |
none |
|
|
|
| Femoral Neck |
Quadriceps 1-RM |
.423 |
.112 |
.501 *** |
|
Age |
-.371 |
|
|
| Trochanter |
Quadriceps 1-RM |
.395 |
.156 |
.144 *** |
| Total Hip |
Quadriceps 1-RM |
.650 |
.114 |
.414 *** |
RM = repetition maximum. Independent variables: age, quadriceps 1-RM, and hamstrings 1-RM.*** p < 0.001.