Table 7.
Stepwise Multiple Regression predicting hip bone mineral density (BMD) from isokinetic leg strength variables in combined age groups.
BMD Site
Predictor Variable
β
SEE
R
2
Total Body
Quad PT 60°·s
-1
.404
.116
.151
***
Quad PT 180°·s
-1
.358
.119
.116
*
Quad PT 240°·s
-1
.347
.119
.108
*
Spine
none
Femoral Neck
Quad PT 60°·s
-1
.413
.118
.448
***
Age
-.344
Quad PT 180°·s
-1
.470
.115
.471
***
Age
-.294
Quad PT 240°·s
-1
.486
.115
.473
***
Age
-.273
Trochanter
Ham PT 60°·s
-1
.468
.150
.208
***
Ham PT 180°·s
-1
.481
.149
.220
***
Ham PT 240°·s
-1
.413
.155
.159
***
Total Hip
Ham PT 60°·s
-1
.337
.118
.371
***
Quad PT 60°·s
-1
.328
Quad PT 180°·s
-1
.598
.121
.348
***
Quad PT 240°·s
-1
.596
.121
.346
***
PT = Peak Torque. Independent variables: age; Quad, Quadriceps PT; and Ham, Hamstrings PT.
* p < 0.01
*** p < 0.001.