Table 7. Stepwise Multiple Regression predicting hip bone mineral density (BMD)
from isokinetic leg strength variables in combined age groups.

BMD Site

Predictor Variable

b

SEE

R2

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.