Table 1
Bone mineral content, bone mineral density and bone area measured at the femur, lumbar spine and whole body, for the three groups, before a 6wk exercise intervention. Data are means (±SD).
Bone mineral
content (mg
Bone mineral
density (mg·cm
2
)
Bone area
(cm
2
)
Femur
Control
164 (31)
174 (17)
.94 (.09)
Swimmers
146 (22)
169 (12)
.86 (.07)
Runners
178 (14)
180 (7)
.99 (.05)
Lumbar spine
Control
301 (50)
160 (13)
1.87 (.16)
Swimmers
279 (38)
157 (10)
1.77 (.15)
Runners
339 (36)
168 (9)
2.01 (.12)
Whole body
Control
4497 (558)
111 (9)
40.54 (2.77)
Swimmers
4106 (371)
108 (6)
38.05 (2.10)
Runners
4681 (351)
118 (49
39.77 (2.74)