Table 1.

Changes in integral bone loss (vBMD [post-pre bed rest]) in regions of the hip and lumbar spine in control and exercise groups of subjects.

	Region	Control			Exercise
		Mean g/cm3	SD g/cm3	Delta/mo %	Mean g/cm3	SD g/cm3	Delta/mo %
Hip
Integral	F Necka	–16.03	16.95	− 1.46%	–0.20	8.29	− 0.05%
	Troch	–9.75	9.56	− 1.32%	–4.02	10.39	− 0.58%
	Inter	–20.05b, c	11.28	− 1.50%	13.26b	21.95	1.03%
	Total	–17.61b, c	10.61	− 1.64%	4.88b	13.32	0.48%
Cortical	F Neck	–24.91	72.96	− 0.63%	22.81	37.11	1.19%
	Troch	–10.50	52.33	− 0.36%	45.16	48.08	1.96%
	Inter	–15.59	21.44	− 0.54%	23.24	30.93	0.90%
	Total	–15.68	31.1	− 0.51%	29.02	32.71	1.21%
Trabecular	F Neck	–6.59c	4.85	− 1.20%	–0.12	5.73	− 0.17%
	Troch	–4.90	5.68	− 1.02%	–2.47	6.78	− 0.63%
	Inter	–4.89	8.8	− 0.88%	–0.32	13.4	− 0.22%
	Total	–5.26	6.88	− 1.01%	–1.20	9.24	− 0.36%
Spine
Integral	L1	3.8	8.06	0.65%	2.84	10.14	0.42%
	L2	2.85	6.82	0.57%	1.19	9.45	0.10%
	L1 + L2	3.33	7.04	0.65%	2.01	9.61	0.30%

^aF. Neck, femoral neck; Troch, trochanter; Inter, intertrochanteric region.

^bSignificant difference between groups p < 0.0125.

^cSignificant difference from baseline p < 0.0125.