TABLE 6.

Dietary intake data before and at the end of the 70-d bed rest study¹

	Pre-bed rest	Bed rest
APro:K, g/mEq
Control	0.68 ± 0.01	0.75 ± 0.03
Exercise	0.68 ± 0.04	0.73 ± 0.03
Energy, kcal/kg
Control	34.2 ± 1.5	31.4 ± 2.9
Exercise	36.6 ± 1.7	37.3 ± 2.2
Total protein, g/kg
Control	1.31 ± 0.05	1.18 ± 0.12
Exercise	1.40 ± 0.07	1.43 ± 0.09
Potassium, mg/d
Control	3553 ± 307	3142 ± 446
Exercise	3834 ± 327	3839 ± 468
Calcium, mg/d
Control	1746 ± 247	1531 ± 277
Exercise	1884 ± 104	1785 ± 114
Sodium, mg/d
Control	3698 ± 385	3212 ± 478
Exercise	3946 ± 316	3835 ± 398

¹The data are 7-d means ± SDs before bed rest (pre-bed rest) and 7-d means ± SDs during the last week of bed rest (bed rest). Control, n = 6; exercise, n = 5. APro:K, animal protein:potassium ratio.