Non-uniform decay in jumping exercise-induced bone gains following 12 and 24 weeks of cessation of exercise in rats

Table 2 Bone mass and mechanical properties: means fat-free dry weight and ultimate bending force of the right tibias of the rats

Groups	Tibial fat-free dry weight (mg)			Tibial ultimate bending force (N)
Groups	Mean ± SD	Percent difference compared to age-matched sedentary control (%)	Percent difference compared to baseline control (%)	Mean ± SD	Percent difference compared to age-matched sedentary control (%)	Percent difference compared to baseline control (%)
C	315.91 ± 22.68			72.10 ± 7.08
8S	393.25 ± 42.49		+24.48	91.60 ± 14.08		+27.05
8Ex	424.47 ± 27.57^a	+7.9	+34.36	103.20 ± 9.31^a	+12.7	+43.13
20S	417.86 ± 48.51		+32.27	90.70 ± 13.87		+25.80
8Ex12S	424.54 ± 55.14	+1.6	+34.39	103.70 ± 14.28^a	+14.3	+43.83
20Ex	480.97 ± 35.93^a,b	+15.1	+52.25	122.90 ± 13.25^a,b	+35.5	+70.46
32S	430.04 ± 30.00		+36.13	104.60 ± 12.39		+45.08
8Ex24S	452.67 ± 24.75	+5.3	+43.29	110.70 ± 14.17	+5.8	+53.54
32Ex	497.51 ± 50.09^a,c	+15.7	+57.48	126.10 ± 16.56^a,c	+20.6	+74.90

ISSN: 1880-6562