. Author manuscript; available in PMC: 2012 Feb 1.

Published in final edited form as: Bone. 2010 Sep 24;48(2):275–280. doi: 10.1016/j.bone.2010.09.028

Table 2. Mechanical properties of the Femur at 6 and 16 weeks of age.

	Eu 6 Weeks n=3	Ts 6 Weeks n=13	Eu 16 Weeks n=5	Ts16 Weeks n=12
	Ultimate Load (N)	22.51 (3.70)	16.36 (1.21)^*	24.98 (1.29)	21.47 (0.88)^*
Energy to Failure (mJ)	5.72 (1.23)	4.08 (0.31)^*	11.86 (0.53)	10.24 (0.60)
Stiffness (N/mm)	11.15 (2.66)	6.91 (0.63)^*	29.67 (2.34)	24.40 (0.89)^**
CSMI (mm⁴)	0.105 (0.009)	0.066 (0.004)^**	0.152 (0.019)	0.092 (0.006)^**
Ultimate Stress (N/mm²)	265.33 (59.01)	231.71 (6.33)	240.45 (21.73)	294.26 (15.92)
Young's Modulus (N/mm²)	1037.54 (369.18)	1055.92 (69.54)	2293.31 (445.84)	2934.35 (191.44)
Toughness (mJ/m³)	10.27 (2.77)	6.52 (0.50)^*	14.71 (0.87)	16.02 (0.91)

Data are presented mean ± (SEM).

p ≤ 0.05

^**

p ≤ 0.01