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. Author manuscript; available in PMC: 2013 Sep 21.
Published in final edited form as: J Biomech. 2012 Aug 9;45(14):2457–2461. doi: 10.1016/j.jbiomech.2012.06.027

Table 2.

Stress, strain, stiffness, modulus and the associated variables at the beginning and end of the study for both boys and girls. Mean (standard deviation) are reported.

Sex Testing
Session		 Peak AT strain
(%)		 Peak AT stress †§‡
(MPa)		 AT stiffness
(N/mm)		 AT modulus
(MPa)
Boys 0 mos 3.3
(1.5)		 23.1
(12.5)		 108.7
(134.6)		 564.7
(644.5)
6 mos 3.6
(1.6)		 24.7
(9.8)		 162.6
(146.0)		 866.9
(753.5)
Girls 0 mos 4.0
(2.3)		 21.1
(10.1)		 117.5
(182.8)		 610.1
(882.1)
6 mos 4.2
(1.9)		 23.5
(10.1)		 128.1
(150.2)		 665.5
(820.1)
†

Significant difference between testing session (p < 0.006).

§

Significant relationship with PAQ-C score (p < 0.006).

‡

Significant relationship with growth rate (p < 0.006).