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. 2015 Feb 10;7:ecurrents.md.28266819ca0ec5fefcac767ea9a3461c. [Version 1] doi: 10.1371/currents.md.28266819ca0ec5fefcac767ea9a3461c

Table 3. Contractile properties of mdx limb muscles on the FVB (mdx/FVB) versus BL10 background (mdx).

a, values are from the Duan lab studies

b, Data are from 4-m-old mdx4cv mice

mdx/FVB
(3 to 6-m-old)		 mdx
(2 to 8-m-old)		 References
Extensor digitorum longus
Specific twitch force (mN/mm2) 24.5±2.3 to 27.3±1.2 26.6±1.2a to 29.0±1.5a 26, 27, 28
Specific tetanic force (mN/mm2) 120.4±9.3 to 142.2±7.4 129.6±10.5a to 138.5±5.6a 26, 27, 28
Percent force decrease following 10 cycles of eccentric contractions 47.5±2.5 to 55.5±1.8 46.5±4.5a to 70.6±2.7a 26, 27
Tibialis anterior
Specific twitch force (mN/mm2) 63.5±4.7 to 72.2±2.3 27.7±3.0b 31
Specific tetanic force (mN/mm2) 192.5±10.3 to 206.8±7.1 129.5±10.5b to ~200 12, 29, 30, 31
Percent force decrease following 10 cycles of eccentric contractions 65.1±5.4 to 78.6±2.0 66.4±5.2b 31