Table 1.

Mechanical properties of normal, gsg^−/−, and mdx EDL

Parameter	Genotype
	Mature normal	Young gsg−/−	Mature gsg−/−	Mature mdx
Lo, mm	10.9  ±  0.2	8.9  ±  0.1	11.6  ±  0.1	11.5  ±  0.1
EDL weight, mg	9.4  ±  0.1	4.7  ±  0.3	9.4  ±  0.4	15.0  ±  0.4
EDL CSA, mm2	1.8  ±  0.0	1.1  ±  0.1	1.7  ±  0.1	2.7  ±  0.1
Twitch force, mN	123.3  ±  9.3	49.6  ±  5.5	136.5  ±  7.3	117.1  ±  10.5
Tetanic force, mN	349.3  ±  11.2	150.5  ±  11.9	334.8  ±  9.5	355.3  ±  15.8
Tetanic force CSA, mN/mm2	19.3  ±  0.6	13.8  ±  1.1	19.9  ±  1.0	13.1  ±  0.7

Results are presented as mean ± SEM. CSA, cross-sectional area.