Table 4.

Body-mass-corrected tetanic force (N/Kg) and ECD measurements in non-dystrophic control, GRMD (Mstn ^+/+), and GRippet (Mstn ^+/−) dogs

	Flexion (mean ± SD)	Extension (mean ± SD)	ECD (10) (mean ± SD)	ECD (30) (mean ± SD)
Controls	1.54 ± 0.04a*,b*	3.16 ± 0.48b*	9.38 ± 6.18a*,b*	22.1 ± 11.6a*,b*
GRMD (Mstn+/+)	0.59 ± 0.32	1.93 ± 0.41	38.6 ± 14.8	64.2 ± 7.56
GRippet (Mstn+/−)	0.70 ± 0.41	1.92 ± 0.64	33.2 ± 2.77	61.7 ± 15.7

ECD percent eccentric contraction decrement after 10 and 30 tetanic flexion contractions

^aSignificantly different (*p < 0.05) from GRMD dogs

^bSignificantly different (*p < 0.05) from GRippets