Table 1. Body mass and contractile properties of soleus muscle (SOL) in young (3 month old) mice of both sexes and adult (7.5 month old) female mice. Data are shown as means (±SD).
Male mice Female mice
3-month old 3-month old 7.5-month old
Body mass (g) 24.6 (1.9)[n = 14] 20.0 ± 0.7 ***[n = 20] 23.4 ± 1.3 * ###[n = 37]
Peak tetanic force (mN) 140(11)[n = 8] 144 ± 12[n = 11] 165 ± 18 *** ###[n = 19]
Tetanus contraction time (ms) 356(45)[n = 14] 494 ± 69 ***[n = 19] 542 ± 82 ***[n = 8]
* p < 0.05,
** p < 0.01,
*** p < 0.001 compared to young males.
### p < 0.001 compared to young females.