On average, shear force peak values were poorly correlated
across ageing times with or without electric stimulation
(Table 3) except a few of them (PF24 h with PF14d, PF3d
with PF7d, PF3d with PF3dES, PF7d with PF14dES).
Correlations between shear force peak values and DNAJA1
expression in the two muscles (n=10 values) varied
according to time of ageing or to the use of electric
stimulation (Table 3). Furthermore, DNAJA1 expression
values were not significantly correlated with shear force
peak value at any time. However, because it was much
higher than any other correlation, the correlation with PF14d
(r = -0.60) with no electric stimulation is worth being
mentioned even if it was not significant, as well the
correlation of 0.34 between DNAJA1 expression values with
shear force values at 7 days of ageing after electric
stimulation (Table 3).