After 3 w , the CTF had significantly ( p < 0.001 ) increased in CT calves from 23.35.7 Hz to 33.36.9 Hz , while it remained unchanged in nCT ( pre : 23.65.7 Hz , mid : 22.33.5 Hz ) and in both legs of the CG ( pre : 21.83.2 Hz , mid : 22.02.7 Hz ) .