Striker Daniel Cousin is Hull's only fitness concern after the international break gave the likes of Michael Turner, Andy Dawson and Ian Ashbee time to overcome injuries.
The two-week recess since the last-gasp loss at Wigan has also taken the sting out of the Tigers' 13th defeat of the season.
"To say the two-week break came at the right time is an understatement," Brown added. "We finished against Wigan with five playing out of position.
"But the effects of Wigan have not been evident in the last fortnight.
"The sessions I have been witnessing this week are ones that have given me a spur.