Posted: 29/01/2003 at 11:47
Not an expert but I believe 48 is fine for a resting HR as taken either first thing in the morning or after 20 mins or so complete inactivity. I think 60-72 is the average quoted as 'normal' in the course of routine daily activity.
I've not measured mine recently but I would guess it's in the high 40 - low 50 range. Your resting heart rate may decrease further as you get fitter.