The information that I have found is that you tend to lose 1 part muscle to every 3 parts fat.*shrugs* I have had the same concern since I am a runner and have been lifting weights to get ready for BCT in the Army. But I haven't been able to find any other info. Best of luck!
-Jenn
HW 267
SW 211
CW 201
GW 170
(Day 5 of 40)
Height 5'10
Age 20