Percent changes were significantly greater in floor vs. control for ultra-distal areal BMD by DXA at 12-weeks ( 1 % [ -2,5 ] vs.-5 % [ -8 , -2 ] respectively , p = 0.02 ) and 4-months post ( 5 % [ 1,8 ] vs -2 % [ -5,2 ] , p = 0.03 ) and in HMMS vs. controls for trabecular vBMD by pQCT at 12-weeks ( 4 % [ 0 , 8 ] , vs. -8 % [ -14 , -2 ] , p = 0.02 ) .