showed a trendp=0.13
NADH histological staining on quadriceps muscle ( Figure 4A ) showed a trend towards smaller cross- sectional area (CSA) in light stained fibers in vitamin D insufficient mice (LOW: 3,057.1 ± 708.3 versus STD: 4,046.7 ± 977.1 μm 2 p=0.13, n =4 and 5, respectively , Figure 4B ).