Capillary differences with age and fiber type are attenuated by accounting for fiber shape

This dataset contains quantitative measurements of skeletal muscle fiber
morphology and capillarization in young and older women. Muscle biopsies
were obtained from both a rested leg and a leg that had performed a single
bout of heavy resistance exercise five days prior to sampling. Variables
include muscle fiber cross-sectional area, perimeter, and Shape Factor
Index (SFI), as well as multiple indices of capillarization, including
capillary density, capillary-to-fiber ratio, individual capillary-to-fiber
ratio, and morphology-adjusted capillarization metrics. The dataset
enables analysis of age-, fiber type-, and condition-related differences
in muscle fiber geometry and capillary supply.