Skip to main content
. 2020 Dec 20;231(4):e13599. doi: 10.1111/apha.13599

TABLE 1.

Lean mass, M Quadriceps cross‐sectional area (CSA) and muscle fibre characteristics before (pre) and after (post) 12 wk of resistance exercise training in healthy, older men

Pre Post
Whole body lean mass (kg) 59.7 ± 5.4 61.0 ± 5.9*
Leg lean mass (kg) 13.2 ± 1.4 13.6 ± 1.4*
M Quadriceps CSA (mm2) 6796 ± 700 7268 ± 779*
Muscle fibre CSA (µm2) 5746 ± 1419 6397 ± 1527*
Myonuclear content (per fibre) 3.38 ± 0.65 3.65 ± 0.69*
Myonuclear domain size (µm2) 1707 ± 326 1769 ± 355
Satellite cell content (per fibre) 0.064 ± 0.031 0.069 ± 0.029

Data represent mean ± SD.

Abbreviation: CSA, cross‐sectional area.

*

Significantly different compared with Pre, P < .05.