Muscle morphology in sea level residents at sea level (SLR) and after 8 weeks exposure to 4100 m altitude (CH8) and in high-altitude Aymara natives(HAN)
.
Capillaries fibre-1
.
Capillaries mm-2
.
Mean area (μm2)
.
SLR
4.0±0.6
556±158
6492±1448
CH8
3.6±0.6
579±79
6060±1765
HAN
2.4±0.3*,†
491±53†
4474±497*
.
Capillaries fibre-1
.
Capillaries mm-2
.
Mean area (μm2)
.
SLR
4.0±0.6
556±158
6492±1448
CH8
3.6±0.6
579±79
6060±1765
HAN
2.4±0.3*,†
491±53†
4474±497*
Values are means ± s.d.*P<0.05 compared with SLR; †P<0.05 compared with CH8.