Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Differences in respiratory control ratios between M. triceps brachii and M. vastus lateralis in XC skiers and CON. (A) elite cross-country skiers (XC skiers) and (B) physically active controls (CON). Mitochondrial quality noted as ratio between 0 and 1 for oxidative phosphorylation capacity efficiency (j≈P) and excess electron transfer system-phosphorylation capacity factor (jExP). Data are displayed as means ± SD. ∗Significant difference between groups (P < 0.001).
