Introduction
Muscle triacylglycerols (TG) are known to be a source of
energy during submaximal exercise.1,2 Thus, the amount of
muscle TG stores may affect energy metabolism during
exercise and it has been suggested that endurance exercise
training may increase intramuscular TG content.3 However,
invasive methods such as biopsies of skeletal muscle are
required to assess muscle TG content and, even with these
methods, muscle TGs are difficult to assess