Sentences with phrase «difficulties building mass»
Ectomorphs have difficulties building mass because the larger percent of their muscle fibers are slow twitch, they are usually insulin resistant, and have naturally high metabolism.
http://www.fitnessandpower.com/ Not exact matches
A major difficulty with this hypothesis, among various other problems, is that atomic masses 5 and 8 are unstable, and there is no known way to build heavier nuclei by successive neutron capture.
The great difficulty in analyzing these low - mass galactic building blocks has been that their natural radio emission is extremely faint.
Sure it's easier to build mass with weights, but if you can figure out a way to increase the difficulty of bodyweight variations, then the principle is the same.