What is it about?
We studied how underfeeding rats over 7 days and refeeding rats over 5 days using a liquid high protein diet (Osmolite) affected the function of muscle in slow and fast twitch muscles
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Why is it important?
The research demonstrates first, how undernutrition causes muscle fatigue and how a return to normal muscle occurs faster than the normalization of muscle and body weight.
Perspectives
This research, out of the Jeejeebhoy lab at the University of Toronto, demonstrates that body composition is not the most reliable index of recovery but rather muscle function is as shown by the ambulation of patients after surgery or trauma. Indeed, many have shown a normalization of function in recovering patients much before the return of body composition indexes such as total body weight, muscle cross-sectional area, muscle weight and body potassium
David Bissonnette
Minnesota State Colleges and University System
Read the Original
This page is a summary of: Effect of hypoenergetic feeding and high-carbohydrate refeeding on muscle tetanic tension, relaxation rate, and fatigue in slow- and fast-twitch muscles in rats, American Journal of Clinical Nutrition, August 1997, Oxford University Press (OUP),
DOI: 10.1093/ajcn/66.2.293.
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