here's a couple of quickies...
American College of Sports Medicine looks at keto diets
A group of people following a ketogenic diet (10% carbs, high fat) were asked to maintain their normal activity level and to eat sufficient calories equal to maintenance. At the end of the study, subjects lost 2.8 kilograms of bodyweight (6.6 lbs), and 4% of bodyfat (peformed by DEXA analysis). Additionally, they gained 1.4 kilograms of lean mass (3.08 lbs).
(Med Sci Sport Exercise , 33(5): S336, 2001)
Low Carb Diet Alters Hormones
Dr. Jozel Langfort and colleagues from the Polish Academy of Sciences in Warsaw found that during exercise in people following low carb diet, adrenaline and growth hormone levels increase more than when people are on normal diet. Lactic acid levels were also lower.
(International Journal of Sports Nuritition and Exercise , 11: 248-257, 2001)