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Nathan Goodyear

The Ketogenic Diet and Sport: A Possible Marriage? : Exercise and Sport Sciences Reviews - 0 views

  • It is important to note that, although the blood level of glucose drops, it still remains at a physiological level (23), which is maintained through gluconeogenesis involving glucogenic amino acids and also glycerol released from triglycerides
  • “physiological ketosis” where KB levels may rise to 7 to 8 mmol L-1 (but without any pH change). In “pathological diabetic ketoacidosis,” on the other hand, ketonemia can exceed 20 mmol L-1 and also cause lowering of blood pH
  • in the initial phase of KD, about 16% of glucose comes from glycerol (released from triglyceride hydrolysis) and the bulk (60–65 g) from proteins via gluconeogenesis (proteins may be of either dietary or endogenous origin
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  • the protein supply consumed during a KD “preserves,” as demonstrated, lean body mass
  • The importance of glycerol as a glucose source increases progressively during ketosis; in fact, glycerol passes from supplying 16% of total glucose to an average of 60% after many days (>7 d) of complete fasting (from 38% in lean individual to 79% in the obese).
  • The possible reasons for the effectiveness of KD for weight loss may be listed as follows, in order of evidence, strongest first: Figure 3Image Tools 1. Appetite reduction: protein satiety, effects on appetite-related hormones such as ghrelin, and possibly a sort of direct appetite-blocking effect of KB 2. Reduced lipogenesis and increased fat oxidation 3. A reduction in respiratory quotient may indicate a greater metabolic efficiency in fat oxidation 4. A thermic effect of proteins and increased energy usage by gluconeogenesis
  • all data regarding biochemical and molecular mechanisms suggest that it is very difficult to increase muscle mass during a KD; use of which really should be limited to the few days immediately before competition in bodybuilding.
  • a long-term KD can interfere with some muscle hypertrophy mechanisms and this could be counterproductive if the aim of the athlete is to gain muscle mass
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    Great read on the ketogenic  and its application to sports/training...
Nathan Goodyear

https://www.generationucan.com/pdf/technical-breakthrough-sports-innovation.pdf - 0 views

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    sports nutrition: to be read.
Nathan Goodyear

Effect of Number of Sprints in a SIT Session on Change in VO... : Medicine & Science in... - 0 views

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    meta-analysis out of Scotland finds that less may be more when it comes to interval training.  
Nathan Goodyear

Thieme E-Journals - International Journal of Sports Medicine / Abstract - 0 views

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    Only abstract available here: compound resistance treaining in highly trained young men found to increase GH and Testosterone over isolation exercises. Those that trained > 2 years had significnt increase in Testosterone pre/post exercise compared to no statistical change in those traing < 2 years.
Nathan Goodyear

Vitamin D and the Athlete: Risks, Recommendations, and Benefits - 0 views

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    vitamin D and sports.
Nathan Goodyear

Vitamin D and the immunomodulation of rotator cuff injury - 0 views

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    vitamin D important in healing sports injuries.
Nathan Goodyear

Sports Health Benefits of Vitamin D - 0 views

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    great read on vitamin D in sports.
Nathan Goodyear

The dose-response effect of physical activity on cancer mortality: findings from 71 pro... - 0 views

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    2.5 hours of moderate intensity exercise found to reduce cancer mortality.  The effect was even more profound in cancer survivors.  
Nathan Goodyear

ScienceDirect.com - Journal of Science and Medicine in Sport - Saliva as a tool for mon... - 0 views

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    saliva shown to be valuable and reliable in assessing hormones associated with sport performance, exercise, and/or training.
Nathan Goodyear

http://www.dartmouthsports.com/pdf9/2320586.pdf - 0 views

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    great review of the science on vitamin D and sports injury and performance physiology.
Nathan Goodyear

Sports Health Benefits of Vitamin D - 0 views

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    vitamin D and optimal athletic performance.
Nathan Goodyear

Neuroimaging of sport concussion: persistent alterations in brain structure and functio... - 0 views

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    New study suggest brain healing lags far behind in concussion recovery.
Nathan Goodyear

Low Vitamin D Impairs Strength Recovery After Anterior Cruciate Ligament Surgery - 0 views

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    vitamin D deficiency impairs healing of surgical repaired ACL injuries.
Nathan Goodyear

http://www.researchgate.net/profile/Dawnine_Larson-Meyer/publication/45151534_Vitamin_D... - 0 views

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    vitamin D and athletes.
Nathan Goodyear

Thieme E-Journals - International Journal of Sports Medicine / Abstract - 0 views

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    Ultra endurance athletic events associated with significant increase in systemic inflammation due to damaged gut.
Nathan Goodyear

The Effects of Pre-Exercise Ginger Supplementation on Muscle Damage and Delayed Onset M... - 0 views

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    Could Ginger be aid in recovery?  Results are mixed.  Study finds 4 g of ginger improves strength in muscle recovery, yet no change in muscle biomarkers.
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