Effect of Protein Supplementation During a 6-month Strength and Conditioning Program on Muscular Strength

Vukovich, Matthew D.; Tausz, Shawn M.; Ballard, Tasha L.; Stevermer, Cheryl L.; Gerlach, Amanda M.; VanderWeerd, Marie K.; Binkley, Teresa L.; Specker, Bonny

doi:10.1249/00005768-200405001-00927

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“…While there was no significant difference in 1-RM bench press performance, the high protein group improved their 1-RM squat (23.6 ± 13.6 kg) to a greater extent than the low protein group (9.09 ± 11.86 kg). In a similar study by Vukovich et al [ 29 ] divided 51 male and female participants into two groups. Group one received a 40 gram whey protein supplement twice daily, while group two received a carbohydrate placebo during a six month resistance training program.…”

Section: Introductionmentioning

confidence: 99%

“…This increased need is attributed to enhanced oxidation rates of endogenous amino acids during exercise [ 27 ], the need for increased substrate to repair damaged muscle tissue [ 12 ], and the capacity to maintain elevated protein synthesis for greater amounts of muscle tissue [ 18 ]. Techniques utilized to measure protein requirements include nitrogen balance methods [ 15 - 17 ], tracer techniques [ 13 ], and performance and body composition techniques [ 28 , 29 ]. Nitrogen Balance techniques suggest that the protein requirements to attain zero nitrogen balance range from 1.2–2.2 grams of protein per kg of bodyweight [ 1 , 7 , 14 , 23 , 24 , 31 - 33 ].…”

Section: Introductionmentioning

confidence: 99%

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Contemporary Issues in Protein Requirements and Consumption for Resistance Trained Athletes

Wilson

2006

Journal of the International Society of Sports Nutrition

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In recent years an explosion of research papers concerning protein consumption has been published. The need to consolidate this information has become critical from both practical and future research standpoints. For this reason, the following paper presents an in depth analysis of contemporary issues in protein requirements and consumption for resistance trained athletes. Specifically, the paper covers: 1.) protein requirements for resistance trained athletes; 2.) the effect of the digestion rate of protein on muscular protein balance; 3.) the optimal timing of protein intake relative to exercise; 4.) the optimal pattern of protein ingestion, relative to how an individual should consume their protein throughout a 24 hour period, and what sources are utilized during this time frame; 5.) protein composition and its interaction with measures of protein balance and strength performance; 6.) the combination of protein and carbohydrates on plasma insulin levels and protein balance; 7.) the efficacy of protein supplements and whole food protein sources. Our goal is to provide the reader with practical information in optimizing protein intake as well as for provision of sound advice to their clients. Finally, special care was taken to provide future research implications.

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Section: Introductionmentioning

confidence: 99%