Protein and Muscle Conditioning Webinar

Protein and Muscle Conditioning Webinar

Protein and Muscle Conditioning: Exercise and Nutrition to Support Muscle Conditioning Webinar

Skeletal muscle protein is constantly being synthesized and broken down, with a turnover rate of about 1-2% per day. The rate of skeletal muscle protein synthesis is regulated by two main metabolic stimuli, food intake and physical activity. Food intake, or specifically protein ingestion, directly elevates muscle protein synthesis rates. The dietary protein derived essential amino acids and leucine in particular, act as signaling molecules activating anabolic pathways in skeletal muscle tissue and by providing precursors for muscle protein synthesis. Ingestion of a meal-like amount of dietary protein (~20 g) elevates muscle protein synthesis rates for several hours following ingestion, resulting in net muscle protein accretion. A substantial part of the ingested protein derived amino acids are taken up and directly used to support the post-prandial rise in muscle protein synthesis rate following ingestion of a single bolus of protein.

The dietary protein derived amino acids not only present themselves as strong signaling molecules, but also act as direct precursors for de novo muscle protein synthesis. In short, ingestion of a single meal-like amount of protein allows ~55% of the protein derived amino acids to become available in the circulation, thereby improving whole-body as well as leg muscle protein balance. Approximately 20% of the protein derived plasma amino acids will be taken up in skeletal muscle tissue during a 5 h post-prandial period, thereby stimulating muscle protein synthesis rates and providing precursors for de novo muscle protein.

In conclusion ‘you are what you just ate’. When food is ingested after a bout of physical activity the post-prandial muscle protein synthetic response is augmented, with higher muscle protein synthesis rates sustained over a more prolonged period of time. In other words, ‘physical activity makes you more of what you just ate’. In contrast, when food is ingested during a period of muscle disuse the post-prandial muscle protein synthetic response becomes blunted and contributes to the rapid loss of muscle mass during short periods of disuse. This anabolic resistance is one of the key factors responsible for the fact that ‘physical inactivity makes you less of what you just ate”. In this presentation we will provide an overview on these various aspects of post-prandial protein handling in vivo in humans.

Presented by Professor Luc van Loon, PhD

Luc van Loon is a Professor of Physiology of Exercise at the Department of Human Biology at Maastricht University Medical Centre. Luc has an international research standing in the area of skeletal muscle metabolism. Current research in his laboratory focuses on the skeletal muscle adaptive response to exercise, and the impact of nutritional and pharmacological interventions to modulate muscle metabolism in health and disease. The main research interests of his laboratory include muscle metabolism, sports nutrition, clinical nutrition, adaptation to endurance and resistance type exercise, and the use of physical activity and/or nutritional interventions to improve health in chronic metabolic disease and aging. The latter are investigated on a whole-body, tissue, and cellular level, with skeletal muscle as the main tissue of interest. 
 

Schedule

Thursday, 2 September 2021
6:00pm - 7:30pm  AEST

Please note, the times listed are in Australian Eastern Savings Time. 
Your local time will be:
ACT:         6:00pm - 7:30pm
NSW:    6:00pm - 7:30pm
NT:
  5:30pm - 7:00pm
QLD:
  6:00pm - 7:30pm
SA:
  5:30pm - 7:00pm
TAS:
  6:00pm - 7:30pm
VIC: 
  6:00pm - 7:30pm
WA:
  4:00pm - 6:30pm
     

Please note: This is a live webinar and needs to be watched at the specified time above. If you are unable to watch the webinar live, it will be produced as podcast and can be purchased within the following month.

Rates per person

ESSA Member         $30.00  
Non-Member
  $50.00
ESSA Student Member
  $15.00
Student Non-Member
  $25.00
Please see terms & conditions for registration type definitions.

Access to Webinar

You will be provided information on how to access this webinar within your registration confirmation email.
NB: A confirmation of your attendance is required.
  

Target Audience

Any Accredited Exercise Scientist, Accredited Sports Scientist Level 1, Accredited Sports Scientist Level 2 and/or Accredited High Performance Manager.      

ESSA CPD Points



Registration

Online: After signing into your ESSA profile, select the blue "Register Now" button
Manual Formclick here 

Registration for this professional development will close at 4:00pm AEST on Thursday,  2 September 2021.
 
Please note:

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Disclaimers

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