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Visa fullständig version : Proteinintag efter träning för äldre idrottare


King Grub
2015-09-25, 12:44
Participation rates of masters athletes in endurance events such as long distance triathlon and running continue to increase. Given the physical and metabolic demands of endurance training, recovery practices influence the quality of successive training sessions, and consequently, adaptations to training. Following muscle-damaging endurance exercise, research suggests masters athletes experience slower recovery rates in comparison to younger similarly-trained athletes. Given these discrepancies in recovery rates are not observed following non-muscle-damaging exercise, it is suggested that masters athletes have impairments of the protein remodeling mechanisms within skeletal muscle. The importance of post-exercise protein feeding for endurance athletes is being increasingly acknowledged, and its role in creating a positive net muscle protein balance post-exercise well known. The potential benefits of post-exercise protein feeding include elevating muscle protein synthesis and satellite cell activity for muscle repair and remodeling, as well as facilitating muscle glycogen resynthesis. Despite extensive investigation into age-related anabolic resistance in sedentary aging populations, little is known about how anabolic resistance affects post-exercise muscle protein synthesis, and thus muscle remodeling in aging athletes. Despite evidence to suggest physical training can attenuate, but not eliminate age-related anabolic resistance, masters athletes are currently recommended to consume the same post-exercise dietary protein dose (~20 g or 0.25 g/kg/meal) as younger athletes. Given the slower recovery rates of masters athletes following muscle-damaging exercise, which may be due to impaired muscle remodeling mechanisms, masters athletes may benefit from higher doses of post-exercise dietary protein, with particular attention directed to the leucine content of the post-exercise bolus.

Int J Sport Nutr Exerc Metab. 2015 Sep 24. Post-Exercise Dietary Protein Strategies to Maximize Skeletal Muscle Repair and Remodeling in Masters Endurance Athletes: A Review.

maqan
2015-09-25, 18:33
Det är väl klarlagt sedan tidigare att äldre kan behöva upp emot 30 g istället för 20 g?

Markkus
2015-09-25, 18:48
Citat från första inlägget: " Despite extensive investigation into age-related anabolic resistance in sedentary aging populations, little is known about how anabolic resistance affects post-exercise muscle protein synthesis, and thus muscle remodeling in aging athletes."

Alltså, egentligen vet man inget med säkerhet.

Och ännu mera specifikt, det är omöjligt att vet något om en enskild person utan mätningar på labb.

Vad jag förstår (från info på traningslara.se) så har det ingen större betydelse när man äter. Inte ens mängden protein är man överens om.

Jag personligen som är nybörjare på styrketräning och är 60 år, har ökat mitt proteinintag med kanske 50 gr/dygn (väger ca 72 kg), och får i mig drygt 100 gr protein/dygn. Kanske är det för lite, men det får räcka för tillfället.