Protein Ingestion Before Training Low

Nutritional Strategies for Optimizing Adaptations and Recovery Following Training 'Low'.

A randomized interventions study using a crossover design. Ten well trained triathletes or bikeriders will be included for to undergo two trail separated by about 3 weeks. The night before the trail each subject will performe a high intense interval trainings session on an ergometer bike. during the night an infusion of aminoacid tracers will be initiated. The subject is woken at 6.30 a.m. Blood samples and a musclebiopsy will be collected prior to the morning bike ride at 8.00a.m. Immediately before the morning bike ride is started the subject will ingest a drink of 0,5g protein or a non-caloric placebo (random order). During the bike ride and the following 4,5 hours blood will be drawn with regular intervals. at time point 0, 60 and 180 min after the training session biopsies are collected.

Inclusion Criteria:

• Healthy well-trained triathletes or cyclists
• VO2max > 55 ml O2/kg/min
• Training and has been training more than 7 times a week the last 6 months.

Exclusion Criteria:

• VO2max < 55 ml O2/kg/min
• Has chronic disease
• has incjected with tracer on a previous occasion.