Relative enegry deficiency Flashcards
What was seen in starving populations in eastern europe during WWI?
Amenorrhea (lack of menstruation)
When was the first large cross-sectional study examining reproductive health in female athletes?
60s
What were the 3 answers given as a result of the 1962 study on reproductive health in female athletes?
favourable change, no change, unfavourable change
What was the conclusion of the 1962 study?
“We may find menstrual disorders that may be associated with too much sports activities”
What is menarche?
The onset of menses
What is menses?
Blood being discharged from the uterus at menstruation (period)
What did the results of the 1993 study show regarding age at menarche in athletes vs non athletes?
The age at menarche of athletes was generally higher than non athletes
What is secondary amenorrhoea?
An interruption to menses after they have already occured
What was observed in the 1978 study regarding secondary amenorrhoea and training mileage?
The incidence of secondary amenorrhoea increased with the weekly training mileage done by the participants
What are the three components of the female athlete triad?
Disordered eating, Amenorrhea, Osteoporosis
What is osteoporosis?
premature bone loss/inadequate bone formation
Conditions of 1985 study regarding female athletes menstruation?
28 untrained women
8 wks training
4mls up to 10 mls per day run
3.5 daily moderate intensity sorts
weight maintenance (-1kg) and weight loss (-4kg) groups
What were the results of the 1985 study regarding exercise effect on menstrution?
Higher % of menstrual abnormalities compared to control
What happened to the menstrual cycles of the 28 subjects in the 1985 study 6 months after the study?
All the participants cycles had returned to normal
What is energy availability?
The amount of energy that is left over excluding physical activity
