Sentences with phrase «proven over a sustained period»

Not exact matches

However the economies of scale do apply and if the food in a school is proven to be good over a sustained period, then universal takeup can lower the price while maintaining the quality or indeed further improve the quality (for example in our school when the takeup reached more than 60 % they were able to switch to entirely free range organic meats where they had previously managed just decent quality local meats).

Previous studies have proven the benefits of vigorous stair climbing over sustained periods of time — up to 70 minutes a week — but scientists set out to determine if sprint interval training (SIT), which involves brief bursts of vigorous exercise separated by short periods of recovery, was an effective and time - efficient alternative for improving cardiorespiratory fitness.