For periods of standing longer than 2 hours. Also no data included in the article about whether this varies with the fitness of individuals. Anyway, I thought

For periods of standing longer than 2 hours. Also no data included in the article about whether this varies with the fitness of individuals. Anyway, I thought we already knew that staying in one position - any position - for too long is detrimental? Isn't that why we have sit-stand desks?