Which definition best describes muscle endurance?

the ability of muscles to function over a period of time without becoming tired
the length of time it takes for muscles to respond to certain stimuli
the amount of time it takes for muscles to show signs of strain after long periods of regular activity
the amount of force a muscle can exert over an extended period of physical activity

Advertisements are filled with images of extremely fit and sometimes even underweight people. what is an example of how these images might positively influence a person’s health choices? a) choosing to use weight loss supplements to increase weight loss b) electing to skip meals to reduce calorie intake until target weight is met c) figuring out ways to purge after meals to reduce the number of calories consumed d) finding ways to increase physical activity to burn calories and increase heart weight

What is the answer to this particular question i have in health

Does the weight loss program have practical significance? a. no, the program is not practically significant because the results are likely to occur even if the weight loss program has no effect. b. yes, the program is practically significant because the results are too unlikely to occur by chance. c. yes, the program is practically significant because the amount of lost weight is large enough to be considered practically significant. d. no, the program is not practically significant because the amount of weight lost is trivial.