Do men have a fit athletic body because of muscle mass?

Muscle mass is certainly a contributing factor to having a fit and athletic body, but it is not the only factor. Other factors such as body fat percentage, cardiovascular fitness, flexibility, and overall physical conditioning also play a role in achieving a fit and athletic physique. Additionally, genetics, diet, and lifestyle choices also play a significant role in determining one's overall physical fitness level.

Yes, men tend to have more muscle mass than women, which contributes to their typically more athletic body type. This difference in muscle mass is due to several factors, including:

- Testosterone: Testosterone is a hormone that plays a role in muscle growth and development. Men produce more testosterone than women, which gives them an advantage in building muscle mass.
- Body composition: Men typically have a higher percentage of lean muscle mass and a lower percentage of body fat than women. This difference in body composition is also due to the effects of testosterone.
- Activity levels: Men are typically more active than women, which helps them to build and maintain muscle mass.

Of course, there is variation among individuals, and some women may have more muscle mass than some men. However, on average, men have more muscle mass and a more athletic body type due to the factors discussed above.