Why's male has a more muscular than female?

Answer 1

The differences in muscle mass and strength between males and females can be attributed to several biological and hormonal factors:

1. Hormones: The primary factor influencing muscle mass is testosterone, a hormone that is present in much higher levels in males than in females. Testosterone promotes muscle growth (hypertrophy) and increases protein synthesis, which contributes to the development of larger muscle fibers.

2. Body Composition: Males typically have a higher percentage of lean body mass compared to females. This is due in part to hormonal influences and differences in fat distribution. Males generally have more muscle mass and less body fat, while females tend to have a higher percentage of body fat, which is partly necessary for reproductive functions.

3. Muscle Fiber Composition: Males may also have a greater proportion of Type II (fast-twitch) muscle fibers, which are associated with strength and power. Females tend to have a higher proportion of Type I (slow-twitch) fibers, which are more efficient for endurance but less so for producing maximum strength.

4. Genetics: Whole-body muscle mass is also influenced by genetic factors. Some individuals are genetically predisposed to have more muscle mass and strength due to a variety of inherited traits.

5. Physical Activity and Training: While not a biological factor, the types of physical activity and training programs often pursued by males and females can influence muscle development. Traditionally, males may engage in more strength training, whereas females may participate more in endurance activities, further contributing to differences in muscle mass.

Overall, while there are inherent biological differences in muscle development, it's essential to recognize that both males and females can increase strength and muscle mass through appropriate training and fitness practices.