The number of voluntary muscles in the human body is approximately 430. These muscles are primarily skeletal muscles, which are responsible for body movements and are under conscious control, allowing us to perform activities such as walking, running, and lifting.
The human muscular system is extensive, consisting of both voluntary and involuntary muscles. While there are roughly 600 muscles in total, the focus on voluntary muscles specifically targets those that we can actively control, which corresponds with the answer of 430. This distinction is crucial for understanding how muscle groups work and how they contribute to overall physical activity and fitness.
The other figures provided are not aligned with anatomical knowledge about skeletal muscles. They either overestimate or underestimate the number of voluntary muscles based on standard anatomical references.