The term motor nerves refers to the nerves that carry signals from the brain or spinal cord to the muscles, allowing us to move and control our body. There are several other terms that are used interchangeably to describe motor nerves, including efferent nerves, somatic motor nerves, and voluntary nerves. Efferent nerves refer to the nerves that transmit signals away from the central nervous system, while somatic motor nerves are those that are involved in voluntary movement. Voluntary nerves are responsible for conscious movement, such as walking, running, and reaching, and are distinct from the automatic or involuntary nerves that control functions such as heart rate and digestion.