Which of the following is commonly referred to as the 'core'?

The term 'core' typically refers to the group of muscles surrounding the lumbopelvic-hip complex, which includes not only the muscles mentioned in the other choices but also others that contribute to overall stability and functional movements. The lumbopelvic-hip complex plays a crucial role in maintaining balance, posture, and power during various physical activities, making it a foundational area for strength and conditioning training.

While the rectus abdominis, external obliques, and transverse abdominis are important components of the core, they are more specific muscles within the broader context of the lumbopelvic-hip complex. Focusing on the entire lumbopelvic-hip complex allows for a comprehensive understanding of how these muscles work together to stabilize and support the body during dynamic movements. This holistic view is particularly important in tactical conditioning, where functional performance and injury prevention are paramount.