Which of the following is a correct attachment point for psoas major?

The correct attachment points for the psoas major muscle include the vertebral bodies and the transverse processes of the lumbar vertebrae. The psoas major originates from the sides of the bodies and intervertebral discs of T12 through L5, as well as from the transverse processes of L1 through L5. This anatomical arrangement is crucial because it illustrates how the psoas major connects the lower spine to the pelvis and contributes to hip flexion.

Acknowledging both B (the transverse processes of L1 - L5) and C (the vertebral bodies of T12 - L5) as correct gives a comprehensive understanding of where this important muscle starts. The psoas major is a key muscle in many movements, particularly in activities that require hip flexion, such as running and walking, making it essential for sports massage practitioners to understand its anatomy and attachment points. This knowledge aids practitioners in identifying potential sources of pain and dysfunction in the lower back and hip areas during massage therapy.