What is the significance of maintaining a diagonal line from the ribs to the pelvis in oblique or rotational movements on the reformer?

• A. It supports spinal safety, promotes efficient transfer of force, and maintains balance and control during rotational work.
• B. It is only decorative and has no impact on safety.
• C. It guarantees no need for pelvis control.
• D. It discourages core engagement.

Answer: (A)