What two elements are essential for safe and effective alignment checks during reformer practice?

What two elements are essential for safe and effective alignment checks during reformer practice?

• A. Visual alignment cues (e.g., line from ear to hip through knee) and tactile feedback (feeling for symmetrical weight distribution and stable scapulae).
• B. Visual cues only; touch is unnecessary.
• C. Rely on client's self-perception alone.
• D. Use equipment charts exclusively for alignment.

Answer: (A)