An inability to achieve a level five in the Quadruped Reciprocal TS/ST Stability Test indicates?

• A. Lack of latissimus dorsi and/or pec minor inhibition, or weakness of the lower trapezius and teres minor/infraspinatus.
• B. Overactivation of serratus anterior.
• C. Adequate posterior mediastinum expansion.
• D. Excessive contralateral trunk rotation.

Answer: (A)