In the Quadruped Reciprocal TS/ST Stability Test, which step involves turning the palm upward toward the ceiling?

• A. Step One: exhale to lower ribs down and in with the knees level.
• B. Step Two: maintain rounded back and shift the non-block knee down to the surface.
• C. Step Five: turn the palm upward to the ceiling.
• D. Step Six: flex the elbow to 90 degrees and externally rotate the arm into the cocking position.

Answer: (C)