The sign that is NOT indicative of good positioning is when the chest is sinking slightly inward, as this reflects poor posture. Good positioning includes a straight back, relaxed arms, and slightly bent knees. Maintaining good posture is essential for comfort and overall health. ;
The option that indicates poor positioning is 'The chest is sinking slightly inward' due to it contributing to bad posture. Good positioning entails a straight back, relaxed arms, and comfortably bent knees. Maintaining good posture is crucial for comfort and overall health.
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