For the supine posture, what is a key alignment cue?

In the supine posture, maintaining a neutral pelvis and engaging the abdominal muscles is crucial for proper alignment and core stability. This position helps to support the natural curve of the spine while preventing excessive arching or flattening, which can lead to discomfort or injury. Engaging the abdominal muscles creates a stable base, allowing for effective movement and activities without compromising the integrity of the spine or pelvic alignment. This cue encourages participants to activate their core, which is essential for both balance and strength during exercises performed in the supine position.

The other options either involve misalignment or positions that do not support proper posture in supine. For example, an arched spine can lead to strain, and lifting the head off the ground can disrupt alignment and stability. Positioning the feet above the head is not appropriate for the supine position and could be dangerous without proper support and technique.