Final answer:
Proper body alignment in curl-ups is essential to prevent injuries, engage muscles effectively, and maximize exercise benefits.
Explanation:
Proper body alignment is crucial in performing exercises like curl-ups to prevent injuries and ensure effective muscle engagement. Two essential tips for maintaining correct posture during a curl up include aligning the head and neck properly, and engaging the core muscles to support the spine.
Additionally, maintaining the alignment of the hips and shoulders is vital for preventing strain on the back and maximizing the benefits of the exercise.
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