1. Correct posture: keep the correct sitting or standing posture, keep your back straight, relax your shoulders and don't bend your back. Hold the rower's handle and bend the elbow slightly, not completely straight. Bend your knees slightly, not too much.

2. Control your breathing: You should take a deep breath during the practice. When you inhale, your abdomen expands, and when you exhale, your abdomen contracts. Reasonable breathing helps to strengthen the exercise effect of abdominal muscles.

3. Slow motion: When rowing, keep your movements slow and steady, and avoid sudden exertion or rapid body rotation. This can better exercise the endurance and strength of abdominal muscles.

4. Pay attention to the distribution of strength: When using the rowing machine, pay attention to the distribution of strength. Abdominal muscles should bear most of the strength, not just the movement of upper limbs. This can avoid overloading other muscle groups.

5. Moderate exercise: Beginners start with lighter weight and gradually increase their weight and frequency. At the same time, we should pay attention to moderate rest to avoid excessive fatigue and injury.

6. Keep practicing: It takes unremitting efforts and persistence to practice abdominal muscles. Rower training 3-5 times a week, 20-30 minutes each time, helps to improve the strength and endurance of abdominal muscles.