The best way to exercise the abdomen ! Improve the efficiency !

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Only in this way can abdominal training be effective, without hurting the waist, and improve the efficiency of abdominal training by 100% [Erik Eric]
I still don’t feel any abdominal muscle training, the efficiency is low, but my back and legs are sore. Generally speaking, it is caused by these high-frequency mistakes. Correcting the movements according to the guidance in the video can help you solve this problem. At the same time, I also provide a training plan for activating abdominal muscles and strengthening the sense of abdominal strength, which can help novices and primary trainers quickly increase the efficiency of abdominal training. This is #Erik's Pirate Radio#, Let's ROCK! Thank you for watching, if you like my content, you may like it and pay attention, your encouragement is my biggest motivation!