Your results doesn`t depend only on pure strength. The main role is played by the correct technique, it is the key to success. Thanks to stretching, you will be able to take positions that will improve your results by 40%. You should start with the lumbar spine, which will provide you with safety and a huge increase in results.
Thanks to the conscientiousness I managed to achieve such a bridge as I in the picture, which is of course admissible at the competition.
I wish you the best results, if you have any questions, write in the comments