Regular exercise, such as playing ball, running or sit-ups, is beneficial to your physical growth. You are now in the period of bone growth, and moderate exercise is helpful to your height, such as playing basketball, touching heights and volleyball, which is very beneficial to your height.
As long as you are careful not to exercise too much, exercise fatigue and sports injuries are not conducive to height, try to avoid sports injuries and take protective measures; Exercise step by step, don't rush it; In addition, adequate sleep and adequate nutrition are also very beneficial to your height, so don't worry about the influence of abdominal muscle exercise.