Plate support shoulder soreness may be normal, may be due to the posture is not standardized or exercise time is too long. Plate support as a fitness exercise, mainly to increase the human waist, legs and other parts of the muscle strength, effectively improve their balance. For leg muscles lack of exercise people caused by the body imbalance has improved. Plate support requires arms, shoulders, legs, waist and abdomen and other parts of the joint force, so shoulder soreness may be the posture is not standardized, excessive exercise or shoulder joints have other problems caused by. Caused by shoulder soreness may be due to the body’s upper limbs of the power of less stability, movement is not standardized, exercise time is too long, etc. It is recommended that flat support novice should be in the professional sportsman’s lead to standardize the posture, the exercise time should also be controlled in each group of 60 to 120 seconds between, do 3 to 4 groups can be. If you are doing flat support and have sore shoulders, you should consider whether your movements are standardized and whether the time is too long. If not, you need to consider the case of muscle strain, strain injury, you should go to the hospital in time for medical treatment.