How many full marks are there in the mid-term exam pull-ups?

The inquiry method shows that according to the National Students' Physical Health Standard, the score standard of pull-ups in the senior high school entrance examination is 10, which is a perfect score. Operating norms and requirements of pull-up examination;

1. After hearing the numbers, the examinee walks under the bar and jumps up. He holds the bar in both hands, and his hands are about shoulder width, forming a straight arm suspension. After resting, start to do the first pull-up action; Bend your arm and pull your body up until your chin exceeds the upper edge of the bar, and complete it once after restoring the straight arm suspension; If the action does not meet this specification, it is not counted.

2. The examination time begins with the hands holding the bar and ends with the hands off the bar. During this period, if the time interval between two actions exceeds 10 second, the exam will automatically end. Count the number of pull-ups successfully completed by candidates. Each candidate only takes the exam once.

3. During the exam, the candidate fouls, and the actions made during the foul are not counted, but the candidate can continue the exam.

Pull-ups, sometimes referred to as pull-ups, refer to suspended movements that rely on their own strength to overcome their own weight and do work upwards. It mainly tests the development level of upper limb muscle strength, as well as arm strength and waist and abdomen strength. In the process of completing a complete pull-up, many back skeletal muscles and upper limb skeletal muscles are needed to participate in the work. It is a multi-joint compound movement exercise and a better way to exercise upper limbs. It is the most effective way to develop the muscle strength and endurance of back skeletal muscle, involving the most muscles and the most complicated exercise mode. It is the most basic way to exercise the back, one of the test options in senior high school entrance examination and senior high school physical education examination, and one of the important reference standards and items to measure men's physique.