The cognition of breast enhancement was first spread in broadcast gymnastics, and now it has developed to the third set, which is a widely popular exercise method for students and society.
Cognitive goal: to understand the significance of middle school students' radio exercises and realize the fitness and mental health functions of radio exercises.
Skill goal: Through study and practice, we can basically master chest expanding movements, improve students' coordination and develop students' flexibility and sensitivity.
Emotional goal: to cultivate students' organizational discipline and collectivism through teaching. Promote the all-round and balanced development of the body, effectively enhance students' physique, and develop good posture and bodybuilding. Improve students' ideological quality, cultivate students' good moral sentiment and brave, decisive and tenacious psychological quality.
2 adapt to the crowd
Except for students at school, ordinary people are suitable for breast enhancement, especially those who work at their desks for a long time, such as editors, writers, typists and sewing workers. These are easy to reduce the elasticity of lung tissue, reduce vital capacity, damage cardiopulmonary function, and even lead to atelectasis, bronchitis and arrhythmia or dizziness, dizziness, nausea and other symptoms.
3 Preventive measures
The effect of chest enlargement by hand is less than that by means of instruments. Healthy young people can use dumbbells to expand their chests and exercise the muscles of their chests, shoulders and arms. Expanding the chest with a stretcher can not only exercise the muscles of the above parts, but also exercise the muscles of the back and abdomen.
You'd better run if you want to increase your vital capacity. Running for a long vacation is good for improving heart and lung function. Doing push-ups can also exercise the chest and related muscle groups, combining speed and speed, and exercising more parts.
It is safer for women or the elderly to do bare-handed breast enhancement.
4 exercise methods
4. 1 method 1
Put your hands together.
When the hand shaft is lifted, stay for 2 seconds and return to its original position, and repeat 10 ~ 15 times.
4.2 Method 2
Raise your arms, raise your hands horizontally and put your fists on your chest.
Hands can't be separated, try to push pectoralis major to lift your arms up.
Exhale when raising your arms, and inhale when relaxing.
4.3 Method 3
Hands crossed, parallel to shoulders, right hand holding left arm, left hand holding right arm.
Exhale, push your hands forward and feel the pectoralis major push.
After holding for 4 seconds, relax. Repeat this action 10 times.