Named 5 harmful tips from physical education teachers and fitness trainers
physical education often ask students to “breathe on full breasts”. To prevent hyperventilation of the lungs, properly inhale the air with a “abdomen”. To force children to run through pain is a violation of freedom and an attempt to cause moral as well as physical harm. Excessive force loads with heavy dumbbells can cause women to stop menstrual cycle or amenorrhea.
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