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Клуб родительского мастерства

Клуб родительского мастерства

Sorry guys, but crunches and sit-ups will never give you rock-solid abs on their own. Research has found that many of these popular movements that are supposed to get you a chiseled mid-section in no time don’t actually produce any significant results and place a lot of strain on other parts of the body such as the neck, spine and lower back.

Sorry guys but crunches and sit-ups will never give you rock-solid abs on their own. Research has found that many of these popular movements that are supposed to get you a chiseled mid-section in no time dont actually produce