נק' מוניטין:
58,705
החל מדקה 5:40
עוד משהו:
Layne Norton: "The rumor that wearing a belt will weaken your core is just plain wrong. Research shows that wearing a belt will actually give you more core activation because it provides your core with something to push against."
עוד משהו:
Layne Norton: "The rumor that wearing a belt will weaken your core is just plain wrong. Research shows that wearing a belt will actually give you more core activation because it provides your core with something to push against."
