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vocabulary La Rochefoucauld: "Stubbornness is born of the limitations of our minds: we are reluctant to believe what goes beyond our horizons."

– weighted athletic projectiles consisting of two cast-iron balls connected by a short handle. Dumbbells are used to develop, mainly the muscles of the arms and shoulder girdle, weighting and proper staging punches. In boxing, dumbbells of small mass are often used: 1, 3, 5 and 10 kg.

Other definitions in the section "Boxing terms"

vocabulary La Rochefoucauld: "Stubbornness is born of the limitations of our minds: we are reluctant to believe what goes beyond our horizons."