{"id":4499,"date":"2020-09-22T16:45:11","date_gmt":"2020-09-22T16:45:11","guid":{"rendered":"https:\/\/www.lifescienceart.com\/el\/?p=4499"},"modified":"2020-09-22T16:45:11","modified_gmt":"2020-09-22T16:45:11","slug":"the-evolution-of-the-footballs-unique-shape","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/el\/science\/sports-science-and-kinesiology\/the-evolution-of-the-footballs-unique-shape\/","title":{"rendered":"\u03a4\u03bf \u03bc\u03bf\u03bd\u03b1\u03b4\u03b9\u03ba\u03cc \u03c3\u03c7\u03ae\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03bc\u03c0\u03ac\u03bb\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03bf\u03b4\u03bf\u03c3\u03c6\u03b1\u03af\u03c1\u03bf\u03c5: \u03bc\u03b9\u03b1 \u03b5\u03be\u03b5\u03bb\u03b9\u03ba\u03c4\u03b9\u03ba\u03ae \u03b4\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ae"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u0397 \u03b5\u03be\u03ad\u03bb\u03b9\u03be\u03b7 \u03c4\u03bf\u03c5 \u03bc\u03bf\u03bd\u03b1\u03b4\u03b9\u03ba\u03bf\u03cd 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\u03c0\u03c1\u03bf\u03cb\u03c0\u03bf\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>\u039f\u03c5\u03c1\u03b5\u03b8\u03b1\u03bd\u03b9\u03ba\u03ae \u03bf\u03c5\u03c1\u03bf\u03b4\u03cc\u03c7\u03bf\u03c2 \u03ba\u03cd\u03c3\u03c4\u03b7 \u03c6\u03bf\u03c5\u03c3\u03ba\u03c9\u03bc\u03ad\u03bd\u03b7 \u03c3\u03b5 12,5-13,5 \u03bb\u03af\u03b2\u03c1\u03b5\u03c2<\/li>\n<li>\u0395\u03be\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ae \u03c6\u03bb\u03bf\u03cd\u03b4\u03b1 \u03b1\u03c0\u03cc \u03ba\u03b1\u03c6\u03ad \u03b4\u03ad\u03c1\u03bc\u03b1 \u03bc\u03b5 \u03c3\u03c4\u03af\u03b3\u03bc\u03b1\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03c9\u03bc\u03ad\u03bd\u03b7 \u03c0\u03c1\u03cc\u03c3\u03c6\u03c5\u03c3\u03b7<\/li>\n<li>\u039c\u03ae\u03ba\u03bf\u03c2: 11-11,25 \u03af\u03bd\u03c4\u03c3\u03b5\u03c2<\/li>\n<li>\u039c\u03b5\u03b3\u03ac\u03bb\u03b7 \u03c0\u03b5\u03c1\u03af\u03bc\u03b5\u03c4\u03c1\u03bf\u03c2: 28-28,5 \u03af\u03bd\u03c4\u03c3\u03b5\u03c2<\/li>\n<li>\u039c\u03b9\u03ba\u03c1\u03ae \u03c0\u03b5\u03c1\u03af\u03bc\u03b5\u03c4\u03c1\u03bf\u03c2: 21-21,25 \u03af\u03bd\u03c4\u03c3\u03b5\u03c2<\/li>\n<li>\u0392\u03ac\u03c1\u03bf\u03c2: 14-15 \u03bf\u03c5\u03b3\u03ba\u03b9\u03ad\u03c2<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">\u039f \u03c1\u03cc\u03bb\u03bf\u03c2 \u03c4\u03b7\u03c2 Wilson Sporting Goods<\/h2>\n\n<p>\u0391\u03c0\u03cc \u03c4\u03bf 1955, \u03ba\u03ac\u03b8\u03b5 \u03bc\u03c0\u03ac\u03bb\u03b1 \u03c0\u03bf\u03b4\u03bf\u03c3\u03c6\u03b1\u03af\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 NFL \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c7\u03ad\u03c1\u03b9 \u03c3\u03c4\u03bf \u03b5\u03c1\u03b3\u03bf\u03c3\u03c4\u03ac\u03c3\u03b9\u03bf \u03c4\u03b7\u03c2 Wilson \u03c3\u03c4\u03b7\u03bd \u0386\u03bd\u03c4\u03b1 \u03c4\u03bf\u03c5 \u039f\u03c7\u03ac\u03b9\u03bf. \u0397 \u03bc\u03c5\u03c3\u03c4\u03b9\u03ba\u03ae 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\u03c3\u03c5\u03bd\u03b8\u03b5\u03c4\u03b9\u03ba\u03ce\u03bd \u03bf\u03c5\u03c1\u03bf\u03b4\u03cc\u03c7\u03c9\u03bd \u03ba\u03cd\u03c3\u03c4\u03b5\u03c9\u03bd \u03b2\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b5 \u03c0\u03b5\u03c1\u03b1\u03b9\u03c4\u03ad\u03c1\u03c9 \u03c4\u03b7\u03bd \u03b1\u03bd\u03b8\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bc\u03c0\u03ac\u03bb\u03b1\u03c2.<\/p>\n\n<h2 class=\"wp-block-heading\">\u0397 \u03b5\u03c0\u03af\u03b4\u03c1\u03b1\u03c3\u03b7 \u03c4\u03c9\u03bd \u03ba\u03b1\u03bd\u03cc\u03bd\u03c9\u03bd \u03c4\u03bf\u03c5 \u03c0\u03bf\u03b4\u03bf\u03c3\u03c6\u03b1\u03af\u03c1\u03bf\u03c5<\/h2>\n\n<p>\u03a3\u03c5\u03bd\u03b5\u03c7\u03ce\u03c2, \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03b7\u03bd \u03b9\u03c3\u03c4\u03bf\u03c1\u03af\u03b1, \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03bd\u03cc\u03bd\u03b5\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03bf\u03b4\u03bf\u03c3\u03c6\u03b1\u03af\u03c1\u03bf\u03c5 \u03ad\u03c7\u03bf\u03c5\u03bd \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03c3\u03b5\u03b9 \u03c4\u03bf \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03cc \u03c4\u03b7\u03c2 \u03bc\u03c0\u03ac\u03bb\u03b1\u03c2. \u0397 \u03bd\u03bf\u03bc\u03b9\u03bc\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7, \u03b3\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03c4\u03bf\u03c5 \u03bc\u03c0\u03bb\u03bf\u03ba\u03b1\u03c1\u03af\u03c3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03ac\u03c4\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03bc\u03ad\u03c3\u03b7 \u03c4\u03b7 \u03b4\u03b5\u03ba\u03b1\u03b5\u03c4\u03af\u03b1 \u03c4\u03bf\u03c5 1970 \u03bf\u03b4\u03ae\u03b3\u03b7\u03c3\u03b5 \u03c3\u03c4\u03b7\u03bd \u03c5\u03b9\u03bf\u03b8\u03ad\u03c4\u03b7\u03c3\u03b7 \u03c0\u03b9\u03bf \u03bc\u03b1\u03ba\u03c1\u03cc\u03c3\u03c4\u03b5\u03bd\u03bf\u03c5 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