"3" . . "The sit-up: complex kinematics and muscle activity in voluntary axial movement"@nl . . "wetenschappelijk artikel"@nl . "Cordo PJ" . . . . "Smith TC" . . . . . . . . "The sit-up: complex kinematics and muscle activity in voluntary axial movement"@en . "The sit-up: complex kinematics and muscle activity in voluntary axial movement"@nl . . . . . "The sit-up: complex kinematics and muscle activity in voluntary axial movement"@en . . . . . . . . "2003-06-01T00:00:00Z"^^ . . . . . . . . . . . . . . . . . . . "Gurfinkel VS" . . "10.1016/S1050-6411(03)00023-3" . . . . "12706604" . . . . . . . . . . . "The sit-up: complex kinematics and muscle activity in voluntary axial movement"@en . . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F, \u043E\u043F\u0443\u0431\u043B\u0456\u043A\u043E\u0432\u0430\u043D\u0430 \u0432 \u0447\u0435\u0440\u0432\u043D\u0456 2003"@uk . . "scientific article published on 01 June 2003"@en . "239-252" . . . . "art\u00EDculu cient\u00EDficu espubliz\u00E1u en xunu de 2003"@ast . . . "The sit-up: complex kinematics and muscle activity in voluntary axial movement"@nl . "13" . . . "article scientifique publi\u00E9 en 2003"@fr . . "The sit-up: complex kinematics and muscle activity in voluntary axial movement"@en .