A panel configured to be used for constructing a floor covering that comprises a plurality of said panels , the panel comprising: a core having a first side that is provided with a first extension region and a second side that is provided with a second extension region , wherein the first side is oppositely arranged relative to the second side, wherein the first extension region comprises a first coupling profile and wherein the second extension region comprises a second coupling profile that is complementary to the first coupling profile ; wherein the first coupling profile comprises an upward tongue that runs at a distance from and parallel to a first inner flank of the core , wherein a clearance between the first inner flank of the core and the first upward tongue forms an upward groove ; wherein the second coupling profile comprises a downward tongue that runs at a distance from and parallel to a second inner flank of the core , wherein a clearance between the second inner flank of the core and the downward tongue forms a downward groove ; wherein the upward tongue comprises a curved portion , an upward flank extending from a bottom of the upward groove to the curved portion , and a downward flank extending from the curved portion (13 and forming an outer edge of the panel ; wherein the downward flank is provided with a first coupling element situated at a distance from the curved portion ; and wherein the second inner flank is provided with a second coupling element , wherein the panel is configured to be coupled by a substantially vertical movement to an adjacently arranged further panel , and wherein the first coupling element is configured to co-act with the second coupling element of said adjacently arranged further panel for the purpose of mutually locking the panel and further panel ; characterized in that an outermost point of the curved portion is positioned further away from the first inner flank than a center point of the upward tongue . a core having a first side that is provided with a first extension region and a second side that is provided with a second extension region , wherein the first side is oppositely arranged relative to the second side, wherein the first extension region comprises a first coupling profile and wherein the second extension region comprises a second coupling profile that is complementary to the first coupling profile ; wherein the first coupling profile comprises an upward tongue that runs at a distance from and parallel to a first inner flank of the core , wherein a clearance between the first inner flank of the core and the first upward tongue forms an upward groove ; wherein the second coupling profile comprises a downward tongue that runs at a distance from and parallel to a second inner flank of the core , wherein a clearance between the second inner flank of the core and the downward tongue forms a downward groove ; wherein the upward tongue comprises a curved portion , an upward flank extending from a bottom of the upward groove to the curved portion , and a downward flank extending from the curved portion (13 and forming an outer edge of the panel ; wherein the downward flank is provided with a first coupling element situated at a distance from the curved portion ; and wherein the second inner flank is provided with a second coupling element , wherein the panel is configured to be coupled by a substantially vertical movement to an adjacently arranged further panel , and wherein the first coupling element is configured to co-act with the second coupling element of said adjacently arranged further panel for the purpose of mutually locking the panel and further panel ; characterized in that an outermost point of the curved portion is positioned further away from the first inner flank than a center point of the upward tongue . <EOS>