A kit , comprising: - a distractor configured to separate a first bone from a second bone adjacent to the first bone, the distractor having a first member and a second member configured to be positioned between the first bone and the second bone, the first member including a first portion and a second portion , wherein the distractor is configured to move the first member with respect to the second member to thereby separate the first bone from the second bone; - a plurality of trial elements , each of the trial elements corresponding to a corresponding one of a plurality of surgical implants, each of the trial elements being configured to be temporarily coupled to the second bone so as to evaluate suitability of the corresponding one of the plurality of surgical implants for implantation, each of the trial elements further configured to receive at least one sensor ; - at least two sensors configured to be selectively received in the distractor or one of the plurality of trial elements , wherein the at least two sensors are configured to record at least one of a magnitude of a force, a direction of application of a force, a pressure mapping, and/or a location of application of a force, wherein the distractor includes a first recess within the first portion of the first member configured to receive a first one of the at least two sensors and a second recess within the second portion of the first member configured to receive a second one of the at least two sensors , characterised in that each of the first and second recesses are configured to receive the corresponding one of the first and second ones of the at least two sensors in a plurality of positions, whereby a distance between the first one of the at least one sensor and the second one of the at least two sensors can be adjusted. - a distractor configured to separate a first bone from a second bone adjacent to the first bone, the distractor having a first member and a second member configured to be positioned between the first bone and the second bone, the first member including a first portion and a second portion , wherein the distractor is configured to move the first member with respect to the second member to thereby separate the first bone from the second bone; - a plurality of trial elements , each of the trial elements corresponding to a corresponding one of a plurality of surgical implants, each of the trial elements being configured to be temporarily coupled to the second bone so as to evaluate suitability of the corresponding one of the plurality of surgical implants for implantation, each of the trial elements further configured to receive at least one sensor ; - at least two sensors configured to be selectively received in the distractor or one of the plurality of trial elements , wherein the at least two sensors are configured to record at least one of a magnitude of a force, a direction of application of a force, a pressure mapping, and/or a location of application of a force, wherein the distractor includes a first recess within the first portion of the first member configured to receive a first one of the at least two sensors and a second recess within the second portion of the first member configured to receive a second one of the at least two sensors , characterised in that each of the first and second recesses are configured to receive the corresponding one of the first and second ones of the at least two sensors in a plurality of positions, whereby a distance between the first one of the at least one sensor and the second one of the at least two sensors can be adjusted. <EOS>