An electrosurgical instrument, comprising: a housing comprising a printed control board; a shaft extending from the housing; an end effector extending from the shaft; an articulation joint rotatably connecting the end effector to the shaft; and a wiring circuit extending from the printed control board through the shaft and into the end effector, wherein the wiring circuit is configured to monitor a function of the end effector and communicate the monitored function to the printed control board, and wherein the wiring circuit comprises: a proximal rigid portion fixed to the shaft; a distal rigid portion fixed to the end effector, and an intermediate portion extending from the proximal rigid portion to the distal rigid portion, wherein the intermediate portion comprises: a resilient portion that is is transitionable between a relaxed configuration and an unrelaxed configuration; and a stretchable portion, and wherein the electrosurgical instrument further comprises: a conductive wire extending through the resilient portion, wherein the conductive wire comprises the stretchable portion, and wherein the conductive wire is configured to elongate when the resilient portion is transitioned from the relaxed configuration to the unrelaxed configuration. a housing comprising a printed control board; a shaft extending from the housing; an end effector extending from the shaft; an articulation joint rotatably connecting the end effector to the shaft; and a wiring circuit extending from the printed control board through the shaft and into the end effector, wherein the wiring circuit is configured to monitor a function of the end effector and communicate the monitored function to the printed control board, and wherein the wiring circuit comprises: a proximal rigid portion fixed to the shaft; a distal rigid portion fixed to the end effector, and an intermediate portion extending from the proximal rigid portion to the distal rigid portion, wherein the intermediate portion comprises: a resilient portion that is is transitionable between a relaxed configuration and an unrelaxed configuration; and a stretchable portion, and wherein the electrosurgical instrument further comprises: a conductive wire extending through the resilient portion, wherein the conductive wire comprises the stretchable portion, and wherein the conductive wire is configured to elongate when the resilient portion is transitioned from the relaxed configuration to the unrelaxed configuration. a proximal rigid portion fixed to the shaft; a distal rigid portion fixed to the end effector, and an intermediate portion extending from the proximal rigid portion to the distal rigid portion, wherein the intermediate portion comprises: a resilient portion that is is transitionable between a relaxed configuration and an unrelaxed configuration; and a stretchable portion, and wherein the electrosurgical instrument further comprises: a resilient portion that is is transitionable between a relaxed configuration and an unrelaxed configuration; and a stretchable portion, and wherein the electrosurgical instrument further comprises: a conductive wire extending through the resilient portion, wherein the conductive wire comprises the stretchable portion, and wherein the conductive wire is configured to elongate when the resilient portion is transitioned from the relaxed configuration to the unrelaxed configuration.