Applications of graphene-based textile strain sensors. (a) Relative resistance changes of the elbow joint bending. “Adapted with permission from reference [45]. Copyright [2020], Macromolecular Materials and Engineering”. (b) Relative resistance changes of the CFSS to wrist bending. “Adapted with permission from reference [82]. Copyright [2020], ACS Applied Materials & Interfaces”. (c) Responsive curves of wearable sensor on the knee under motions of flexing/extending, walking, jogging, jumping, and squatting-jumping. “Adapted with permission from reference [65]. Copyright [2015], Advanced materials”. (d) Responsive curves of the graphene-silk fabric strain sensor to eyes blinking, mouth opening and closing, laughing and crying. “Adapted with permission from reference [79]. Copyright [2019], Advanced Materials Interfaces”. (e) Responsive curves of wearable sensors during the robot’s dance “Gangnam Style”: Elbow (black line), waist (redline), and knee (blue line). “Adapted with permission from reference [65]. Copyright [2015], Advanced materials”. (f) Relative resistance changes with various movements of the motion glove containing the fabric-based sensors, such as pressing, bending, grabbing, and up, down, and rotation of the wrist. “Adapted with permission from reference [83]. Copyright [2018], ACS Applied Materials & Interfaces”.