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The advancement of intelligent monitoring technologies has created innovative pathways in the health sector. Leveraging sensors within smart devices, data can be seamlessly harvested by network systems. Triboelectric Nanogenerators (TENGs), acting as self-powered sensors, show promise for green, sustainable sensing and health-focused human–machine interactions. This Review Article delves into the four operational mechanisms of TENGs, providing a comprehensive review of their monitoring capabilities across varied environments. Specific applications include tracking human motion parameters, such as angles, frequencies, and trajectories, utilizing diverse materials to measure vital signs, such as heart rate, pulse, blood pressure, and respiration under changing conditions, in rehabilitation settings, employing both composite and standalone TENGs for targeted monitoring. This study also addresses challenges faced by TENGs, focusing on material flexibility, sustainability, washability, elasticity, and biocompatibility. The findings underscore the transformative potential of TENGs in health monitoring, offering valuable insights for fields such as smart sports, rehabilitation, and healthcare sensing. [ABSTRACT FROM AUTHOR]

The development of self-powered smart biosensors has attracted great attention due to their potential applications in human motion monitoring and energy collection systems. Here, a newly designed triboelectric nanogenerator (PSP-TENG) composed of the PU sponge, polytetrafluoroethylene, and polydimethylsiloxane for monitoring rear leg rotation motion in artistic gymnastics has been developed. The PSP-TENG can monitor the buffering and stretching time of rear leg rotation and identify the angle between the hip, knee, and ankle during the stretching stage. Furthermore, the PSP-TENG has the function of converting measured signals into power signals, which can convert collected human motion mechanical energy into electrical energy to power wearable devices. The development of PSP-TENG has made contributions to the field of human motion monitoring, providing ideas for new energy and technologies to improve the environment and promote a virtuous ecological cycle. [ABSTRACT FROM AUTHOR]