All beneficiariescompanyGarminIdeas that could help GarminNIRS-Based Threshold TrainerA wearable sensor and app that identifies a runner's second ventilatory threshold (VT2) in real-time using muscle oxygen saturation (StO2) instead of expensive gas exchange tests.Why it helps: Integrating NIRS sensors into their high-end running watches would provide a competitive edge by offering lab-grade threshold detection on the wrist/limb.