"We use the IMU sensors to detect which exercise the user is performing and identify the period engaging in concentric, eccentric, or isometric hold. These are the three main types of lifting exercises; you might know them as contracting, lengthening, or static exercises. The Fort uses the wrist as a proxy for bar velocity, and the company is seeking FDA clearance and will also be pursuing large, third-party studies from independent labs."
"When it ships, the Fort will evaluate a wide range of strength-training metrics that include not only auto-tracking reps and exercises and velocity, but also per-volume muscle breakdowns, proximity to failure, and time under tension. It will also check heart rate zones, your VO2 max, sleep stages, recovery scoring, overnight heart rate variability (HRV), and real-time stress detection."
"After you purchase the hardware, the subscription costs $80 per year. This is much more in line with the yearly subscription costs for other fitness trackers and much more reasonable than a Whoop subscription, which starts at $199."
Fort is an innovative velocity tracker designed for strength training that uses IMU sensors to automatically detect which exercise is being performed and identify whether the movement is concentric, eccentric, or isometric. The device can be worn on the wrist or attached via magnetic case directly to barbells or equipment. It tracks multiple metrics including rep counting, exercise identification, velocity, muscle volume breakdowns, proximity to failure, time under tension, heart rate zones, VO2 max, sleep stages, recovery scoring, heart rate variability, and stress detection. The company is pursuing FDA clearance and third-party validation studies. Fort will launch with approximately 50 auto-recognized weightlifting exercises and variations. The subscription model costs $80 annually, positioning it competitively against other fitness trackers.
Read at WIRED
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