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Every company evolves as the problem it is trying to solve becomes clearer. For us, that moment arrived as we went deeper into building intelligence around human biosignals. What began with one idea grew into something broader and more foundational, and it needed an identity that reflected that shift. With the same DNA and a clearer direction, Nexstem is now Anthriq.

Today, we’re excited to unveil Project Kinesis — Study of the language of human movement. A research initiative to understand how muscle signals can help us build more natural, intuitive, and responsive ways to interact with technology. Earlier this month, we conducted a pilot study using surface electromyography (sEMG), marking the first step in our long-term mission to build the world’s most comprehensive dataset of human movements. Our goal is to move beyond simple motion tracking and detect human intent at its source. Kinesis: Gesture is a comprehensive library of hand gestures—including forearm flexion, wrist movements, and finger-level gestures.

Every thought, heartbeat, and muscle twitch leaves behind a signal, but how do we actually capture them? In this blog post, we explore the sensors that make biosignal measurement possible, from EEG and ECG electrodes to optical and biochemical interfaces, and what it takes to turn those signals into meaningful data.