Wearable device for determining motion and/or a physiological state of a wearer

A knee brace for determining a nature of motion and/or a physiological state of a wearer, the knee brace comprising:

• a first brace portion configured to be mounted superior to a knee joint of the wearer;
• a second brace portion configured to be mounted inferior to a knee joint of the wearer;
• and
• at least one sensor mounted to the first brace portion and/or the second brace portion, wherein the at least one sensor comprises an inertial measurement unit (IMU) comprising at least one accelerometer, wherein the at least one sensor is configured to, while the knee brace is being worn:
• detect a motion parameter of the wearer;
• and
• generate input data indicative of the motion parameter, wherein the input data comprises accelerometer data,
• the knee brace further comprising a processor configured to:
• receive the input data from the at least one sensor;
• data execute an algorithm to determine that the wearer is walking, wherein the algorithm comprising comprises detecting a first event in the accelerometer data indicative of a heel strike event, detecting a second event in the accelerometer data, and detecting a repeat of the first event in the accelerometer data, and making a determination that the wearer is walking based on the detected sequence of events in the accelerometer data;
• and
• determine gait spatiotemporal parameters of the wearer based at least in part on the determination that the wearer is walking.