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1. (WO2016029138) SYSTEMS AND METHODS FOR JOINT ACTIVITY MONITORING
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Claims

1. A joint analysis system for analyzing kinematics of an anatomical joint, the joint having a first side and a second side, the joint analysis system

comprising:

a sensor device, configured to be disposed on the first side of the joint, the sensor device having:

one or more sensors;

a processor coupled to the one or more sensors;

a wireless data transmitter coupled to the processor;

a data storage device coupled to the processor; and

a battery coupled to the sensors, processor, wireless data transmitter, and data storage device;

a magnet, configured to be disposed on the second side of the joint; and an analysis engine, configured to receive data from the sensors.

2. The system of claim 1, wherein the one or more sensors includes a

magnetometer.

3. The system of claim 2, wherein magnetometer sensor is adapted to provide readings that are influenced by the magnetic field provided by the magnet to provide kinematic information of the joint.

4. The system of claim 1, wherein the one or more sensors includes an

accelerometer.

5. The system of claim 1, wherein the one or more sensors includes a gyroscope.

6. The system of claim 1, wherein the one or more sensors are further configured to sense stride length.

7. The system of claim 1, wherein the one or more sensors are further configured to sense swing time.

8. The system of claim 1, wherein the one or more sensors are further configured to sense stance time.

9. The system of claim 1, wherein the one or more sensors are further configured to sense ambulation speed.

10. The system of claim 1, wherein the one or more sensors are further configured to sense distance traveled.

11. The system of claim 1, wherein the one or more sensors are further configured to sense gait symmetry.

12. The system of claim 1, wherein the one or more sensors are further configured to sense gait cadence.

13. The system of claim 1, wherein the one or more sensors are further configured to sense joint kinematics.

14. The system of claim 1, wherein the one or more sensors are further

configured to sense a disrupted pattern of ambulation.

15. The system of claim 1, wherein the data analysis engine is further configured to recognize an abnormal gait or behavior.

16. The system of claim 1, further comprising a base station, the base station comprising

a processor;

a data storage device coupled to the processor;

a user interface coupled to the processor; and

a wireless data transmitter coupled to the processor and configured to communicate with the wireless data transmitter of the sensor device.

17. The system of claim 16, wherein the base station further comprises a display.

18. The system of claim 1, wherein the sensor device and the magnet are

configured to be worn by an animal or human.

19. The system of claim 1, wherein the sensor device and the magnetic are

configured to be implanted in an animal or human.

20. A method of analyzing kinematics of an anatomical joint, comprising:

calibrating one or more sensors and a magnet relative the joint;

sensing a magnetic field with the calibrated sensors while the joint exhibits motion and angular velocity to generate a signal;

filtering signal noise, if any, from the signal and identifying joint motion based on the corresponding acceleration and angular velocity; and

calculating joint and gait kinematic parameters from the identified joint motion.