WEARABLE DEVICE FOR COUPLING TO A USER, AND MEASURING AND MONITORING USER ACTIVITY

1 . A system for monitoring a joint of a user, comprising:

a goniometer device for measuring an angle of the joint, the goniometer device comprising: a center hub, a first arm attached to the center hub, and a second arm attached to the center hub; and

a pedometer removably attached to the goniometer device and configured to count a number of steps taken by the user.

2 . The system of claim 1 , wherein the pedometer is removably attached to the first arm of the goniometer device at an outer end thereof, opposite the center hub.

3 . The system of claim 1 , wherein, by a magnetic coupling, the pedometer is removably attached to the goniometer device.

4 . The system of claim 3 , wherein the pedometer includes one or more metallic elements to provide the magnetic coupling with the goniometer device.

5 . The system of claim 3 , wherein the pedometer includes one or more magnets to enable the magnetic coupling with the goniometer device.

6 . The system of claim 3 , wherein the pedometer includes two magnets spaced to enable the magnetic coupling with the goniometer device, and wherein the two magnets are spaced apart from one another.

7 . The system of claim 1 , wherein the pedometer includes a body and a circuit board, and the circuit board comprises one or more sensors.

8 . The system of claim 7 , wherein the one or more sensors of the pedometer include an accelerometer.

9 . A system for monitoring a joint of a user, comprising:

a coupling apparatus configured to be adhesively attached to a limb portion proximal to the joint of the user;

a goniometer device for measuring an angle of the joint, including: a center hub, a first arm attached to the center hub, and a second arm attached to the center hub, wherein the first arm is configured to be removably attached to the coupling apparatus at an outer end thereof, opposite the center hub; and

a pedometer removably attached to the coupling apparatus and configured to count a number of steps taken by the user.

10 . The system of claim 9 , wherein, via the goniometer device, the pedometer is removably attached to the coupling apparatus.

11 . The system of claim 9 , wherein, by a magnetic coupling, the pedometer is removably attached to the coupling apparatus.

12 . The system of claim 11 , wherein the pedometer includes one or more metallic components to enable the magnetic coupling with a magnet attached to the coupling apparatus.

13 . The system of claim 11 , wherein the pedometer includes one or more magnets to enable the magnetic coupling with the coupling apparatus.

14 . The system of claim 11 , wherein the pedometer includes two magnets spaced to enable the magnetic coupling with the coupling apparatus, and wherein the two magnets are spaced apart from one another.

15 . The system of claim 11 , wherein the pedometer includes a body and a circuit board, and the circuit board comprises one or more sensors.

16 . The system of claim 15 , wherein the one or more sensors of the pedometer include an accelerometer.

17 . A pedometer for detecting steps taken by a user, comprising:

a body and a circuit board that comprises one or more sensors for detecting motion, wherein, by a magnetic coupling, the body is configured to be removably attached to a peripheral device.

18 . The pedometer of claim 17 , wherein the peripheral device includes a goniometer device for measuring an angle of a joint of the user.

19 . The pedometer of claim 17 , further including one or more metallic components to enable the magnetic coupling with a magnet in the peripheral device.

20 . The pedometer of claim 17 , further including one or more magnets to enable the magnetic coupling with the peripheral device.