Medical apparatus and instruments for monitoring and measuring joint movement, sold as a unit with patient software for use with the goods; medical apparatus and instruments for monitoring and measuring patient fitness and physical activity, namely, range of motion, count of joint excursions, angles of joint extension and flexion, pressure, acceleration, orientation with respect to the earth and distal elements of the body and joint during sleep, rest, walking, climbing, sitting, squatting, and other movement and exercise, sold as a unit with patient software for use with the goods; patient monitoring sensors; remotely controlled patient monitoring sensors; patient monitoring sensors, namely, knee, hip, shoulder, elbow, and ankle sensors