An electronic system includes: a fastening portion of a joint-wearable device, the fastening portion configured to physically secure the joint-wearable device for affixing the joint-wearable device relative to a physiological joint of a user and a joint sensor of the joint-wearable device, the joint sensor connected to the fastening portion and configured to generate a sensor output for representing a joint movement associated with the physiological joint in controlling the electronic system according to the joint movement.
