Electronic elbow joint usually is used with a Myoelectric hand (2 degree movement) or along with a electronic wrist also (3 degree movement).

Features:

• Flexion& extension of elbow is controlled by myoelectricity.
• Passive changeover switch is added in case of myoelectricity switch failures
• Upper arm can rotate passively and self-lock at any position
• Anti-electromagnetic interference (for example cell phone)