
Note: This page is part of the Motion Arm Prosthetist Manual and provides links to training videos for the elbow.
MOTION ARM™ ML
The Motion Arm (Manual Lock) ML is a manual locking, body powered hybrid elbow for use with electric terminal devices and passive or electric wrist rotators. Completely redesigned, the lock mechanism will support up to 50ft-lbs. The input manifold at the top of the humeral section utilizes industry standard connections, all of which are waterproof. The elbow comes with an adjustable lift tab and spectra lock/unlock cable. Indicator lights show the amount of charge in the battery.
MOTION ARM™ EL
The Motion Arm EL has an electric lock/unlock mechanism perfect for short transhumeral and high-level amputation levels as well as mid to long transhumeral amputation levels. There are 3 lock/unlock triggers and the availability use a switch. To adjust the trigger parameters, the Motion Arm User Interface (MAUI) easily connects your Apple® handheld device to the processer via Bluetooth®.


The Motion Arm Manual Lock (ML) and Electric Lock (EL) set a new standard for prosthetic elbows. The following education tutorials are available to help set up the arm.
Motion Arm Quick Overview (4 min.)
Socket Attachment Tutorial (4:40 min.)
Automatic Forearm Adjustment Tutorial (2:10 min.)
Device Overview and Information (9 min.)
Motion Arm ML Settings (5 min.)
Installing the Lift Tab (4 min.)
User Interface (MAUI) Software Review (3:50 min.)