Tobias Nef

About

Tobias Nef is a pioneering biomedical engineer whose research sits at the intersection of robotics, neuroscience, and rehabilitation medicine, with a particular focus on developing robotic systems to restore motor function in stroke survivors. He is best known as a principal architect of the ARMin exoskeleton series — a family of sophisticated arm therapy robots that progressively evolved from early prototypes to the multi-degree-of-freedom ARMin III, featuring ergonomic shoulder actuation and patient-cooperative control strategies. His foundational papers, including "Robot-aided neurorehabilitation of the upper extremities" (2005, 407 citations) and the ARMin design publications (collectively accumulating well over 1,500 citations), established core principles for how robotic systems can deliver intensive, repetitive, and precisely measurable therapy that manual approaches cannot match. His landmark 2014 multicentre randomised clinical trial (525 citations) provided critical evidence that three-dimensional, task-specific robot therapy meaningfully improves arm function after stroke, bridging the gap between engineering innovation and clinical validation. Through this body of work, Nef has fundamentally shaped the field of rehabilitation robotics, offering both the technical frameworks and clinical proof-of-concept that continue to guide researchers and clinicians worldwide.

Research Focus

Key Achievements

Top Papers

1. 1
   Three-dimensional, task-specific robot therapy of the arm after stroke: a multicentre, parallel-group randomised trial

   525 citations · 2014
2. 2
   ARMin: a robot for patient-cooperative arm therapy

   437 citations · 2007
3. 3
   Robot-aided neurorehabilitation of the upper extremities

   407 citations · 2005
4. 4
   ARMin III – Arm Therapy Exoskeleton with an Ergonomic Shoulder Actuation

   404 citations · 2009
5. 5
   ARMin III – Arm Therapy Exoskeleton with an Ergonomic Shoulder Actuation

   267 citations · 2009
6. 6
   ARMin II - 7 DoF rehabilitation robot: mechanics and kinematics

   216 citations · 2007
7. 7
   ARMin - Exoskeleton for Arm Therapy in Stroke Patients

   191 citations · 2007
8. 8
   ARMin - robot for rehabilitation of the upper extremities

   180 citations · 2006
9. 9
   Effects of intensive arm training with the rehabilitation robot ARMin II in chronic stroke patients: four single-cases

   180 citations · 2009
10. 10
    ARMin - Design of a Novel Arm Rehabilitation Robot

    179 citations · 2005

Key Collaborators

Contact & Links