Spinal neuromotor rehabilitation using a portable isokinetic training robot
Nature • • health
Key Points:
- Researchers developed a lightweight (0.96 kg) wearable robot that provides isokinetic resistance training to support neuromuscular rehabilitation in juveniles with Spinal Muscular Atrophy (SMA) type II.
- In a clinical trial with six participants, six weeks of robot-assisted training led to significant improvements in lower-extremity motor function, including a 7° improvement in seated knee flexion angle during sit-to-stand transitions.
- Participants showed substantial increases in bilateral knee joint function, with peak torque rising by 130%, range of motion by 51%, and work by 97%.
- Physiological benefits included quadriceps muscle hypertrophy (up to 21% increase in physiological cross-sectional area) and enhanced femoral nerve conduction, indicating underlying neuromuscular recovery.
- Gains achieved through the robotic training were maintained after participants returned to conventional physiotherapy, suggesting lasting benefits from temporary isokinetic resistance training via wearable robotics.