Assessment of upper limb spasticity in stroke patients using the robotic device REAplan
(2017) Journal of Rehabilitation Medicine — Vol. 49, n° 7, p. 565-571 (2017)
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- Abstract
- Objective: To assess the capacity of the robotic device REAplan to measure overall upper limb peak resistance force, as a re ection of upper limb spasticity. Methods: Twelve patients with chronic stroke presenting upper limb spasticity were recruited to the study. Patients underwent musculocutaneous motor nerve block to reduce the spasticity of elbow exor muscles. Each patient was assessed before and after the motor nerve block. Overall the REAplan measured upper limb resistance force. The robot passively mobilized the patient’s upper limb at various velocities (10, 20, 30, 40 and 50 cm/s) in a back-and- forth trajectory (30 cm). The peak resistance force was analysed for each forward movement. Ten movements were performed and averaged at each velocity condition. Results: The overall upper limb resistance force increased proportionally to the mobilization velocity (p < 0.001). Resistance force decreased after the motor nerve block at 40 and 50 cm/s (p<0.05). Overall upper limb resistance force results showed excellent correlation with the Modi ed Ashworth Scale for elbow exor muscles, for each velocity condition equal or higher than 30 cm/s (ρ>0.6). Conclusion: This study proposes a new, valid, reliable and sensitive protocol to quantify upper limb resistance force using the REAplan, as a re ection of upper limb spasticity.
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Dehem, S., Gilliaux, M., Lejeune, T., Detrembleur, C., Galinski, D., Sapin, J., Vanderwegen, M., & Stoquart, G. (2017). Assessment of upper limb spasticity in stroke patients using the robotic device REAplan. Journal of Rehabilitation Medicine, 49(7), 565-571. https://doi.org/10.2340/16501977-2248 (Original work published 2017)