VIBROfocus: Design of a focal vibro-tactile robotic-assistive system for spasticity rehabilitation

Vojinovic, Tijana Jevtic; Zivanovic, Aleksandar; Carlson, Tom; Loureiro, Rui

doi:10.1109/icorr.2017.8009343

Cited by 1 publication

(2 citation statements)

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“…The VIBROfocus system [10] is designed for delivering therapy and measuring outcomes of a wrist joint affected by abnormally increased muscle tone in wrist flexors and/or extensor muscles. Therapy delivery is comprised of two approaches: focal vibration stimulation and repetitive roboticassisted movement therapy.…”

Section: A Vibrofocus Hardwarementioning

confidence: 99%

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Effects of Focal Vibration and Robotic Assistive Therapy on Upper Limb Spasticity in incomplete Spinal Cord Injury

Vojinovic

Linley

Zivanovic

et al. 2019

2019 IEEE 16th International Conference on Rehabilitation Robotics (ICORR)

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Vibration stimulation seems to be an affordable easy-to-use rehabilitation tool. Focal muscle vibration (FV) has potential to reduce spasticity and enhance muscle strength and performance. Combined with robotic assisted movement therapy, the rehabilitation can benefit from improvement of more than one aspect. For example, FV could firstly decrease abnormally increased muscle tone and joint rigidity by tackling volitional control for easier robotic movement exercise. Exactly this approach is evaluated within a clinical trial presented in this paper. FV were applied to relaxed spastic wrist flexor and extensor muscles for 15min. Subsequently, the wrist was engaged in a robotic-assisted game-playing. Results from two cases who completed the trial showed short-term decrease in wrist stiffness as assessed by clinical spasticity measurement Modified Ashworth Scale (MAS). Active range of motion (AROM) and engineering joint stiffness (JS) measurements were estimated using a robotic apparatus and the results complemented previous observations. The AROM increased and JS decreased for both cases when compared at the beginning and at the end of each interventional session. These results are a part of an ongoing clinical trial but show promise for reducing repercussions of spasticity in incomplete spinal cord injury.

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Section: A Vibrofocus Hardwarementioning

confidence: 99%

“…The apparatus described in our previous work is used to measure volitional abilities, range of motion and joint stiffness, and equally provide robotic-assisted mobility therapy. Additionally, clinical measure of spasticity (Modified Ashworth Scale or MAS) is employed to further affirm results [10].…”

Section: Introductionmentioning

confidence: 99%