Effect of stochastic resonance on proprioception and kinesthesia in anterior cruciate ligament reconstructed patients

Low amplitude mechanical noise vibration has been shown to improve somatosensory acuity in various clinical groups with comparable deficiencies through a phenomenon known as Stochastic Resonance (SR). This technology showed promising outcomes in improving somatosensory acuity in other clinical patie...

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Bibliographic Details
Published in:	Journal of biomechanics Vol. 84; pp. 52 - 57
Main Authors:	Zandiyeh, Payam, Küpper, Jessica C., Mohtadi, Nicholas George H., Goldsmith, Peter, Ronsky, Janet L.
Format:	Journal Article
Language:	English
Published:	United States Elsevier Ltd 14-02-2019 Elsevier Limited
Subjects:	Acuity Anterior cruciate ligament anterior cruciate ligament (ACL) reconstruction surgery Anterior Cruciate Ligament - physiology Anterior Cruciate Ligament - physiopathology Anterior Cruciate Ligament - surgery Anterior Cruciate Ligament Injuries - physiopathology Anterior Cruciate Ligament Injuries - surgery Anterior Cruciate Ligament Reconstruction Biocompatibility Biomechanical Phenomena Biomedical materials Case-Control Studies Cohort Studies Conflicts of interest Female Females Humans Hypotheses Injuries joint position sense (JPS) Kinesthesia Kinesthesis Knee knee joint Mechanical Phenomena Motion perception Noise Osteoarthritis Patient satisfaction Patients Position measurement Proprioception Range of Motion, Articular Signal-To-Noise Ratio Statistical analysis Statistics Stochastic resonance stochastic resonance (SR) Stochasticity Surgeons Surgery threshold to detection of a passive movement (TDPM) Vibration Young Adult threshold to detection of a passive movement (TDPM) joint position sense (JPS) stochastic resonance (SR) proprioception anterior cruciate ligament (ACL) reconstruction surgery knee joint
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Summary:	Low amplitude mechanical noise vibration has been shown to improve somatosensory acuity in various clinical groups with comparable deficiencies through a phenomenon known as Stochastic Resonance (SR). This technology showed promising outcomes in improving somatosensory acuity in other clinical patients (e.g., Parkinson’s disease and osteoarthritis). Some degree of chronic somatosensory deficiency in the knee has been reported following anterior cruciate ligament (ACL) reconstruction surgery. In this study, the effect of the SR phenomenon on improving knee somatosensory acuity (proprioception and kinesthesia) in female ACL reconstructed (ACLR) participants (n = 19) was tested at three months post-surgery, and the results were compared to healthy controls (n = 28). Proprioception was quantified by the measure of joint position sense (JPS) and kinesthesia with the threshold to detection of passive movement (TDPM). The results based on the statistical analysis demonstrated an overall difference between the somatosensory acuity in the ACLR limb compared to healthy controls (p = 0.007). A larger TDPM was observed in the ACLR limb compared to the healthy controls (p = 0.002). However, the JPS between the ACLR and healthy limbs were not statistically significantly different (p = 0.365). SR significantly improved JPS (p = 0.006) while the effect was more pronounced in the ACLR cohort. The effect on the TDPM did not reach statistical significance (p = 0.681) in either group. In conclusion, deficient kinesthesia in the ACLR limb was observed at three months post-surgery. Also, the positive effects of SR on somatosensory acuity in the ACL reconstructed group warrant further investigation into the use of this phenomenon to improve proprioception in ACLR and healthy groups.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0021-9290 1873-2380
DOI:	10.1016/j.jbiomech.2018.12.018