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Oakley PA, Haas JW, Harrison DE. Improved postural control in a patient having adult spinal deformity and previous thoraco-lumbar scoliosis surgery: a Chiropractic Biophysics ® case report. AME Case Rep 2024; 8:58. [PMID: 39091542 PMCID: PMC11292062 DOI: 10.21037/acr-23-183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 02/20/2024] [Indexed: 08/04/2024]
Abstract
Background There is evidence indicating patients with spinal deformity have impaired postural control and balance issues. Often, previous surgical intervention excludes the older patient from further invasive procedures leaving them with limited treatment options. The purpose of this case is to report on the clinically significant improvement in postural control as measured by force plate after a multimodal treatment program of Chiropractic Biophysics® (CBP®) posture rehabilitation as well as balance rehabilitation in an elderly patient with long-standing spinal deformity including thoracic hyperkyphosis and a T10-L4 Harrington rod instrumentation for thoracolumbar scoliosis. Case Description A 69-year-old female presented with the main complaint of balance and gait impairment as well as back pain and headaches. Balance assessment on a force plate showed impaired balance, in the vestibular challenging condition (eyed closed; standing on foam). Radiography showed a forward stooped posture and surgical hardware. Treatment was directed at posture by CBP methods and balance rehabilitation by a whole-body vibration exercise program. Treatment progressed over a 10-month period. The patient experienced relief of back pains and headaches. There was a clinically significant improvement in posturography including a 102 cm reduction in center of pressure (COP) path length. There was an inch reduction in forward sagittal stoop. Conclusions A non-surgical rehabilitation program demonstrated a clinically significant improvement in balance performance in an elderly female diagnosed with osteopenia, spinal deformity, and previous spine deformity surgery. This approach to improving postural stability is important and further investigations should be undertaken.
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Affiliation(s)
- Paul A. Oakley
- Rehabilitation Department, Innovative Spine & Wellness, Newmarket, ON, Canada
| | - Jason W. Haas
- Research Department, CBP NonProfit, Inc., Eagle, ID, USA
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Maslova O, Shusharina N, Videnin A, Pyatin V. Integrative function of proprioceptive system in the acute effects of whole body vibration on the movement performance in young adults. Front Sports Act Living 2024; 6:1357199. [PMID: 38654753 PMCID: PMC11035735 DOI: 10.3389/fspor.2024.1357199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Accepted: 03/25/2024] [Indexed: 04/26/2024] Open
Abstract
Background The proprioceptive system coordinates locomotion, but its role in short-term integration and recovery of motor activity in imbalance of motor patterns and body remains debated. The aim of this study is investigating the functional role of proprioceptive system in motor patterns and body balance in healthy young adults. Methods 70 participants (aged 20.1 ± 0.3) were divided into experimental groups EG1 (n = 30), EG2 (n = 30), control group (CG, n = 10). EG1 performed single WBV session on Power Plate (7 exercises adapted to Functional Movement Screen (FMS). EG2 performed single session of FMS Exercises (FMSE). CG didn't perform any physical activity. All participants performed pre- and post-session of FMS and stabilometric measurements. Results FMS total score in EG1 increased by 2.0 ± 0.2 (p0 < 0.001), this was significantly differed (p0 < 0.001) from EG2 and CG. Acute effects of WBV and FMSE on rate of change and standard deviation (SD) of pressure center (COP) were shown in all groups during Static Test (p0 < 0.01). SD increased (p0 < 0.01) in Given Setting Test in EG1 and EG2, and in Romberg Test (p0 < 0.001) in EG1. Length, width and area (p0 < 0.01) of confidence ellipse, containing 95% of the statokinesiogram points, decreased in Static Test in EG1; width and area (p0 < 0.01) decreased in EG2 group. Significant (p0 < 0.01) decrease in Given Setting Test was in EG1, and significant (p0 < 0.01) increase was in Romberg Test (open eyes) in CG. Maximum amplitude of COP oscillations: significantly (p0 < 0.01) decreasing along X and Y axes in EG1 and EG2, and along Y axis in CG during Static Test; along Y axis (p0 < 0.01) in all groups during Given Setting Test. Significant differences were identified (p0 < 0.01) in calculated energy consumption for COP moving during all stabilometric tests. However, inter-group differences in COP after acute WBV and FMSE sessions have not been identified. Conclusions Acute WBV session eliminates the deficits in motor patterns which is not the case after acute FMSE session, which, according to our integrative movement tuning hypothesis, is due to high activation of integrative function of proprioceptive system. Efficacy of WBV and FMSE on COP performance indicates a high sensitivity of postural control to different levels of proprioceptive system activity.
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Affiliation(s)
- Olga Maslova
- Neurosociology Laboratory, Neurosciences Research Institute, Samara State Medical University, Samara, Russia
| | - Natalia Shusharina
- Baltic Center for Neurotechnologies and Artificial Intelligence, Immanuel Kant Baltic Federal University, Kaliningrad, Russia
| | - Arseniy Videnin
- Physiology Department, Samara State Medical University, Samara, Russia
| | - Vasiliy Pyatin
- Neurointerfaces and Neurotechnologies Laboratory, Neurosciences Research Institute, Samara State Medical University, Samara, Russia
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Glass SM, Morelli R, Mellinger E, Delaney C, Plassmann C, Kolb C, Parcetich KM. Acute responses of postural alignment and intermuscular coherence to anti-gravitational muscle engagement-A randomized crossover trial. J Bodyw Mov Ther 2024; 38:133-142. [PMID: 38763552 DOI: 10.1016/j.jbmt.2023.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 09/03/2023] [Accepted: 10/03/2023] [Indexed: 05/21/2024]
Abstract
INTRODUCTION Posture is a facet of clinical assessment in several rehabilitative disciplines. Despite extensive clinical focus, the precision with which posture can be evaluated and intervened upon is limited by the very general terms used to describe it. The purpose of this crossover trial was to quantify the effects of targeted postural intervention motivated by theoretical sagittal gravitational collapsing (SGC) tendencies on: 1) distance from SGC, 2) intermuscular coherence (iCOH), and 3) kinematic chain connectivity. METHODS Ten healthy adults (24.50 ± 1.18 years, 172.72 ± 10.19 cm, 76.47 ± 14.60 kg) completed pre- and post-intervention testing on two occasions involving contrasting interventions: promote postural muscle (PPM) vs. reduce compensatory muscle (RCM) engagement. Distance from SGC, iCOH, and kinematic chain connectivity were quantified from electromyography and/or kinematic data acquired during tests administered before and after interventions. Effects of Treatment [PPM, RCM] and Time [Pre, Post] were tested with linear mixed models. RESULTS A Treatment*Time interaction was observed for distance from SGC. Post-intervention distance from SGC was greater following PPM only (p < 0.01). A Treatment*Time interaction was observed for hi-frequency trunk muscle iCOH, with a post-intervention increase corresponding to the RCM intervention (p < 0.007). Additional iCOH effects did not differ by intervention. CONCLUSION Distance from SGC is acutely modifiable and increases following exercises to facilitate anti-SGC muscles. Convergent findings related to kinematic chain connectivity and prescriptive neural binding were not observed. These observations suggest that it may be possible to describe, evaluate, and intervene upon posture in reference to a specific, mechanistic theory regarding the function of postural alignment.
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Affiliation(s)
- Stephen M Glass
- Department of Physical Therapy, Radford University Carilion, Roanoke, VA, 24013, USA.
| | - Ryan Morelli
- Department of Physical Therapy, Radford University Carilion, Roanoke, VA, 24013, USA
| | - Emily Mellinger
- Department of Physical Therapy, Radford University Carilion, Roanoke, VA, 24013, USA
| | - Caitlyn Delaney
- Department of Physical Therapy, Radford University Carilion, Roanoke, VA, 24013, USA
| | - Christine Plassmann
- Department of Physical Therapy, Radford University Carilion, Roanoke, VA, 24013, USA
| | - Caleb Kolb
- Department of Physical Therapy, Radford University Carilion, Roanoke, VA, 24013, USA
| | - Kevin M Parcetich
- Department of Physical Therapy, Radford University Carilion, Roanoke, VA, 24013, USA
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Silsby M, Yiannikas C, Fois AF, Kennerson ML, Kiernan MC, Fung VSC, Vucic S. Upper and lower limb tremor in Charcot-Marie-Tooth neuropathy type 1A and the implications for standing balance. J Neurol 2024; 271:1776-1786. [PMID: 38051345 PMCID: PMC10972941 DOI: 10.1007/s00415-023-12124-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 11/17/2023] [Accepted: 11/18/2023] [Indexed: 12/07/2023]
Abstract
BACKGROUND Neuropathic tremor occurs in Charcot-Marie-Tooth neuropathy type 1A (CMT1A; hereditary motor and sensory neuropathy, HMSN), although the pathophysiological mechanisms remain to be elucidated. Separately, lower limb tremor has not been explored in CMT1A and could be associated with imbalance as in other neuropathies. The present study aimed to determine tremor characteristics in the upper and lower limbs in CMT1A and relate these findings to clinical disability, particularly imbalance. METHODS Tremor and posturography studies were undertaken in phenotyped and genotyped CMT1A patients. Participants underwent detailed clinical assessment, tremor study recordings, and nerve conduction studies. Tremor stability index was calculated for upper limb tremor and compared to essential tremor. RESULTS Seventeen patients were enrolled. Postural and kinetic upper limb tremors were evident in 65%, while postural and orthostatic lower limb tremors were seen in 35% of CMT1A patients. Peak upper limb frequencies were lower distally (~ 6 Hz) and higher proximally (~ 9 Hz), were unchanged by weight-loading, and not impacted by fatigue. The tremor stability index was significantly higher in CMT1A than in essential tremor. A 5-6 Hz lower limb tremor was recorded which did not vary along the limb and was unaffected by fatigue. Balance was impaired in patients with postural lower limb tremor. A high frequency peak on posturography was associated with 'good' balance. CONCLUSIONS Tremor is a common clinical feature in CMT1A, distinct from essential tremor, mediated by a complex interaction between peripheral and central mechanisms. Postural lower limb tremor is associated with imbalance; strategies aimed at tremor modulation could be of therapeutic utility.
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Affiliation(s)
- Matthew Silsby
- Neurology Department, Westmead Hospital, Westmead Clinical School, University of Sydney, Sydney, NSW, Australia
- Brain and Nerve Research Centre, University of Sydney, Concord, NSW, Australia
- Neurology Department, Concord Hospital, Sydney, NSW, Australia
| | - Con Yiannikas
- Neurology Department, Concord Hospital, Sydney, NSW, Australia
- Neurology Department, Royal North Shore Hospital, Sydney, NSW, Australia
| | - Alessandro F Fois
- Neurology Department, Westmead Hospital, Westmead Clinical School, University of Sydney, Sydney, NSW, Australia
| | - Marina L Kennerson
- Northcott Neuroscience Laboratory, ANZAC Research Institute, University of Sydney, Sydney, NSW, Australia
- Molecular Medicine Laboratory, Concord Hospital, Concord, NSW, Australia
| | - Matthew C Kiernan
- Neurology Department, Royal Prince Alfred Hospital Sydney, Sydney, NSW, Australia
- Brain and Mind Centre, University of Sydney, Camperdown, NSW, Australia
| | - Victor S C Fung
- Neurology Department, Westmead Hospital, Westmead Clinical School, University of Sydney, Sydney, NSW, Australia
| | - Steve Vucic
- Brain and Nerve Research Centre, University of Sydney, Concord, NSW, Australia.
- Neurology Department, Concord Hospital, Sydney, NSW, Australia.
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Silsby M, Yiannikas C, Fois AF, Ng K, Kiernan MC, Fung VSC, Vucic S. Imbalance and lower limb tremor in chronic inflammatory demyelinating polyradiculoneuropathy. J Peripher Nerv Syst 2023; 28:415-424. [PMID: 37314215 DOI: 10.1111/jns.12574] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/08/2023] [Accepted: 06/11/2023] [Indexed: 06/15/2023]
Abstract
BACKGROUND AND AIMS Imbalance is a prominent symptom of chronic inflammatory demyelinating polyradiculoneuropathy (CIDP). Although upper limb tremor in CIDP is described, lower limb tremor has not been assessed. The aim of this study was to determine whether lower limb tremor was present in CIDP and assess potential relationships with imbalance. METHODS This was a cross-sectional observational study of prospectively recruited consecutive patients with typical CIDP (N = 25). Clinical phenotyping, lower limb nerve conduction and tremor studies, and posturography analyses were performed. The Berg Balance Scale (BBS) divided CIDP patients into those with "good" and "poor" balance. RESULTS Lower limb tremor was evident in 32% of CIDP patients and associated with poor balance (BBSTremor 35 [23-46], BBSNo Tremor 52 [44-55], p = .035). Tremor frequency was 10.2-12.5 Hz with legs outstretched and on standing, apart from four patients with a lower frequency tremor (3.8-4.6 Hz) while standing. Posturography analysis revealed a high-frequency spectral peak in the vertical axis in 44% of CIDP patients (16.0 ± 0.4 Hz). This was more likely in those with "good" balance (40% vs. 4%, p = .013). INTERPRETATION Lower limb tremor is present in one third of CIDP patients and is associated with poor balance. A high-frequency peak on posturography is associated with better balance in CIDP. Lower limb tremor and posturography assessments could serve as important biomarkers of balance in a clinical setting.
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Affiliation(s)
- Matthew Silsby
- Neurology Department, Westmead Hospital Sydney & Sydney Medical School, University of Sydney, Sydney, NSW, Australia
- Brain and Nerve Research Centre, Concord Hospital, University of Sydney, Sydney, Australia
- Neurology Department, Concord Hospital Sydney, Sydney, Australia
| | - Con Yiannikas
- Neurology Department, Concord Hospital Sydney, Sydney, Australia
- Neurology Department, Royal North Shore Hospital Sydney & Sydney Medical School, University of Sydney, Sydney, Australia
| | - Alessandro F Fois
- Neurology Department, Westmead Hospital Sydney & Sydney Medical School, University of Sydney, Sydney, NSW, Australia
| | - Karl Ng
- Neurology Department, Royal North Shore Hospital Sydney & Sydney Medical School, University of Sydney, Sydney, Australia
| | - Matthew C Kiernan
- Brain and Mind Centre, University of Sydney & Neurology Department, Royal Prince Alfred Hospital, Sydney, Australia
| | - Victor S C Fung
- Neurology Department, Westmead Hospital Sydney & Sydney Medical School, University of Sydney, Sydney, NSW, Australia
| | - Steve Vucic
- Brain and Nerve Research Centre, Concord Hospital, University of Sydney, Sydney, Australia
- Neurology Department, Concord Hospital Sydney, Sydney, Australia
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