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Smith KJ, Datta A, Burkhart C, Clark TK. Efficacy of Galvanic Vestibular Stimulation as a Display Modality Dissociated from Self-Orientation. HUMAN FACTORS 2024; 66:862-871. [PMID: 35971664 DOI: 10.1177/00187208221119879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
OBJECTIVE We propose and assess galvanic vestibular stimulation (GVS) as a novel means to provide information dissociated from self-orientation. BACKGROUND In modern user interfaces, visual and auditory modalities dominate information transfer so much that these "processing channels" become overloaded with information. Fortunately, the brain is capable of processing separate sensory sources in parallel enabling alternative display modalities to inform operators more effectively and without increasing cognitive strain. To date, the vestibular system, normally responsible for sensing self-orientation and helping with balance, has not been considered as a display modality. METHOD Bilateral GVS was provided at 0.6 mA for 1-second intervals with moderately high-frequency sinusoidal waveforms, designed to not elicit sensations of self-motion. We assessed subjects' ability to differentiate between two cues of different frequencies. RESULTS We found subjects were able to reliably distinguish between cues with an average just-noticeable difference threshold of only ±12 Hz (range across subjects: 5.4-19.6 Hz) relative to a pedestal cue of 50 Hz. Further, we found the GVS sensory modality to be robust to various environments: walking, standing, sitting, passive motion, and loud background noise. Finally, the application of the GVS cues did not have significant destabilizing effects when standing or walking. CONCLUSION These results show that GVS may be an effective alternative display modality, using varying frequency to encode information. It is robust to various operational environments and non-destabilizing. APPLICATION A fully functional display can convey information to operators of vehicles and other machinery as well as high-performance operators like astronauts and soldiers.
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Bertrand-Charette M, Perron MP, da Silva RA, Beaulieu LD. Vibration-induced postural reactions: a scoping review on parameters and populations studied. Front Hum Neurosci 2024; 17:1307639. [PMID: 38234593 PMCID: PMC10791994 DOI: 10.3389/fnhum.2023.1307639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 12/04/2023] [Indexed: 01/19/2024] Open
Abstract
Objective Mechanical vibration is an effective way for externally activating Ia primary endings of the muscle spindles and skin mechanoreceptors. Despite its popularity in proprioception and postural control studies, there is still no review covering the wide variety of vibration parameters or locations used in studies. The main purpose of this scoping review was thus to give an overview of general vibration parameters and to identify, if available, the rationale for justifying methodological choices concerning vibration parameters. Methods Three databases (Pubmed, CINHAL, and SPORTDiscus) were searched from inception to July 2022. Included articles were to focus on the study of muscle spindles and skin mechanoreceptors vibration in humans and assess postural control. Following inclusion, data regarding demographic information, populations, vibration parameters and rationale were extracted and summarized. Results One hundred forty-seven articles were included, mostly targeting lower extremities (n = 137) and adults (n = 126). The parameters used varied widely but were most often around 80 Hz, at an amplitude of 1 mm for 10-20 s. Regarding rationales, nearly 50% of the studies did not include any, whereas those including one mainly cited the same two studies, without elaborating specifically on the parameter's choice. Conclusion This scoping review provided a comprehensive description of the population recruited and parameters used for vibration protocols in current studies with humans. Despite many studies, there remain important gaps of knowledge that needs to be filled, especially for vibration amplitude and duration parameters in various populations.
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Affiliation(s)
- Michaël Bertrand-Charette
- BioNR Research Lab, Université du Québec à Chicoutimi, Saguenay, QC, Canada
- Département des Sciences de la Santé, Centre intersectoriel en santé durable, Université du Québec à Chicoutimi (UQAC), Saguenay, QC, Canada
| | - Marie-Pier Perron
- BioNR Research Lab, Université du Québec à Chicoutimi, Saguenay, QC, Canada
- Département des Sciences de la Santé, Centre intersectoriel en santé durable, Université du Québec à Chicoutimi (UQAC), Saguenay, QC, Canada
| | - Rubens A. da Silva
- BioNR Research Lab, Université du Québec à Chicoutimi, Saguenay, QC, Canada
- Département des Sciences de la Santé, Centre intersectoriel en santé durable, Université du Québec à Chicoutimi (UQAC), Saguenay, QC, Canada
- Centre Intégré de Santé et Services Sociaux du Saguenay—Lac-Saint-Jean (CIUSSS SLSJ), Specialized Geriatrics Services–La Baie Hospital, Saguenay, QC, Canada
| | - Louis-David Beaulieu
- BioNR Research Lab, Université du Québec à Chicoutimi, Saguenay, QC, Canada
- Département des Sciences de la Santé, Centre intersectoriel en santé durable, Université du Québec à Chicoutimi (UQAC), Saguenay, QC, Canada
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Filben TM, Tomblin BT, Pritchard NS, Bullock GS, Hemmen JM, Neri KE, Krug V, Miles CM, Stitzel JD, Urban JE. Assessing the association between on-field heading technique and head impact kinematics in a cohort of female youth soccer players. SCI MED FOOTBALL 2023:1-10. [PMID: 37753837 DOI: 10.1080/24733938.2023.2264272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 09/19/2023] [Indexed: 09/28/2023]
Abstract
There is concern that exposure to soccer headers may be associated with neurological sequelae. Training proper heading technique represents a coachable intervention that may reduce head acceleration exposure. The objective was to assess relationships between heading technique and head kinematics in female youth soccer players. Fourteen players (mean age = 14.4 years) wore instrumented mouthpieces during practices and games. Headers were reviewed by three raters to assign a technique score. Mixed models and LASSO regression evaluated associations of technique with peak linear acceleration (PLA), rotational acceleration (PRA), rotational velocity (PRV), and head impact power ratio (HIP Ratio) while adjusting for session type and ball delivery. Two hundred eighty-nine headers (n = 212 standing, n = 77 jumping) were analyzed. Technique score (p = 0.043) and the technique score - session type interaction (p = 0.004) were associated with PRA of standing headers, whereby each 10-unit increase in technique score was associated with an 8.6% decrease in PRA during games but a 5.1% increase in PRA during practices. Technique was not significantly associated with any other kinematic metrics; however, peak kinematics tended to decrease as technique score increased. LASSO regression identified back extension and shoulder/hip alignment as important predictors of peak kinematics. Additional research on heading technique and head acceleration is recommended.
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Affiliation(s)
- Tanner M Filben
- Department of Biomedical Engineering, Wake Forest University School of Medicine, Winston-Salem, NC, USA
- School of Biomedical Engineering and Sciences, Virginia Tech - Wake Forest University, Winston-Salem, NC, USA
| | - Brian T Tomblin
- Department of Biomedical Engineering, Wake Forest University School of Medicine, Winston-Salem, NC, USA
- School of Biomedical Engineering and Sciences, Virginia Tech - Wake Forest University, Winston-Salem, NC, USA
| | - N Stewart Pritchard
- Department of Biomedical Engineering, Wake Forest University School of Medicine, Winston-Salem, NC, USA
- School of Biomedical Engineering and Sciences, Virginia Tech - Wake Forest University, Winston-Salem, NC, USA
| | - Garrett S Bullock
- Department of Orthopaedic Surgery & Rehabilitation, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Jordan M Hemmen
- Department of Biomedical Engineering, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Kristina E Neri
- Department of Biomedical Engineering, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Victoria Krug
- Department of Biomedical Engineering, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Christopher M Miles
- Department of Biomedical Engineering, Wake Forest University School of Medicine, Winston-Salem, NC, USA
- Department of Family and Community Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Joel D Stitzel
- Department of Biomedical Engineering, Wake Forest University School of Medicine, Winston-Salem, NC, USA
- School of Biomedical Engineering and Sciences, Virginia Tech - Wake Forest University, Winston-Salem, NC, USA
| | - Jillian E Urban
- Department of Biomedical Engineering, Wake Forest University School of Medicine, Winston-Salem, NC, USA
- School of Biomedical Engineering and Sciences, Virginia Tech - Wake Forest University, Winston-Salem, NC, USA
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Caccese JB, Bryk KN, Porfido T, Bretzin AC, Peek K, Kaminski TW, Kontos AP, Chrisman SPD, Putukian M, Buckley TA, Broglio SP, McAllister TW, McCrea MA, Pasquina PF, Esopenko C. Cognitive and Behavioral Outcomes in Male and Female NCAA Soccer Athletes across Multiple Years: A CARE Consortium Study. Med Sci Sports Exerc 2023; 55:409-417. [PMID: 36288576 DOI: 10.1249/mss.0000000000003063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
PURPOSE The purpose of this study was to determine changes in neurocognitive, psychosocial, and balance functioning in collegiate male and female soccer players across three consecutive years of baseline testing compared with a control group of noncontact athletes. METHODS Generalized estimating equations were used to compare changes in annual, preseason baseline measures of neurocognitive function, neurobehavioral and psychological symptoms, and postural stability between collegiate soccer players ( n = 75; 51 [68%] female soccer players) and noncontact athletes ( n = 210; 133 [63%] female noncontact athletes) across three consecutive years. RESULTS Among all participants, the group-time interaction was not significant for any outcome measures. Overall, soccer players reported lower (better) Brief Symptom Inventory 18 Depression ( P = 0.004, Exp(B) = 0.36, 95% confidence interval [CI] = 0.18-0.73), Global Severity Index ( P = 0.006, Exp(B) = 0.53, 95% CI = 0.33-0.84), and Post-Concussion Symptom Scale Symptom Severity ( P < 0.001, Exp(B) = 0.45, 95% CI = 0.22-0.95) scores than noncontact athletes. No other outcome measures were different between soccer players and noncontact athletes. CONCLUSIONS Among collegiate athletes, soccer players report similar or better psychosocial functioning and symptom scores than noncontact athletes. Importantly, neurocognitive functioning, neurobehavioral and psychological symptoms, and postural stability do not worsen over time in collegiate soccer players relative to their noncontact counterparts. Our findings suggest that despite possible exposure to repetitive head impacts, collegiate soccer players do not exhibit changes in observable function and symptoms across multiple seasons.
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Affiliation(s)
| | - Kelsey N Bryk
- Interdisciplinary Biomechanics and Movement Science Program and Department of Kinesiology and Applied Physiology, University of Delaware, Newark, DE
| | - Tara Porfido
- Department of Rehabilitation and Movement Sciences, Rutgers Biomedical and Health Sciences, Newark, NJ
| | - Abigail C Bretzin
- Penn Injury Science Center, Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania, Philadelphia, PA
| | - Kerry Peek
- Discipline of Physiotherapy, Sydney School of Health Sciences, The University of Sydney, Sydney, AUSTRALIA
| | - Thomas W Kaminski
- Interdisciplinary Biomechanics and Movement Science Program and Department of Kinesiology and Applied Physiology, University of Delaware, Newark, DE
| | - Anthony P Kontos
- Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA
| | - Sara P D Chrisman
- Center for Child Health, Behavior and Development, Seattle Children's Hospital, Seattle, WA
| | - Margot Putukian
- Major League Soccer, New York, NY (previously Princeton University, Princeton, NJ)
| | - Thomas A Buckley
- Interdisciplinary Biomechanics and Movement Science Program and Department of Kinesiology and Applied Physiology, University of Delaware, Newark, DE
| | - Steven P Broglio
- Michigan Concussion Center, University of Michigan, Ann Arbor, MI
| | | | - Michael A McCrea
- Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, WI
| | - Paul F Pasquina
- Uniformed Services University of the Health Science and Walter Reed National Military Medical Center, Bethesda, MD
| | - Carrie Esopenko
- Department of Rehabilitation and Human Performance, Icahn School of Medicine at Mount Sinai, New York, NY
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Filben TM, Pritchard NS, Miller LE, Miles CM, Urban JE, Stitzel JD. Header biomechanics in youth and collegiate female soccer. J Biomech 2021; 128:110782. [PMID: 34656012 DOI: 10.1016/j.jbiomech.2021.110782] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 09/24/2021] [Accepted: 09/27/2021] [Indexed: 11/17/2022]
Abstract
Concerns about the effects of intentional heading in soccer have led to regulatory restrictions on headers for youth players. However, there is limited data describing how header exposure varies across age levels, and few studies have attempted to compare head impact exposure across different levels of play with the same sensor. Additionally, little is known about the biomechanical response of the brain to header impacts. The objective of this study was to evaluate head kinematics and the resulting tissue-level brain strain associated with intentional headers among youth and collegiate female soccer players. Six youth and 13 collegiate participants were instrumented with custom mouthpiece-based sensors measuring six-degree-of-freedom head kinematics of headers during practices and games. Kinematics of film-verified headers were used to drive impact simulations with a detailed brain finite element model to estimate tissue-level strain. Linear and rotational head kinematics and strain metrics, specifically 95th percentile maximum principal strain (ε1,95) and the area under the cumulative strain damage measure curve (VSM1), were compared across levels of play (i.e., youth vs. collegiate) while adjusting for session type and ball delivery method. A total of 483 headers (n = 227 youth, n = 256 collegiate) were analyzed. Level of play was significantly associated with linear acceleration, rotational acceleration, rotational velocity, ε1,95, and VSM1. Headers performed by collegiate players had significantly greater mean head kinematics and strain metrics compared to those performed by youth players (all p < .001). Targeted interventions aiming to reduce head impact magnitude in soccer should consider factors associated with the level of play.
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Affiliation(s)
- Tanner M Filben
- Department of Biomedical Engineering, Wake Forest School of Medicine, Winston-Salem, NC, USA; School of Biomedical Engineering and Sciences, Virginia Tech - Wake Forest University, Winston-Salem, NC, USA
| | - N Stewart Pritchard
- Department of Biomedical Engineering, Wake Forest School of Medicine, Winston-Salem, NC, USA; School of Biomedical Engineering and Sciences, Virginia Tech - Wake Forest University, Winston-Salem, NC, USA.
| | - Logan E Miller
- Department of Biomedical Engineering, Wake Forest School of Medicine, Winston-Salem, NC, USA; School of Biomedical Engineering and Sciences, Virginia Tech - Wake Forest University, Winston-Salem, NC, USA
| | - Christopher M Miles
- Department of Biomedical Engineering, Wake Forest School of Medicine, Winston-Salem, NC, USA; Department of Family and Community Medicine, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Jillian E Urban
- Department of Biomedical Engineering, Wake Forest School of Medicine, Winston-Salem, NC, USA; School of Biomedical Engineering and Sciences, Virginia Tech - Wake Forest University, Winston-Salem, NC, USA
| | - Joel D Stitzel
- Department of Biomedical Engineering, Wake Forest School of Medicine, Winston-Salem, NC, USA; School of Biomedical Engineering and Sciences, Virginia Tech - Wake Forest University, Winston-Salem, NC, USA
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Potential Mechanisms of Acute Standing Balance Deficits After Concussions and Subconcussive Head Impacts: A Review. Ann Biomed Eng 2021; 49:2693-2715. [PMID: 34258718 DOI: 10.1007/s10439-021-02831-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 06/29/2021] [Indexed: 01/04/2023]
Abstract
Standing balance deficits are prevalent after concussions and have also been reported after subconcussive head impacts. However, the mechanisms underlying such deficits are not fully understood. The objective of this review is to consolidate evidence linking head impact biomechanics to standing balance deficits. Mechanical energy transferred to the head during impacts may deform neural and sensory components involved in the control of standing balance. From our review of acute balance-related changes, concussions frequently resulted in increased magnitude but reduced complexity of postural sway, while subconcussive studies showed inconsistent outcomes. Although vestibular and visual symptoms are common, potential injury to these sensors and their neural pathways are often neglected in biomechanics analyses. While current evidence implies a link between tissue deformations in deep brain regions including the brainstem and common post-concussion balance-related deficits, this link has not been adequately investigated. Key limitations in current studies include inadequate balance sampling duration, varying test time points, and lack of head impact biomechanics measurements. Future investigations should also employ targeted quantitative methods to probe the sensorimotor and neural components underlying balance control. A deeper understanding of the specific injury mechanisms will inform diagnosis and management of balance deficits after concussions and subconcussive head impact exposure.
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Banman CJ, Schneider KJ, Cluff T, Peters RM. Altered Vestibular Balance Function in Combat Sport Athletes. J Neurotrauma 2021; 38:2291-2300. [PMID: 33752455 DOI: 10.1089/neu.2020.7432] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Combat sports pose a risk for accumulative injuries to the nervous system, yet fighters have remained an understudied population. Here, our purpose was to determine whether repetitive blows to the head have an effect on vestibular balance reflexes in combat sports athletes. We compared lower-limb muscle responses evoked with electrical vestibular stimuluation (EVS) between fighters (boxing/muay thai) and non-fighter controls. Each participant received stochastic vestibular stimulation (0-25 Hz, ±3 mA) over their mastoid processes while they stood relaxed with their head to the left or right. Surface electromyography was recorded from the medial gastrocnemius and soleus muscles bilaterally. Short and medium latency response (SLR/MLR) peaks were significantly delayed in the fighter group compared to controls. SLR and MLR peak amplitudes were also significantly lower in fighters. Fighter-estimated cumulative repetitive head impact (RHI) events demonstrated strong positive correlations with the timing of SLR and MLR peaks. Cumulative RHI events also negatively correlated with peak MLR amplitude and response gain at frequencies above 5 Hz. Our results provide evidence of a progressive vestibular impairment in combat sports athletes, potentially resulting from blows to the head accumulated in sparring practice and competitive bouts throughout their careers. Taken together, EVS-based vestibular assessments may provide a valuable clinical diagnostic tool and help better inform "return-to-play" and career-length decisions for not only combat sports athletes, but potentially other populations at risk of RHIs.
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Affiliation(s)
- Christopher J Banman
- Faculty of Kinesiology, Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada
| | - Kathryn J Schneider
- Faculty of Kinesiology, Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada
- Hotchkiss Brain Institute, Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada
- Sport Injury Prevention Research Centre, Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada
- Alberta Children's Hospital Research Institute for Child and Maternal Health, Cumming School of Medicine, Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada
- Sport Medicine Centre, Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada
- Evidence Sport and Spinal Therapy, Calgary, Alberta, Canada
| | - Tyler Cluff
- Faculty of Kinesiology, Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada
- Hotchkiss Brain Institute, Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada
| | - Ryan M Peters
- Faculty of Kinesiology, Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada
- Hotchkiss Brain Institute, Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada
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Caccese JB, Santos FV, Yamaguchi FK, Buckley TA, Jeka JJ. Persistent Visual and Vestibular Impairments for Postural Control Following Concussion: A Cross-Sectional Study in University Students. Sports Med 2021; 51:2209-2220. [PMID: 33881749 DOI: 10.1007/s40279-021-01472-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/08/2021] [Indexed: 10/21/2022]
Abstract
OBJECTIVE To examine how concussion may impair sensory processing for control of upright stance. METHODS Participants were recruited from a single university into 3 groups: 13 participants (8 women, 21 ± 3 years) between 2 weeks and 6 months post-injury who initiated a return-to-play progression (under physician management) by the time of testing (recent concussion group), 12 participants (7 women, 21 ± 1 years) with a history of concussion (concussion history group, > 1 year post-injury), and 26 participants (8 women, 22 ± 3 years) with no concussion history (control group). We assessed sensory reweighting by simultaneously perturbing participants' visual, vestibular, and proprioceptive systems and computed center of mass gain relative to each modality. The visual stimulus was a sinusoidal translation of the visual scene at 0.2 Hz, the vestibular stimulus was ± 1 mA binaural monopolar galvanic vestibular stimulation (GVS) at 0.36 Hz, the proprioceptive stimulus was Achilles' tendon vibration at 0.28 Hz. RESULTS The recent concussion (95% confidence interval 0.078-0.115, p = 0.001) and the concussion history (95% confidence interval 0.056-0.094, p = 0.038) groups had higher gains to the vestibular stimulus than the control group (95% confidence interval 0.040-0.066). The recent concussion (95% confidence interval 0.795-1.159, p = 0.002) and the concussion history (95% confidence interval 0.633-1.012, p = 0.018) groups had higher gains to the visual stimulus than the control group (95% confidence interval 0.494-0.752). There were no group differences in gains to the proprioceptive stimulus or in sensory reweighting. CONCLUSION Following concussion, participants responded more strongly to visual and vestibular stimuli during upright stance, suggesting they may have abnormal dependence on visual and vestibular feedback. These findings may indicate an area for targeted rehabilitation interventions.
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Affiliation(s)
- Jaclyn B Caccese
- School of Health and Rehabilitation Sciences, The Ohio State University College of Medicine, 453 W. 10th Avenue, Columbus, OH, 43210, USA.
| | | | - Felipe K Yamaguchi
- Department of Kinesiology & Applied Physiology and Interdisciplinary Biomechanics and Movement Science Program, University of Delaware, Newark, DE, 19713, USA
| | - Thomas A Buckley
- Department of Kinesiology & Applied Physiology and Interdisciplinary Biomechanics and Movement Science Program, University of Delaware, Newark, DE, 19713, USA
| | - John J Jeka
- Department of Kinesiology & Applied Physiology and Interdisciplinary Biomechanics and Movement Science Program, University of Delaware, Newark, DE, 19713, USA
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