Medicine and Health Sciences Commons^™

Neural And Muscular Contributions To The Age-Related Differences In Peak Power Of The Knee Extensors In Men And Women, David J. Wrucke, Andrew Kuplic, Mitchell D. Adam, Sandra K. Hunter, Christopher W. Sundberg

Physical Therapy Faculty Research and Publications

The mechanisms for the loss in limb muscle power output in old (60–79 yr) and very old (≥80 yr) adults and whether the mechanisms differ between men and women are not well understood. We compared maximal peak power of the knee extensor muscles between young, old, and very old men and women and identified the neural and muscular factors contributing to the age-related differences in power. Thirty-one young (22.9 ± 3.0 yr, 15 women), 82 old (70.3 ± 4.9 yr, 38 women), and 16 very old adults (85.8 ± 4.2 yr, 9 women) performed maximal isokinetic contractions at 14 different …

Fully Digital Workflow From Bone Augmentation To Implant-Supported Prosthetic Reconstruction, Ufuk Tatli, Koray Soygun, Orcan Yuksel

School of Dentistry Faculty Research and Publications

No abstract provided.

A Scoping Review Of Patient Safety Checklists In Dentistry, K. Zouaidi, T. W. Miner, M. F. Walji, E. Kalenderian, D. B. Rindal, K. J. Suda

School of Dentistry Faculty Research and Publications

Objectives

Not much is known about safety checklists use in dentistry. We aim to examine, assess, and provide a comprehensive understanding of the current knowledge concerning the use of checklists to improve patient safety in dentistry.

Methods

We conducted a comprehensive literature search using Medline and Embase for studies that use or describe the development of dental patient safety checklists. All study designs were included for citations published through December 2023.

Results

Following abstract and full-text screening, 27 studies remained for data extraction and analysis. Oral surgery emerged as the main dental specialty where the utilization and evaluation of checklists …

Are Sleeves Necessary In Static Computer-Assisted Implant Surgery? A Comparative In Vitro Analysis, Jenna Hang, Arndt Guentsch

School of Dentistry Faculty Research and Publications

Objectives

This study aims to examine differences in trueness and precision between surgical guides with (S) and without sleeves (SL). A secondary aim was to assess the impact of the sleeve-to-bone distance.

Materials and Methods

Mandible replicas (n = 120) were printed from an STL file obtained from a clinical CBCT. The mandibles were divided into sleeved (S, n = 60) and sleeveless (SL, n = 60) groups, each further divided into three categories (n = 20 each) with different heights from the guide to the implant platform: 2 mm (H2), 4 mm (H4), or 6 mm (H6). …

Dr. Audrey Holland's Crazy Patchwork Quilt: A Thematic Analysis, Jessica D. Richardson, Sarah Grace Hudspeth Dalton, Honey Isabel Hubbard, Maya Henry

Speech Pathology and Audiology Faculty Research and Publications

Dr. Audrey Holland was a friend to people with aphasia and related disorders, care partners, community advocates, students, clinicians, educators, researchers, and more. Her profound impact extended across these diverse communities within aphasiology and speech-language pathology. Through her words and deeds, Audrey established a rich legacy that continues to guide and inspire countless individuals. A careful examination of her contributions reveals a roadmap for those seeking to embark on a similar journey of compassion and influence. To pay tribute to our mentor and friend, we conducted a thematic analysis of her solo works to identify enduring themes, laugh-out-loud anecdotes, and …

Examining Relationships Among Nursing Students’ Views Of Suffering, Positive Thinking, And Professional Quality Of Life, Ruth A. Engbers, Abir K. Bekhet, Teresa Jerofke-Owen, Norah L. Johnson, Maharaj Singh

College of Nursing Faculty Research and Publications

Background:

Exposure to suffering can lead to compassion fatigue in undergraduate nursing students.

Objective:

Guided by resilience theory, a cross-sectional, correlational design was used to investigate the potential moderating effect of positive thinking skills on the relationships between views of suffering, compassion fatigue, and compassion satisfaction.

Results:

In 157 undergraduate nursing students, multiple regressions revealed that views of suffering and positive thinking explained 23.8% of the variance in compassion satisfaction (F11,145 = 4.121, P <  .001), and 21.9% of the variance in burnout (F11,144 = 3.786, P <  .001). The Suffering God view, which stresses the presence of a compassionate deity amid suffering, and positive thinking had significant main effects on compassion satisfaction (β = 0.349, P = .025; and β = 0.309, P <  .001, respectively). Positive thinking, the Suffering God view, and the Random view, in which the occurrence of suffering is random and purposeless, had significant main effects on burnout (β = −0.280, P <  .001; β = −0.392, P = .014; and β = −0.206, P = .014, …

Using Screen-Based Simulation In Family Nurse Practitioner Education, Angela M. Mcnelis, Kristina Thomas Dreifuerst, Sarah L. Beebe, Majeda El-Banna, Mary S. Dietrich

College of Nursing Faculty Research and Publications

Background

Innovations in nursing education are crucial for developing new learning approaches to ensure quality preparation and an adequate number of nurse practitioners (NPs). This necessity prompts exploration and implementation of alternative clinical educational approaches, such as screen-based simulation (SBS), to address challenges posed by limited clinical sites and preceptors.

Purpose

The study aim was to compare the effectiveness of SBS with that of traditional precepted clinical experiences in students’ attainment of mastery of knowledge in the domains of assessment, diagnosis, treatment, and evaluation across the pediatric, adolescent, adult, and geriatric populations.

Methods

A quasi-experimental, pretest/posttest design was employed. Family …

Reimagining Supportive Approaches At The Intersection Of Mandatory Reporting Policies For The Mother–Infant Dyad Affected By Substance Use, Kelly Mcglothen-Bell, Diana Cartagena, Kathryn J. Malin, Dorothy Vittner, Jacqueline M. Mcgrath, Rebecca Koerner, Ashlee J. Vance, Allison Crawford

College of Nursing Faculty Research and Publications

Background: As rates of substance use during pregnancy persist, the health and optimal development of infants with prenatal substance exposure remain a key priority. Nurses are tasked with identifying and reporting suspected cases of child maltreatment, including abuse and neglect, which is often assumed to be synonymous with substance use during pregnancy. While policies aimed at protecting infants from child abuse and neglect are well intentioned, literature regarding the short- and long-term social and legal implications of mandatory reporting policies is emerging.

Purpose: In this article, we explore the intersections between the condition of substance use in pregnancy and policies …

Impact Of Social Risk Screening On Discharge Care Processes And Postdischarge Outcomes A Pragmatic Mixed-Methods Clinical Trial During The Covid-19 Pandemic, Andrea S. Wallace, Alycia A. Bristol, Erin Phinney Johnson, Catherine E. Elmore, Sonja E. Raaum, Angela Presson, Kaleb Eppich, Mackenzie Elliott, Sumin Park, Benjamin S. Brooke, Marianne E. Weiss

College of Nursing Faculty Research and Publications

Background: 

Social risk screening during inpatient care is required in new CMS regulations, yet its impact on inpatient care and patient outcomes is unknown.

Objectives: 

To evaluate whether implementing a social risk screening protocol improves discharge processes, patient-reported outcomes, and 30-day service use.

Research Design: 

Pragmatic mixed-methods clinical trial.

Subjects: 

Overall, 4130 patient discharges (2383 preimplementation and 1747 postimplementation) from general medicine and surgical services at a 528-bed academic medical center in the Intermountain United States and 15 attending physicians.

Measures: 

Documented family interaction, late discharge, patient-reported readiness for hospital discharge and postdischarge coping difficulties, readmission and emergency department visits …

The Nature Of Adverse Events In Dentistry, Bunmi Tokede, Alfa Yansane, Muhammad F. Walji, D. B. Rindal, Don Worley, Joel White, Elsbeth Kalenderian

School of Dentistry Faculty Research and Publications

Objectives

Learning from clinical data on the subject of safety with regards to patient care in dentistry is still largely in its infancy. Current evidence does not provide epidemiological estimates on adverse events (AEs) associated with dental care. The goal of the dental practice study was to quantify and describe the nature and severity of harm experienced in association with dental care, and to assess for disparities in the prevalence of AEs.

Methods

Through a multistaged sampling procedure, we conducted in-depth retrospective review of patients’ dental and medical records.

Results

We discovered an AE proportion of 1.4% (95% CI, 1.1% …

Student Voice: Perceptions Of Sense Of Belonging And Involvement Among Underrepresented Prelicensure Nursing Students, Maria Peña

Dissertations (1934 -)

ABSTRACT STUDENT VOICE: PERCEPTIONS OF SENSE OF BELONGING AND INVOLVEMENT AMONG MINORITIZED PRELICENSURE NURSING STUDENTS Maria Y. Peña, MSN, RN, CNE Marquette University Efforts like holistic review admissions by nursing programs to create a more ethnically diverse student body have led to increased enrollment of students with underrepresented ethnic and cultural social identities. However, these students continue to experience higher attrition rates compared to their White, middle-class peers. Although both sense of belonging and student involvement are positively correlated with academic success, limited research explores these constructs together from the perceptions of students with underrepresented ethnic and cultural social identities …

Performance Of Artificial Neural Network Compared To Multi-Linear Regression In Prediction Of Countermovement Jump Height, Amirhossein Emamian, Alireza Hashemi Oskouei, Kristof Kipp, Rasoul Azreh

Exercise Science Faculty Research and Publications

Previous research has used primarily linear regression models to predict jump height and establish contributors of performance. The purpose of this study was to compare the performance of artificial neural network (ANN) and multi-linear regression (MLR) in prediction of countermovement jump (CMJ) height and investigating the contribution of kinematic variables to CMJ performance. Thirty-four healthy young male athletes performed a total of 204 CMJ while eight kinematic variables (the hip, knee, and ankle angles at the begging of the concentric phase of CMJ, the hip and knee take-off angles, and the shoulder, hip, and knee maximum angular velocities) were used …

Point Of Care Ultrasounds Obtained By Novice Physician Assistant Residents (Pocus On Par), Kristine L. Jeffers, Jared Cohen, Eric Chin, Nicholas Thompson, Seshidar Tekmal, Robyn Lombardo, Jessica Barlow, Amie Billstrom, James Aden, Melissa Myers

Physician Assistant Studies Faculty Research and Publications

Introduction

The integration of Point of Care Ultrasound (POCUS) into the care of trauma patients, specifically the E-FAST, has improved the accuracy of initial diagnoses and improved time to surgical intervention in critically ill patients. Physician assistants (PAs) are critically important members of any military trauma resuscitation team and are often team leaders in a pre-hospital setting. They may receive training in ultrasound but there are little data to support their use or evaluate their effectiveness in using POCUS. We designed a study to evaluate the image quality of an E-FAST Exam performed by Emergency Medicine Physician Assistant (EMPA) Fellows …

Clear Masks Do Not Prevent Gains During Dynamic Temporal And Tactile Cueing Treatment: An Explanatory Sequential Mixed Methods Pilot Study, Jenya Iuzzini-Seigel, Elizabeth Murray, Shelley L. Velleman, Geraldine Bricker-Katz, Donna Thomas

Speech Pathology and Audiology Faculty Research and Publications

Purpose:

This study aimed to determine the outcomes and impact of Dynamic Temporal and Tactile Cueing (DTTC) treatment when clear vinyl masks were worn. DTTC is one of the few evidence-based treatments for children with childhood apraxia of speech (CAS). Given that DTTC relies on visual, auditory, and tactile cues, it was unknown if treatment gains would be demonstrated when masks were worn and how masking would impact the therapy experience for clinicians and caregivers.

Method:

A sequential mixed methods design was used to study the efficacy of DTTC treatment in children with CAS when clear masks were worn. The …

Lessons Learned From Ventilated And Proned Patients With Covid-19: A Multisite Retrospective Study To Identify Predictive Factors For Facial Pressure Injuries, Jeanne Hlebichuk, Elissa Buck, Angeline L. Brooker, Julie K. Mackenzie, Maharaj Singh

College of Nursing Faculty Research and Publications

Background

Many patients critically ill with COVID-19 develop acute respiratory distress syndrome (ARDS) necessitating mechanical ventilation and proning. Although proning is lifesaving, it has been linked to the occurrence of facial pressure injuries (PIs).

Objectives

To evaluate the incidence and use of prevention strategies and identify predictors of facial PIs in patients who received ventilator and proning treatments in COVID-designated intensive care units at 2 large quaternary medical centers in the Midwest.

Method

This was a retrospective cohort study using data extracted from an electronic health record between October 2020 and February 2022. Demographics, clinical and care variables, and PI …

Change In Expectations: A Policy Recommendation For Future And Current Nurse Educators, Kylateia Farrar-Stern, Amber Young-Brice

College of Nursing Faculty Research and Publications

Currently, there are no standardized requirements for pedagogical preparation for nurse educators at the state and national level. Various stakeholders have identified an issue in the preparation of nurse educators in academia. Current recommendations are that faculty have a master's or doctoral degree in nursing (American Association of Colleges of Nursing, 2017); however, requirements do not include educational preparation prior to or concurrent with starting a faculty position. This policy paper highlights a recommendation to require one of the following: the Certified Nurse Educator credential or certificate in teaching for educators without prior formal education in pedagogy. Outcomes of such …

Identifying Primary Proximal Caries Lesions In Pediatric Patients From Bitewing Radiographs Using Artificial Intelligence, Cesar D. Gonzalez, Zaid Badr, H. Cem Güngör, Shengtong Han, Manal Hamdan

School of Dentistry Faculty Research and Publications

Purpose: To develop a no-code artificial intelligence (AI) model capable of identifying primary proximal surface caries using bitewings among pediatric patients.

Methods: One hundred bitewing radiographs acquired at pediatric dental clinics were anonymized and reviewed. The inclusion criteria encompassed bitewing radiographs of adequate diagnostic quality of primary and mixed-dentition stages. The exclusion criteria included artifacts related to sensors’ quality, positioning errors, and motion. Sixty-six bitewing radiographs were selected. Images were uploaded to LandingLens™, a no-code AI platform. A calibrated consensus panel determined the presence or absence of proximal caries lesions on all surfaces (using ground truth labeling). The radiographs were …

Influence Of Stimulation Frequency On Brain-Derived Neurotrophic Factor And Cathepsin-B Production In Healthy Young Adults, Yuichi Nishikawa, Hiroyuki Sakaguchi, Tatsuya Takada, Noriaki Maeda, Allison S. Hyngstrom

Physical Therapy Faculty Research and Publications

Electrical muscle stimulation (EMS) has been shown to stimulate the production of myokines (i.e., brain-derived neurotrophic factor (BDNF)), but the most effective EMS parameters for myokine production have not been fully elucidated. The purpose of this study was to quantify the optimal EMS frequency for stimulating myokine production. This study included sixteen young adults (male, n = 13, age = 27.3 ± 5.5 years). Participants underwent four EMS interventions (20 min each) with the following conditions: (1) 4 Hz, (2) 20 Hz, (3) 80 Hz, and (4) control (no intervention). Blood samples were obtained before and immediately after EMS. For …

Biological Sex Influences Daily Locomotor Rhythms In Mice Held Under Different Housing Conditions, Amanda Pastrick, Matthew Diaz, Griffin Adaya, Victoria Montinola, Madeline Arzbecker, Deborah A. M. Joye, Jennifer A. Evans

Biomedical Sciences Faculty Research and Publications

Daily rhythms are programmed by a central circadian clock that is modulated by photoperiod. Here, we recorded locomotor activity rhythms in C57Bl/6 or mPer2^Luc mice of both sexes held under different housing conditions. First, we confirm that the structure of locomotor activity rhythms differs between male and female mice in both genetic backgrounds. Male mice exhibit a nightly “siesta,” whereas female mice fluctuate between nights with and without a nightly siesta, which corresponds with changes in locomotor activity levels, circadian period, and vaginal cytology. The nightly siesta is modulated by the presence of a running wheel in both sexes …

Standardizing Attention Process Training-Iii For A Multisite Clinical Trial Of Neuromodulation, Jessica D. Richardson, Honey Isabel Hubbard, Sarah Grace Dalton, Sloan Davidson, Tiana Maple, Tyler B. Smith, Mo Chen, Rebecca Hiltner, Thomas Jones, Andrew R. Mayer, Orrin Myers, Cassandra Nelson, Sarah Pirio-Richardson, Cidney Robertson-Benta, Scott R. Sponheim, Joel Upston, Lindsay Worth, Nicholas Davenport, Davin K. Quinn

Speech Pathology and Audiology Faculty Research and Publications

Introduction

The Control Network Neuromodulation to Enhance Cognitive Training in Complex Traumatic Brain Injury (CONNECT-TBI) study is an ongoing randomized, double-blinded, sham-controlled multisite clinical trial to determine the enhancing effects of noninvasive neuromodulation when paired with cognitive training in military participants (Veterans and active duty) with mild TBI. Attention Process Training-III (APT-III) was selected for its strong evidence base, manualized procedures, and computerized program. However, many aspects of APT-III that make it ideal for personalization make it less ideal for reliable implementation across participants, clinicians/technicians, and sites. The purpose of this feature article is to highlight APT-III procedures that require …

A Scoping Review Of The Role Of Policy In Mitigating Childhood Obesity In Underserved Populations Using The Re-Aim Framework, Bonnie Gance-Cleveland, Marilyn Frenn, Nancy T. Browne, Cindy Smith Greenberg, Julia A. Snethen, Eric A. Hodges, Alissa Fial, Leigh Small, Sharon Y. Irving

College of Nursing Faculty Research and Publications

Background

Childhood obesity is an escalating crisis in the United States. Health policy may impact this epidemic which disproportionally affects underserved populations.

Aim

The aim was to use the reach, effectiveness, adoption, implementation, and maintenance (RE-AIM) framework to assess health policy impact on preventing or treating school-aged children (5 > 18 years) with obesity in underserved populations.

Methods

A scoping review of 842 articles was conducted. Twenty-four articles met the inclusion criteria and underwent data extraction.

Results

Twelve studies included subgroup analysis, with four suggesting an impact of policy on at-risk groups. None of the 24 studies fully applied the RE-AIM …

Mass Media Exposure And Sociodemographic Factors Associated With Malaria Vaccine Awareness Among Women Of Childbearing Age In Ghana, Emmanuel Angmorteh Mensah, Henry Ofori Duah, Charles Olomofe, Megan Quinn

College of Nursing Faculty Research and Publications

Background The development, approval and adoption of the malaria vaccine has provided effective supplemental protection against malaria for children in Ghana. However, heightened awareness of the new vaccine will play a critical role in its mass deployment and acceptance among potential recipients. This study therefore determined the sociodemographic characteristics associated with malaria vaccine awareness and ascertained the influence of traditional media exposure on awareness in Ghana. Methods The study used the Demographic and Health Survey 2019 Malaria Indicator Survey Data. After necessary recoding, chi-square and complex survey bivariate/multivariate logistic regression analyses were performed using STATA 18.0. Results Among the participants, …

“It Is Like A Curse”. The Lived Experiences Of The Intersection Of Intergenerational Violence, Pregnancy, And Intimate Partner Violence Among Urban Wisconsin Indigenous Women, Jeneile Luebke, Nicole Thomas, Yamikani B. Nkhoma, Angela R. Fernandez, Kaylen M. Moore, Alexa A. Lopez, Lucy Mkandawire-Valhmu

College of Nursing Faculty Research and Publications

Background

Intimate Partner Violence (IPV) is a significant public health concern that disproportionately impacts Indigenous American women more than any other ethnic/racial group in the United States.

Purpose

This study aims to inform the work of nurses and allied health professionals by providing insight into the lived realities of Indigenous women in urban areas and how IPV manifests in the lives of Indigenous women.

Methods

Postcolonial and Indigenous feminist frameworks informed this qualitative study. Using thematic analysis, we analyzed data from semi-structured individual interviews with 34 Indigenous women in large urban areas in the upper Midwest.

Findings

This manuscript discusses …

Contribution Of Dentoalveolar Heights On Facial Heights In Class I And Class Ii Untreated Subjects, Mira Bharat Suvagia

Master's Theses (2009 -)

Objective: This research aims to investigate the impact of dentoalveolar heights on craniofacial growth and the development of Class I and Class II malocclusions in untreated subjects aged 6-18 years. The study seeks to establish relationships between dentoalveolar heights and anterior and posterior facial heights. The findings contribute to understanding the dynamic interplay between dentoalveolar growth, mandibular rotation, and facial height establishment, shedding light on critical aspects of craniofacial development. Materials and Methods: The study draws upon cephalograms from the University of Michigan Growth Study, encompassing untreated Class I and Class II subjects aged 6-18 years. A subsample of 408 …

The Validation Of Remote-Synchronous And Remote-Asynchronous Physical Performance-Based Outcome Measurements, Kieran James Mullen

Master's Theses (2009 -)

Performance-based outcome measures are used by clinical and research communities to identify health risks, assess change in physical function over time, and assess the success of treatment. With the onset of COVID-19, remote assessments were sought as alternatives to in-person testing, however there is inadequate literature on the validity of remote performance-based outcome measurement to assess physical function. Current literature is limited to small cohort studies, and none take advantage of novel comparison of agreement methodology. This study assessed the level of agreement between three methods of performance-based outcome data collection: in-person data collection, remote synchronous data collection, and remote …

Using Implementation Science To Improve Short Peripheral Intravenous Catheter Outcomes, Mary Hook, Aimee A. Woda, Kelsey Bohr, Cailin Ford, Maharaj Singh

College of Nursing Faculty Research and Publications

Short peripheral intravenous catheters (short PIVCs) are commonly used in acute care, guided by evidence-based policy with interventions to limit premature failure. Research on how nurses use evidence and change processes to optimize outcomes is needed. The study objective was to use a theory-based implementation science approach to evaluate and improve short PIVC insertion and care processes and reduce removals for adverse outcomes in acute care. This mixed-methods study was conducted with inpatient nursing units (n = 23) at a large urban quaternary medical center. Units identified and implemented one PIVC care intervention that could lower catheter removals for adverse …

Sex Differences In Spontaneous Respiratory Recovery In Chronic Hemisection, Taylor C. Holmes, Nicole M. Popp, Carley F. Hintz, Isabell Dobrzycki, Carolyn J. Schmitz, Kaylyn A. Schwichtenberg, Elisa J. Gonzalez-Rothi, Christopher W. Sundberg, Kristi A. Streeter

Physical Therapy Faculty Research and Publications

Respiratory deficits after C2 hemisection (C2Hx) have been well documented through single-sex investigations. Although ovarian sex hormones enable enhanced respiratory recovery observed in females 2 wk post-C2Hx, it remains unknown if sex impacts spontaneous respiratory recovery at chronic time points. We conducted a longitudinal study to provide a comprehensive sex-based characterization of respiratory neuromuscular recovery for 8 wk after C2Hx. We recorded ventilation and chronic diaphragm electromyography (EMG) output in awake, behaving animals, phrenic motor output in anesthetized animals, and performed diaphragm muscle histology in chronically injured male and female rodents. Our results show that females expressed a greater recovery …

Prolonged Quadriceps Latency During Gait Early After Anterior Cruciate Ligament Injury Predicts Radiographic Knee Osteoarthritis 6-Years After Anterior Cruciate Ligament Reconstruction, Naoaki Ito, Jacob J. Capin, Elanna Arhos, Elizabeth Wellsandt, Ryan T. Pohlig, Thomas S. Buchanan, Lynn Snyder-Mackler

Physical Therapy Faculty Research and Publications

The purpose was to explore quadriceps electromechanical function (quadriceps latency) during gait after anterior cruciate ligament injury as a predictor for radiographic knee osteoarthritis 6-years after anterior cruciate ligament reconstruction. Change in latency after preoperative physical therapy was also examined.

Methods

Quadriceps latency (time between peak knee moment and quadriceps electromyography) was calculated before preoperative physical therapy (2.4 [0.5–7.5] months after anterior cruciate ligament injury) and after preoperative physical therapy in 24 athletes. Participants were dichotomized into osteoarthritis (Kellgren and Lawrence grade ≥ 2) and non-osteoarthritis groups at 6-years. Forward selection logistic repression was performed using z-score normalized quadriceps latency …

Noninvasive Estimation Of Skeletal Muscle Oxygen Consumption Rate And Microvascular Reactivity In Chronic Stroke Survivors Using Near-Infrared Spectroscopy, Allison S. Hyngstrom, Jennifer N. Nguyen, David D. Gutterman, Brian D. Schmit, Emilie A. Klevenow, Matthew J. Durand

Physical Therapy Faculty Research and Publications

Understanding post-stroke changes in skeletal muscle oxidative metabolism and microvascular reactivity could help create therapeutic targets that optimize rehabilitative interventions. Due to disuse atrophy, we hypothesized that basal muscle oxygen consumption rate and microvascular endothelial function would be impaired in the tibialis anterior (TA) muscle of the affected leg of chronic stroke survivors compared with the nonaffected leg and versus matched controls. Fifteen chronic stroke survivors (10 females) and 15 matched controls (9 females) completed this study. A near-infrared spectroscopy oximeter measured tissue oxygen saturation (StO₂) of the TA in both legs of stroke survivors and the dominant …

Reduced Oxygen Desaturation In The Vastus Lateralis Of Chronic Stroke Survivors During Graded Muscle Contractions, Allison S. Hyngstrom, Jennifer N. Nguyen, Spencer A. Murphy, Stephanie C. Raab, Brian D. Schmit, David D. Gutterman, Matthew J. Durand

Physical Therapy Faculty Research and Publications

Background

Few studies have examined changes in skeletal muscle physiology post-stroke. This study examined changes in tissue oxygen saturation (StO₂) of the vastus lateralis (VL) muscle of stroke survivors and age-matched control participants during maximal and submaximal isometric contractions of the knee extensor muscles.

Objectives

We hypothesized that tissue oxygen desaturation (ΔStO₂) during knee extensor muscle contractions would be less in the VL in the paretic vs. the non-paretic and control legs.

Methods

Ten chronic stroke survivors (>6 months post-stroke) with lower extremity muscle weakness and 10 age-matched controls completed this prospective cohort study. Maximum …