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Articles 1 - 20 of 20
Full-Text Articles in Medicine and Health Sciences
A Comparative Study Of Postnatal Anthropometric Growth In Very Preterm Infants And Intrauterine Growth., Fu-Sheng Chou, Hung-Wen Yeh, Reese H. Clark
A Comparative Study Of Postnatal Anthropometric Growth In Very Preterm Infants And Intrauterine Growth., Fu-Sheng Chou, Hung-Wen Yeh, Reese H. Clark
Manuscripts, Articles, Book Chapters and Other Papers
Most growth references for very preterm infants were developed using measurements taken at birth, and were thought to represent intrauterine growth. However, it remains unclear whether the goal of approximating an intrauterine growth rate as stated by the American Academy of Pediatrics is attainable by very preterm infants. Using real-world measurement data from very preterm infants born between 2010 through 2020, we develop models to characterize the patterns of postnatal growth, and compare them to intrauterine growth. By assessing the weight growth rate, we show three phases of postnatal growth not evident in intrauterine growth. Furthermore, postnatal length and head …
Acceleration Profiles Of Adolescent Soccer Players Across A Season, Jake A. Melaro
Acceleration Profiles Of Adolescent Soccer Players Across A Season, Jake A. Melaro
Doctoral Dissertations
The injury risk inherent to soccer can be affected by external training loads and intrinsic factors. These intrinsic factors (sex, mass, strength, coordination, etc.) in young athletes can be rapidly altered the near their peak height velocity (PHV) during puberty, modifying their movement complexity and, potentially, their injury risk. While quantification of movement complexity through multiscale entropy analysis have been used in past biomechanical investigations, no studies have incorporated this analysis on tibial accelerometry signals collected in these maturing athletes. The purpose of this study is to collect tibial acceleration data from youth soccer athletes during several discrete drills and …
Does Fatigue Influence Joint-Specific Work And Ground Force Production During The First Steps Of Maximal Acceleration?, Shayne Vial, Jodie C. Wilkie, Mitchell Turner, Mark Scanlan, Anthony J. Blazevich
Does Fatigue Influence Joint-Specific Work And Ground Force Production During The First Steps Of Maximal Acceleration?, Shayne Vial, Jodie C. Wilkie, Mitchell Turner, Mark Scanlan, Anthony J. Blazevich
Research outputs 2022 to 2026
During initial acceleration, the first steps of a maximal-effort (sprint) run often determine success or failure in the capture and evasion of an opponent, and is therefore a vital factor of success in many modern sports. However, accelerative events are commonly performed after having already run considerable distances, and the associated fatigue should impair muscle force production and thus reduce acceleration. Despite this, the effects of running-induced fatigue on our ability to accelerate as well as the running technique used to achieve it have received little attention. We recorded 3-D kinematics and ground reaction forces during the first three steps …
The Relationship Between Chronic Low Back Pain And Functional Movement, Lindsey Taylor Wensel, Spencer Baker
The Relationship Between Chronic Low Back Pain And Functional Movement, Lindsey Taylor Wensel, Spencer Baker
International Journal of Exercise Science: Conference Proceedings
ABSTRACT
Movements of the spine are different in those who have chronic low back pain (CLBP) compared to those who do not. By using inertial measurement units (IMUs), we assessed the angular acceleration of L5 and the sacrum in both healthy and CLBP individuals. PURPOSE: To determine if there is a difference in the movement patterns of L5 and the sacrum during spinal flexion in those with CLBP compared to those without. METHODS: Movement acceleration patterns were evaluated in 10 individuals between the ages of 35-65 years of age. 5 of the individuals reported having CLBP so they …
Association Of Pediatric Buccal Epigenetic Age Acceleration With Adverse Neonatal Brain Growth And Neurodevelopmental Outcomes Among Children Born Very Preterm With A Neonatal Infection., Noha Gomaa, Chaini Konwar, Nicole Gladish, Stephanie H Au-Young, Ting Guo, Min Sheng, Sarah M Merrill, Edmond Kelly, Vann Chau, Helen M Branson, Linh G Ly, Emma G Duerden, Ruth E Grunau, Michael S Kobor, Steven P Miller
Association Of Pediatric Buccal Epigenetic Age Acceleration With Adverse Neonatal Brain Growth And Neurodevelopmental Outcomes Among Children Born Very Preterm With A Neonatal Infection., Noha Gomaa, Chaini Konwar, Nicole Gladish, Stephanie H Au-Young, Ting Guo, Min Sheng, Sarah M Merrill, Edmond Kelly, Vann Chau, Helen M Branson, Linh G Ly, Emma G Duerden, Ruth E Grunau, Michael S Kobor, Steven P Miller
Department of Medicine Publications
IMPORTANCE: Very preterm neonates (24-32 weeks' gestation) remain at a higher risk of morbidity and neurodevelopmental adversity throughout their lifespan. Because the extent of prematurity alone does not fully explain the risk of adverse neonatal brain growth or neurodevelopmental outcomes, there is a need for neonatal biomarkers to help estimate these risks in this population.
OBJECTIVES: To characterize the pediatric buccal epigenetic (PedBE) clock-a recently developed tool to measure biological aging-among very preterm neonates and to assess its association with the extent of prematurity, neonatal comorbidities, neonatal brain growth, and neurodevelopmental outcomes at 18 months of age.
DESIGN, SETTING, AND …
The Possibility Of Acceleration In Orthodontic Tooth Movement, Yu-Jia Liou, Ellen Wen-Ching Ko, Eric Jein-Wein Liou, Betty Chien-Jung Pai
The Possibility Of Acceleration In Orthodontic Tooth Movement, Yu-Jia Liou, Ellen Wen-Ching Ko, Eric Jein-Wein Liou, Betty Chien-Jung Pai
Taiwanese Journal of Orthodontics
In recent times, orthodontic treatment has attained significant interest and momentum. It has become more acceptable and admirable as a prime modality of treatment that not only enhances the facial esthetics but also can improve the function of the orofacial structures, than ever before. However, the layperson perceives it to be a treatment modality which consumes drastically longer period of time. Recent research pertaining to faster orthodontic tooth movement has dwelled in to this overwhelming area of reduced and more efficient treatment time. This review article specifically deals with such modalities of treatment which could elicit shorter treatment period than …
Kinematic Analysis Of The Block Startand 20-Metre Acceleration Phase In Two Highly-Trained Sprinters: A Case Report, Michal Janowski, Jacek Zielinski, Michal Wlodarczyk, Krzysztof Kusy
Kinematic Analysis Of The Block Startand 20-Metre Acceleration Phase In Two Highly-Trained Sprinters: A Case Report, Michal Janowski, Jacek Zielinski, Michal Wlodarczyk, Krzysztof Kusy
Baltic Journal of Health and Physical Activity
Background: The main purpose was to evaluate individual kinematic characteristics in highly trained sprinters during the „set” position, block clearance and a 20-m acceleration phase, as well as to determine differences and/or technique similarities. Material/Methods: The measurements were carried out on two sprinters, members of the Polish national team. A wireless portable MyoMotion system (Noraxon Inc., USA) was applied. Angular changes and accelerations of all limbs, trunk and head were measured. Results: Increased motion asymmetry between sides brought about stride fluctuation and worsened sprint performance. This effect occurred when the sum of the discrepancies for hip, knee and ankle joints …
Win, Draw, Or Lose? Global Positioning System-Based Variables’ Effect On The Match Outcome: A Full-Season Study On An Iranian Professional Soccer Team, Hadi Nobari, Norbert Keshish Banoocy, Rafael Oliveira, Jorge Pérez-Gómez
Win, Draw, Or Lose? Global Positioning System-Based Variables’ Effect On The Match Outcome: A Full-Season Study On An Iranian Professional Soccer Team, Hadi Nobari, Norbert Keshish Banoocy, Rafael Oliveira, Jorge Pérez-Gómez
Research outputs 2014 to 2021
The aim of the study was to determine the between-match and between-halves match variability of various Global Positioning System (GPS) variables and metabolic power average (MPA) in competitions, based on the match results obtained by professional soccer players over a full season. Observations on individual match performance measures were undertaken on thirteen outfield players competing in the Iranian Premier League. The measures selected for analysis included total duration, accelerations in zones (AccZ1, 2, and 3), decelerations in zones (DecZ1, 2, and 3), and MPA collected by the Wearable Inertial Measurement Unit (WIMU). The GPS manufacturer set the thresholds for the …
The Significance Of Utilizing A Corticotomy On Periodontal And Orthodontic Outcomes: A Systematic Review And Meta‐Analysis, Jonathan Gao, Trung Nguyen, Snehlata Oberoi, Heesoo Oh, Sunil Kapila, Richard T. Kao, Guo-Hao Lin
The Significance Of Utilizing A Corticotomy On Periodontal And Orthodontic Outcomes: A Systematic Review And Meta‐Analysis, Jonathan Gao, Trung Nguyen, Snehlata Oberoi, Heesoo Oh, Sunil Kapila, Richard T. Kao, Guo-Hao Lin
All Dugoni School of Dentistry Faculty Articles
Purpose: This systematic review compares the clinical and radiographic outcomes for patients who received only a corticotomy or periodontal accelerated osteogenic orthodontics (PAOO) with those who received a conventional orthodontic treatment. Methods: An electronic search of four databases and a hand search of peer‐reviewed journals for relevant articles published in Eng-lish between January 1980 and June 2021 were performed. Human clinical trials of ≥ 10 patients treated with a corticotomy or PAOO with radiographic and/or clinical outcomes were included. Meta‐analyses were performed to analyze the weighted mean difference (WMD) and confidence interval (CI) for the recorded variables. Results: Twelve articles …
Kinesiology Of The Throwing Motion Of A Quarterback, Caleb Bissette, Will Mullins, Lane Evans
Kinesiology Of The Throwing Motion Of A Quarterback, Caleb Bissette, Will Mullins, Lane Evans
EXSI 432/532: Research Methods in Exercise Science: Research Proposal Posters
No abstract provided.
Comparison Of Post-Activation Potentiation Methods On Power And Sprint Acceleration, Aaron Piper
Comparison Of Post-Activation Potentiation Methods On Power And Sprint Acceleration, Aaron Piper
Electronic Theses and Dissertations
Post-activation potentiation (PAP) is a stimulus used to enhance performance by performing specific interventions prior to subsequent explosive movements. The purpose of this study was to determine the effect of different PAP methods on power and sprint acceleration in resistance trained, college-aged men and women. A total of 13 subjects participated in the study. After determining back squat 1 repetition max, subjects returned for testing on separate days to complete one of four interventions (dynamic resistance, weighted plyometric, isometric, or control) in a randomized order. A standardized warmup was given, followed by a baseline countermovement jump (CMJ) and 20-meter sprint. …
The Impact Of Anterior Cruciate Ligament Reconstructive Surgery On Neuromotor Function, Cortney Noel Armitano
The Impact Of Anterior Cruciate Ligament Reconstructive Surgery On Neuromotor Function, Cortney Noel Armitano
Rehabilitation Sciences Theses & Dissertations
The purpose of this dissertation was to examine the systemic neuromechanical implications in individuals who have had an ACL reconstruction (ACLR) compared to healthy controls. The specific aims addressed were to: 1) examine differences in inter-limb coordination during walking at different speeds, 2) examine differences in trunk, neck and head acceleration during gait, and 3) investigate whether the reaction time responses assessed during stepping are negatively affected by ACLR.
The findings of study 1 revealed that maximal coordination stability was achieved when walking at the person’s preferred gait speed. However, individuals with a previous ACLR exhibited reduced coordination stability between …
Intraocular Pressure And Cerebral Oxygenation During Prolonged Headward Acceleration, Ola Eiken, Michail E. Keramidas, Nigel A.S. Taylor, Mikael Gronkvist
Intraocular Pressure And Cerebral Oxygenation During Prolonged Headward Acceleration, Ola Eiken, Michail E. Keramidas, Nigel A.S. Taylor, Mikael Gronkvist
Faculty of Science, Medicine and Health - Papers: part A
Purpose Supra-tolerance head-to-foot directed gravitoinertial load (+Gz) typically induces a sequence of symptoms/ signs, including loss of: peripheral vision—central vision— consciousness. The risk of unconsciousness is greater when anti-G-garment failure occurs after prolonged rather than brief exposures, presumably because, in the former condition, mental signs are not consistently preceded by impaired vision. The aims were to investigate if prolonged exposure to moderately elevated +Gz reduces intraocular pressure (IOP; i.e., improves provisions for retinal perfusion), or the cerebral anoxia reserve. Methods Subjects were exposed to 4-min +Gz plateaux either at 2 and 3 G (n = 10), or at 4 and …
A Clustered Repeated-Sprint Running Protocol For Team-Sport Athletes Performed In Normobaric Hypoxia, Jaime Morrison, Chris Mclellan, Clare Minahan
A Clustered Repeated-Sprint Running Protocol For Team-Sport Athletes Performed In Normobaric Hypoxia, Jaime Morrison, Chris Mclellan, Clare Minahan
Chris McLellan
The present study compared the performance (peak speed, distance, and acceleration) of ten amateur team-sport athletes during a clustered (i.e., multiple sets) repeated-sprint protocol, (4 sets of 4, 4-s running sprints; i.e., RSR444) in normobaric normoxia (FiO2 = 0.209; i.e., RSN) with normobaric hypoxia (FiO2 = 0.140; i.e., RSH). Subjects completed two separate trials (i. RSN, ii. RSH; randomised order) between 48 h and 72 h apart on a non-motorized treadmill. In addition to performance, we examined blood lactate concentration [La-] and arterial oxygen saturation (SpO2) before, during, and after the RSR444. While there were no differences in peak speed …
Knowledge Of Bout Duration Influences Pacing Strategies During Small-Sided Games, John Sampson, Hugh Fullagar, Tim Gabbett
Knowledge Of Bout Duration Influences Pacing Strategies During Small-Sided Games, John Sampson, Hugh Fullagar, Tim Gabbett
Faculty of Science, Medicine and Health - Papers: part A
This investigation examines pacing during intermittent team sports. Sixteen junior Rugby League players participated in eight different small-sided offside touch games. All games were 24 min, but bout durations differed in continuous (1 × 24 min) or repeated (2 × 12, 3 × 8, 4 × 6, 6 × 4, 8 × 3, 12 × 2 or 24 × 1 min) formats. Repeat bouts were interspersed by 2 min of passive rest, and participants were informed of the bout duration immediately prior to the game. Heart rates, ratings of perceived exertion and data gathered from global positioning system devices were …
Bracing Of The Trunk And Neck Has A Differential Effect On Head Control During Gait, S. Morrison, D. M. Russell, K. Kelleran, M. L. Walker
Bracing Of The Trunk And Neck Has A Differential Effect On Head Control During Gait, S. Morrison, D. M. Russell, K. Kelleran, M. L. Walker
Rehabilitation Sciences Faculty Publications
During gait, the trunk and neck are believed to play an important role in dissipating the transmission of forces from the ground to the head. This attenuation process is important to ensure head control is maintained. The aim of the present study was to assess the impact of externally restricting the motion of the trunk and/or neck segments on acceleration patterns of the upper body and head and related trunk muscle activity. Twelve healthy adults performed three walking trials on a flat, straight 65-m walkway, under four different bracing conditions: 1) control-no brace; 2) neck-braced; 3) trunk-braced; and 4) neck-trunk …
Relationship Between Strength, Power And Sprint Performance In Professional Cricketers, Matt Inness, Prue Cormie, Robert Newton
Relationship Between Strength, Power And Sprint Performance In Professional Cricketers, Matt Inness, Prue Cormie, Robert Newton
Prue Cormie
No abstract available.
Quantifying Head Acceleration During Vestibular Rehabilitation, Anne Hogan
Quantifying Head Acceleration During Vestibular Rehabilitation, Anne Hogan
Dissertations, 2014-2019
Dizziness can often be a serious and confounding condition that ranges in severity from annoying to debilitating and affects many people. The most common and effective treatment for persistent dizziness is vestibular rehabilitation therapy, which falls into three categories: adaptation, sensory substitution, and habituation. While more is known about adaptation and sensory substitution, questions remain regarding the exact mechanisms of recovery for habituation. Precisely, the optimal stimulation to the vestibular system, as measured in intensity of head accelerations, is unknown for habituation treatment. In this dissertation are drafts of two manuscripts. The first explores the average intensity of linear and …
Kinematic And Spatiotemporal Analysis Between Sprint Drills And Maximal Sprinting, Julianne Cappadona
Kinematic And Spatiotemporal Analysis Between Sprint Drills And Maximal Sprinting, Julianne Cappadona
PTHMS Undergraduate Publications
Purpose: To determine if any kinematic differences exist between two common sprint drills (A- and B-drills) and maximal sprinting. Methods: 12 collegiate sprinters (19.17±1.11 y/o) granted informed consent were filmed performing two 40-meter sprints, A-skips, and B-skips. Three-dimensional motion analysis tracked the coordinates of 24 reflective markers and resulting joint kinematics were computed. Results: Statistical analysis revealed that sprinting yielded a significantly lower maximum hip flexion (p=0.015) but a significantly higher minimum ankle angular velocity (p=0.012) and step rate (p=0.000) value than A-drills. When compared to B-drills, sprinting values were significantly lower in maximum hip flexion (p=0.047), minimum knee flexion …
Designing Direct And Indirect Factor Xa Inhibitors, Rami Al-Horani
Designing Direct And Indirect Factor Xa Inhibitors, Rami Al-Horani
Theses and Dissertations
Anticoagulants are the basis for treatment and prevention of thrombotic diseases. The currently available medicines are associated with a wide range of adverse reactions that mandates developing new anticoagulants. Several lines of evidence support the superiority of factor Xa (FXa) as a promising target to develop novel anticoagulants. This work focuses on the design of direct and indirect FXa inhibitors using an interdisciplinary approach. As indirect FXa inhibitors, a focused library of tetrasulfated N–arylacyl tetrahydroisoquinoline (THIQ) nonsaccharide allosteric antithrombin activators was designed, synthesized, and biochemically evaluated to establish their structure–activity relationship (SAR). An N–arylacyl THIQ analog having carboxylate at position–3, …