About
88
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Introduction
Current institution
Additional affiliations
January 2020 - present
September 2018 - September 2018
Education
September 2017 - June 2019
September 2013 - September 2017
September 2009 - June 2012
Publications
Publications (88)
Reducing examination table paper (ETP) use may help curb carbon emissions from health care. Six participants applied Glo Germ (DMA International) to their hands before a common physical examination (abdominal, cardiorespiratory, hip and knee) both with and without ETP. After each exam, UV light was shined on the exam table and photographs were take...
Background and objective
Treatments of lymphoma can lead to reduced physical functioning, cancer-related fatigue, depression, anxiety, and insomnia. These side effects can negatively impact the cancer survivor’s quality of life. Mounting evidence indicates that physical activities are highly therapeutic in mitigating the short- and long-term side e...
Recommendations for physical activity (PA) typically focus on frequency, intensity, duration, and type, but timing (chrono-exercise) is also important. The objective of this study is to describe when children are active on school and weekend days and explore PA timing across sex and body mass index (BMI) categories. 359 children (53% male), aged 9....
Objectives. Active workstations have been proposed to counteract sedentary behavior at work. This study describes office workers' use of and perceptions toward standing and cycling workstations, and assesses whether the two active workstations were sufficient to break sitting time and replace it with 2-4 h of light activity per workday. Methods. Th...
Estimate the shape and number of cardiorespiratory fitness (CRF) trajectories from childhood to adolescence; and verify whether CRF trajectory membership can be predicted by sex, biological maturation, body weight, body composition and physical activity (PA) in childhood. Data from QUALITY were used. Participants attended baseline (8–10 y old, n =...
Purpose
To estimate the shape and number of mechanical efficiency (ME) trajectories from childhood to adolescence; and verify whether ME trajectory membership can be predicted by sex, biological maturation, body weight, body composition and physical activity (PA) in childhood.
Methods
Data from QUALITY, an ongoing cohort study on the natural histo...
Abstract:
Background & Aims: Premenstrual syndrome (PMS) is a common disorder affecting 30-40% of women of reproductive age. Many modifiable risk factors associated with PMS involve nutrition and poor eating habits. This study aims to explore the correlation between micronutrients and PMS in a group of Iranian women and to build a predictor model s...
Obesity is defined as a body mass index (BMI)
of 30 kg/m2 or greater. Obesity is a complex medical condition
characterized by excess body fat that increases the risk
of developing co-morbidities like cardiovascular disease (CVD)
and diabetes. Excess weight is a global concern with an evergrowing
prevalence. This research study aims to develop effec...
The COVID-19 pandemic, caused by the SARS-CoV-2 virus, led to a global health crisis, with more than 157 mil-lion cases confirmed infected by May 2021. Effective medicationis desperately needed. Predicting drug-target interaction (DTI) isan important step to discover novel uses of chemical structures.Here, we develop a pipeline to predict novel DTI...
Chiarlitti, NA, Crozier, M, Insogna, JA, Reid, RER, and Delisle-Houde, P. Longitudinal physiological and fitness evaluations in elite ice hockey: A systematic review. J Strength Cond Res XX(X): 000-000, 2021-Ice hockey has greatly evolved since the last review article was published more than 25 years ago. Although players still combine anaerobic an...
Background:
Behavioral trajectories from childhood to adolescence may differ and are poorly understood. The authors estimated the trajectories of moderate to vigorous physical activity (MVPA), screen time, and sleep duration during this period, by sex and initial weight status.
Methods:
Data from Quebec Adiposity and Lifestyle Investigation in Y...
Contexte : L'excès de temps sédentaire a des effets néfastes sur la santé. Afin de contrer la sédentarité au travail, l'installation de postes de travail debout avec pédalier et sur tapis roulant, appelés postes actifs, a été proposée. Une méta-analyse démontre que la recherche s'est concentrée sur le poste debout, et ce avec une réduction du temps...
Background
The 24‐hour movement guidelines provide recommendations for physical activity, screen time and sleep duration for children.
Objectives
Describe adherence to the guidelines and their cross‐sectional and longitudinal associations with adiposity from childhood to adolescence.
Methods
Data are from the QUALITY Cohort. Children were followe...
Background
The aim of this study was to explore the relationship between ambulatory distance with steps/day and increased step length as children age
Methods
This is a prospective cohort study. Forty-five children from the QUALITY cohort were assessed at childhood (baseline) and seven years later during adolescence (follow-up). Daily step count wa...
Objective
To estimate, among people with multiple sclerosis, the extent to which a personally tailored exercise programme (MSTEP©) resulted in greater improvements in exercise capacity and related outcomes over 12 months in comparison with general exercise guidelines.
Design
Two-group randomized trial.
Subjects
Ambulatory and sedentary.
Interven...
Sleep duration improves short-term following bariatric surgery; however, little is known about its association with bodyweight medium- to long-term post-surgery. The purpose of this study was to describe sleep duration and its relationship with BMI and body composition. Forty-nine individuals, with a BMI of 36.6 ± 9.8 kg/m2, regained 26.4 ± 17.8% o...
Objectives:
As time with patients and resources are increasingly limited, it is important to determine if clinical tests can provide further insight into real-world behaviors linked to clinical outcomes. The purpose of this study was to determine which aspects of anthropometry and physical fitness testing are associated with physical activity (PA)...
Obesity can negatively influence walking cadence, reducing the overall intensity of daily activities and increasing the risk of weight gain.
Purpose
Objectively describe the walking cadence of individuals’ long-term post-bariatric surgery.
Methods
Fifty-eight participants, 51.2 ± 8.9 years old, with a BMI of 34.6 ± 10.1 kg/m², 10.0 ± 3.1 years po...
The sensory profile, referring to sight, smell, taste, hearing, and touch, plays an essential role in optimizing the habitual intake of energy and macronutrients. However, specific populations, such as older adults, are known to have impaired energy intake. In this paper, the relevance of sensory impairments in this older population is described, a...
We examined the impact of bariatric surgery on cardiometabolic, ventilatory and breathlessness responses to incremental cycle exercise testing in adults with class III obesity (n = 6). O2 consumption, CO2 production, minute ventilation (V̇E) and breathing frequency were reduced during submaximal exercise after surgery. Inspiratory capacity (IC) and...
Currently, exercise prescription relies heavily on parameters included in the FITT principle: frequency, intensity, time (duration), and type of exercise. In this paper, the benefits of including timing (FITT+T), referring to when exercise is performed in relation to meal-time, is discussed. Current research indicates that timing is outcome-specifi...
Exercise can acutely suppress appetite, but the impact of exercise timing on anthropometry remains unknown. This study explored whether exercise timing relative to meal-time can optimize bodyweight and adiposity losses in overweight and obese adults. This randomized crossover design compared exercise one-hour preceding meal-time (ExMeal) and exerci...
Purpose::
To determine the predictability of common laboratory/field and novel laboratory tests for skating characteristics in Canadian collegiate ice hockey players.
Methods::
Eighteen male hockey players from the university's varsity hockey team, aged 20 to 25 years old (height: 180.7 ± 6.4 cm, weight: 87.1 ± 6.7 kg, body fat: 16.2 ± 4.0 %) co...
A collegiate athlete's body composition can fluctuate due to factors such as nutrition, sleep, and training load. As changes in body composition can affect an athlete's level of performance, it may be beneficial if athlete's can accurately predict these changes throughout a season. The purpose of this study was to determine how well a group of 23 m...
Given that body composition is an important factor in hockey performance, monitoring changes from season to season may help coaches optimize player performance. Male Canadian col-ligate hockey players (n = 34) underwent one total body dual energy x-ray absorptiometry scan to assess body composition at the beginning of each season over the course of...
Objective: This systematic review aims to collect existing literature and summarize the impact of active workstations on the health and work outcomes of participants with overweight or obesity.
Methods: Five databases were examined (until March 2018), and the keywords “desk,” “workstation,” “work station,” and “work stations” were used with any one...
Purpose:
The primary aim was to assess the accuracy of common prediction equations, the Harris-Benedict (HB) and the Mifflin St. Jeor (MSJ) equations, for estimating resting energy expenditure (REE) among people with spinal cord injury (SCI) against actual REE measurements. The secondary aim was to cross-validate the Buchholz et al. energy predict...
PURPOSE: Collegiate athletics are known to affect body composition, strength, and bone characteristics. However, it is unknown which sport is most beneficial for increased bone mineral density (BMD). To compare the BMD of female collegiate athletes (n=102) who compete in impact loading sports; ice hockey players (HP; n=24), cheerleading (CH; n=22),...
Fitness testing and body composition assessments in sports are ubiquitous and rapidly becoming an indispensible resource for strength and conditioning coaches. Previous research has shown that higher amounts of lean tissue mass have been associated with increased power outputs and lower levels of body fat percentage have been associated with improv...
Smokers typically exhibit lower body weights than non-smokers despite poorer metabolic and physiologic profiles. Nicotine, an appetite suppressant found in cigarettes and cigars, may play a role in weight control. Physical activity also contributes to lower body weights; however, this simultaneously reduces all-cause mortality, risk of coronary art...
The combined athletic and academic demands place a significant burden on collegiate hockey players. Numerous cross-sectional studies have been conducted with professional hockey players assessing body composition and skeletal fitness; yet, no research has investigated the longitudinal physiologic changes among elite collegiate athletes.
PURPOSE: To...
Hockey player's body composition and physical fitness are suggested to influence coaching decisions regarding on-ice playing time. The purpose of this study was to explore the relationship between seasonal body composition changes, off-ice pre-season testing and on-ice metrics. Twenty-one Canadian collegiate hockey players (22.70 ± 1.30 years old,...
Introduction:
Inactivity and weight regain are serious problems post-bariatric surgery. Nearly half of waking time is spent at work, representing an opportunity to accumulate physical activity and help avoid weight regain.
Purpose:
The purpose of this study is to evaluate potential differences in physical activity and sedentary time by employmen...
Ice hockey continually overloads athletes with limited time for recovery, which may affect several physiological responses and alter body composition. The purpose of this study was to identify changes in physiological parameters and body composition profiles over the competitive season in elite collegiate ice hockey players. Forty-four players, twe...
The purpose of this study was to assess changes in body composition during seasonal phases of the training year among Canadian Inter-University Sport (CIS) football players. Forty university football players were assessed for anthropometry, total body composition, regional body composition and central adiposity over a 7-month period including the s...
The National Hockey League (NHL) combine was designed to assess draft-eligible players based on body composition, speed, power, and strength. The importance of body composition in the battery of combine physical tests was investigated and differences in results based on position were explored. Thirty-seven elite male Canadian university hockey play...
ᅟChronic inactivity and weight regain are serious health concerns following bariatric surgery. Neighborhood walkability is associated with higher physical activity and lower obesity rates in normal weight populations. PurposeExplore the influence of neighborhood walkability on physical activity and sedentarism among long-term post-bariatric surgery...
Chronic sedentarism and weight re-gain are both serious concerns following bariatric surgery. Pre-surgery, employment rates are lower compared to the normal weight population. Participation in daily activity is affected by multiple factors such as age, sex, high socioeconomic status and white collar occupations, which are also inversely associated...
Consistent physical activity (PA) is one of the strongest predictors of successful long-term weight loss maintenance. However, joint pain is common among severely obese patients and is a significant barrier to regular PA.
PURPOSE: Our goal was to compare the prevalence of hip, knee, and back/other pain before and after bariatric surgery and explore...
To optimize the health and sport performance in athletes, sport scientists have recently turned to monitoring physiological variables and markers of performance. Currently, preferred types of monitoring have not been identified and past research has shown that males and females might react differently to physiological stress.
PURPOSE: To compare th...
The National Hockey League (NHL) combine was designed to assess draft-eligible players based on speed, power, strength, and physical size. Body composition (anthropometric measures and skin fold values) are recorded for all players, with the belief that it may play a role in physical performance.
PURPOSE: To examine the role of body composition in...
Aesthetic sport athletes may believe that they can achieve a higher score if their body conforms to an ideally perceived body image. These athletes may follow extreme diets that can lead to a low body fat percentage, fluctuations in weight, and eating disorders in order to achieve their desirable body image. Although, performance sports do not scor...
Bone mineral density (BMD) in female athletes is influenced by many factors including genetics, menstrual history, calcium and vitamin D levels, hormonal changes, and physical activity. Percussive activity has been shown to lead to increased BMD. Peak BMD is achieved between the ages of 16-20 in females. Females begin participation in both ice hock...
Accurate assessment of body composition is an important consideration for athletes as it is a health/performance variable. However, little is known about the variability in values obtained across different assessment methods for specific athlete populations. The purpose of this study was to compare two common laboratory methods that assess body com...
Objectives:
Inexpensive activity monitors have recently gained popularity with the general public. Researchers have evaluated these consumer-based monitors in laboratory-conditions. Given the current wide-spread consumer use of these devices, it is important to ensure users are attaining accurate information compared to previously validated measur...
We explored differences in dietary behaviours, energy, and macronutrient intake among individuals who had regained or maintained weight loss 5 or more years after Roux-en-Y gastric bypass (RYGB). This study assessed 27 adults who underwent RYGB an average of 12.1 ± 3.7 years before this study was conducted. Dietary assessment was performed using 3-...
Ice hockey is a physically demanding contact sport that requires players to perform repeated bouts of high-energy output with shifts lasting from 30 to 80 seconds. Predicting on-ice performance during a game is difficult. Physical and anthropometric testing has been commonly used in hockey to predict and evaluate fitness attributes (i.e. strength,...
In an effort to optimize the physiological adaptations of a training program, specificity in training prescription is necessary. Agility is an important component of any hockey player’s skillset that is often trained off-ice.
PURPOSE: Examine the relationship between the off-ice pro-agility and standing long jump tests with agility tests performed...
Few studies have explored body composition differences in relation to disability status in patients with Multiple Sclerosis (MS).
PURPOSE: Explore differences in total lean mass, percent body fat, and visceral adiposity mass across mild, moderate, and severely disabled individuals living with MS. METHODS: One hundred and four (M=23, F=81) community...
Accurate assessment of body fat percentage has been a major goal of body composition research over the past 50 years. Body composition is a health and performance variable that coaches and athletes deem important for optimal performance. Two popular laboratory methods used for assessing an athlete’s body composition include air displacement plethys...
Obesity is a health problem that is estimated to affect over 60% of people with spinal cord injury (SCI). After a SCI, energy requirements are lowered, therefore health professionals struggle to help people with SCI plan meals and estimate their caloric needs. Little is known about the accuracy of traditional resting energy expenditure (REE) predic...
Chronic inactivity and weight re-gain are both serious health concerns following bariatric surgery. Neighborhood walkability is associated with physical activity in normal weight populations.
PURPOSE: To explore the influence of neighborhood walkability on the daytime sedentary and physical activity habits of bariatric patients long-term post-surge...
SESSION TITLE: Pulmonary Physiology Posters
SESSION TYPE: Original Investigation Poster
PRESENTED ON: Wednesday, October 28, 2015 at 01:30 PM - 02:30 PM
PURPOSE: Dyspnea on exertion is prevalent in obesity and contributes to physical activity limitation and avoidance. Surgically induced weight loss in obese individuals has been shown to relieve exe...
Obesity is an independent risk factor for troublesome activity-related dyspnea. The mechanisms of increased exertional dyspnea in obesity remain poorly understood and represented the primary focus of our study. To this end, ventilation (VE), breathing pattern, dynamic operating lung volume, diaphragm EMG activity expressed as a percentage of maximu...
The monitoring of a collegiate hockey player's body composition can reflect fitness characteristics, and may help players, coaches or strength & conditioning specialists optimize physiologic gains during an off-season, while simultaneously preventing performance decrements in-season. The purpose of the study was to investigate changes in whole-body...
Varsity student athletes maintain high levels of activity on a daily basis throughout their sport career. What is unknown is whether they accurately perceive their daily level of physical activity outside of their scheduled sport related training and competition time.
PURPOSE: To explore differences between self-perceived and objective measures of...
PURPOSE: Strength and performance coaches often use overall body-composition measures to help assess, monitor, or predict an athlete’s fitness attributes or sport performance. Dual energy x-ray absorptiometry (DXA) evaluates full, and regional body-composition profiles (i.e. fat, lean and total tissue) of the arm, leg, android, and gynoid regions....
Inexpensive personal activity monitors have recently gained popularity with the general public. Given the current wide-spread use of these devices, it is important to ensure that users are attaining accurate information compared to previously validated measures.
PURPOSE: To compare the accuracy of the Fitbit ForceTM and OneTM activity monitors in m...
Fitbit TM activity monitors are relatively new physical activity monitoring devices. They are inexpensive units that provide immediate feedback to their users, making them a popular alternative for personal use. FitbitTM claims that wear location does not impact each devices’ ability to reliably measure physical activity, however to the best of our...
It has been suggested that sleeping 8 or more hours per night is best in order to achieve optimal health outcomes. Studies have reported equivocal findings on the association between sleep duration and daily activity levels. However few studies have observed this relationship in female university students.
PURPOSE: To determine whether total sleep...
To measure sedentary behaviors and physical activity using accelerometry in participants who have undergone bariatric surgery 8.87 ± 3.78 years earlier and to compare these results with established guidelines.
Participants' weight and height were measured, an ActivPAL™3 accelerometer and sleeping journal were used to determine day sedentary time, t...
Purpose: Sedentary time, or prolonged sitting/lying time, is an emerging risk factor for severe obesity, independent of physical activity (PA). The purpose of this study was to characterize ambulatory PA as well as sitting/lying time using accelerometry before and after bariatric surgery.
Material and methods: Seventeen participants (58.5% female)...
There is inconsistent evidence regarding daily variation of fatigue perception and its association with physical activity. While there is evidence that exercise can reduce fatigue it is not clear whether fatigue is a cause or consequence of physical inactivity.
The global aim of this study is to contribute evidence towards the daily variability in...
Physical Activity Levels and Aerobic Capacity in Bariatric Patients 10 Years Following Weight Loss Surgery
Bariatric surgery is an effective method of dramatically reducing weight and minimizing the appearance of co- morbidities in several obese individuals. Regardless of weight lost post-surgically, some patients fail to increase their amount of physical activity and remain overly sedentary. Furthermore, in the years following surgery, certain patients...
A new measurement tool, the automated software CoreScan, for the GE Lunar iDXA, has been validated for measuring visceral adipose tissue (VAT) against computed tomography in normal weight populations. However, no study has evaluated the precision of CoreScan in measuring VAT among severely obese patients.
The purpose of the study is to evaluate the...
Bariatric surgery is currently the preferred treatment for severe obesity, but little is known about sleep habits and daytime sedentary behaviors for the individuals that undergo this procedure. Excessive daytime sedentary behaviour has been independently associated with weight gain and obesity, and may be related to post-surgical weight regain. PU...
An active lifestyle with low levels of sedentary time have both been independently associated with the prevention of weight regain in formerly obese individuals. Most guidelines advocate that patients should strive to lead physically active lives and reduce time spent sitting and lying after bariatric surgery. However, little is known about the acc...