Browsing Brage NIH by Author "Gjestvang, Christina"
Now showing items 1-18 of 18
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Are changes in physical fitness, body composition and weight associated with exercise attendance and dropout among fitness club members? Longitudinal prospective study
Gjestvang, Christina; Stensrud, Trine; Haakstad, Lene Annette Hagen (Peer reviewed; Journal article, 2019)Objectives: The primary aim of the present study was to investigate if changes in physical fitness, body composition and weight are associated with exercise attendance and dropout among fitness club members. Secondary, we ... -
Compulsive exercise and mental health challenges in fitness instructors; Presence and interactions
Gjestvang, Christina; Bratland-Sanda, Solfrid; Mathisen, Therese Fostervold (Peer reviewed; Journal article, 2021)Background: Some physically active people exercise compulsively, which can be associated with several mental health challenges. Fitness instructors are considered important role models for an active, healthy lifestyle; yet ... -
Cool mama: Temperature regulation during high-intensity interval running in pregnant elite and recreational athletes
Brevik-Persson, Sofia; Gjestvang, Christina; Dalhaug, Emilie Frederikke Mass; Sanda, Birgitte; Melau, Jørgen; Haakstad, Lene Annette Hagen (Peer reviewed; Journal article, 2024)Background/Objective: Regular exercise during pregnancy is beneficial, but athletes often exceed the recommended 150 min of moderate-intensity activity, incorporate high-intensity exercises. The upper limit for exercise ... -
The Coronavirus pandemic and closed fitness clubs negatively affected members exercise habits
Gjestvang, Christina; Tangen, Elene Mauseth; Haakstad, Lene Annette Hagen (Peer reviewed; Journal article, 2022)Introduction: Due to the Coronavirus pandemic, politicians enacted directions to reduce social interactions, including lockdown of fitness clubs. We aimed to investigate how this changed exercise habits of Norwegian gym ... -
Does self-perception equal the truth when judging own body weight and height?
Haakstad, Lene Annette Hagen; Stensrud, Trine; Gjestvang, Christina (Peer reviewed; Journal article, 2021)Background: Data from the research project “Fitness clubs—a venue for public health?” provided an opportunity to evaluate the accuracy of self-reported body weight and height, and subsequent Body Mass Index (BMI), as well ... -
Energiomsetning ved Bodypump og tradisjonell styrketrening: RMR, energiomsetning under trening og EPOC
Gjestvang, Christina (Master thesis, 2013)I denne masterstudien var målet å sammenligne hvilemetabolisme (RMR), energiomsetning under trening og excess post oxygen consumption (EPOC) ved to treningsmetoder, Bodypump (BP) og tradisjonell styrketrening (ST). ... -
Fitness clubs: A venue for public health?
Gjestvang, Christina (Doctoral thesis, 2022)Background: The health benefits of regular physical activity (PA) are well known. Still, about 70% of European adults are insufficiently physically active. Thus, a further understanding of how modifiable factors such as ... -
How do fitness club members differentiate in background characteristics, exercise motivation, and social support?: A cross-sectional study
Gjestvang, Christina; Tangen, Elene Mauseth; Arntzen, Miriam Basma; Haakstad, Lene Annette Hagen (Peer reviewed; Journal article, 2023)Fitness clubs are one of the largest exercise arenas worldwide. Still, membership withdrawal and exercise dropout rates are 40-65% in the first six months. One important approach to retaining members may be to create an ... -
How is rating of perceived capacity related to VO2max and what is VO2max at onset of training?
Gjestvang, Christina; Stensrud, Trine; Haakstad, Lene Annette Hagen (Journal article; Peer reviewed, 2017)Objective: To evaluate how rating of perceived capacity (RPC) is related to maximal oxygen uptake (VO2max) and examine VO2max at onset of training in healthy adults. Methods: In total, 125 newly registered fitness centre ... -
Investigating self-perceived health and quality of life: A longitudinal prospective study among beginner recreational exercisers in a fitness club setting
Heiestad, Hege; Gjestvang, Christina; Haakstad, Lene Annette Hagen (Peer reviewed; Journal article, 2020)Objectives: This study investigated self-perception of overall health (SPH) and quality of life (QoL) at onset and after 3, 6 and 12 months of fitness club membership. Also, we compared SPH and QoL between those who reported ... -
Is there an association between total physical activity level and VO2max among fitness club members?: A cross-sectional study
Tangen, Elene Mauseth; Gjestvang, Christina; Stensrud, Trine; Haakstad, Lene Annette Hagen (Peer reviewed; Journal article, 2022)Background: Since cardiorespiratory fitness is an important predictor for all-cause mortality, it is of interest to know if meeting the physical activity (PA) recommendations is associated with higher levels of maximal ... -
Mirror, mirror - Does the fitness club industry have a body image problem?
Haakstad, Lene Annette Hagen; Jakobsen, Charlotte; Solberg, Runar Barstad; Sundgot-Borgen, Christine; Gjestvang, Christina (Peer reviewed; Journal article, 2021)The primary aim of the present study was to report longitudinal data on body image across the first year of gym engagement. Second, we aimed to compare body image among those who reported regular use of the fitness club ... -
A mixed-methods exploration of attitudes towards pregnant Facebook fitness influencers
Hayman, Melanie; Keppel, Marian; Stanton, Robert; Thwaite, Tanya L.; Alfrey, Kristie-Lee; Alley, Stephanie; Harrison, Cheryce; Schoeppe, Stephanie; Haakstad, Lene Annette Hagen; Gjestvang, Christina; Keating, Shelley E.; Cannon, Summer S.; Williams, Susan L. (Peer reviewed; Journal article, 2023)Background: Exercise during pregnancy is associated with various health benefits for both mother and child. Despite these benefits, most pregnant women do not meet physical activity recommendations. A known barrier to ... -
Similar energy expenditure during BodyPump and heavy load resistance exercise in overweight women
Rustaden, Anne Mette; Gjestvang, Christina; Bø, Kari; Haakstad, Lene Annette Hagen; Paulsen, Gøran (Peer reviewed; Journal article, 2020)Purpose: High-repetition, low-load resistance exercise in group class settings has gained popularity in recent years, with BodyPump as a prime example. For individuals using exercise for body-weight management, the energy ... -
Stay true to your workout: Does repeated physical testing boost exercise attendance?: A one-year follow-up study
Gjestvang, Christina; Stensrud, Trine; Paulsen, Gøran; Haakstad, Lene Annette Hagen (Peer reviewed; Journal article, 2021)No prospective studies have investigated if repeated testing of physical performance and body composition are associated with exercise attendance or patterns in fitness club members. This study aimed to investigate if ... -
Urinary incontinence in a fitness club setting: Is it a workout problem?
Haakstad, Lene Annette Hagen; Gjestvang, Christina; Lamerton, Tayla; Bø, Kari (Peer reviewed; Journal article, 2020)Introduction: The aims of the present study were to report longitudinal data on the prevalence of urinary incontinence (UI) in a fitness club setting and to investigate whether gym members are educated about and exercise ... -
Weight cycling and dieting behavior in fitness club members
Haakstad, Lene Annette Hagen; Stensrud, Trine; Rugseth, Gro; Gjestvang, Christina (Peer reviewed; Journal article, 2022)Background: Along with the rising prevalence of high body-mass index (BMI), there is also increased emphasis on leanness and fitness. Both these trends suggest that many individuals are concerned about weight management ... -
What makes individuals stick to their exercise regime?: A one-year follow-up study among novice exercisers in a fitness club setting
Gjestvang, Christina; Abrahamsen, Frank Eirik; Stensrud, Trine; Haakstad, Lene Annette Hagen (Peer reviewed; Journal article, 2021)Objectives: A fitness club may be an important arena to promote regular exercise. However, authors have reported low attendance rates (10 to 37%) the first months after individuals sign up for membership. It is therefore ...