Articles

How to squat? Effects of various stance widths, foot placement angles and level of experience on knee, hip and trunk motion and loading

Squatting is a core exercise for many purposes. The tissue loading during squatting is crucial for positive adaptation and to avoid injury. This study aimed to evaluate the effect of narrow, hip and wide stanc...

Authors: Silvio Lorenzetti, Mira Ostermann, Fabian Zeidler, Pia Zimmer, Lina Jentsch, Renate List, William R. Taylor and Florian Schellenberg

Association between trunk pain and lower extremity pain among youth soccer players: a cross-sectional study

Soccer is a high-intensity sport with a high injury rate. Among youth soccer players, lower extremity pain is a major problem that could be associated with trunk function. This study investigated the associati...

Authors: Yasuhito Sogi, Yoshihiro Hagiwara, Yutaka Yabe, Takuya Sekiguchi, Haruki Momma, Masahiro Tsuchiya, Kaoru Kuroki, Kenji Kanazawa, Masashi Koide, Nobuyuki Itaya, Shinichiro Yoshida, Toshihisa Yano, Eiji Itoi and Ryoichi Nagatomi

Effects of heat stress and dehydration on cognitive function in elite female field hockey players

It has previously been suggested that heat exposure and hypohydration have negative effects on cognitive performance, which may impact upon sporting performance. The aim of the present study was to examine the...

Authors: Hannah MacLeod, Simon Cooper, Stephan Bandelow, Rachel Malcolm and Caroline Sunderland

Relationship between gait kinematics and walking energy expenditure during pregnancy in South African women

Various musculoskeletal changes occurring during pregnancy may lead to the change in gait and contribute to the increase in walking energy expenditure. Previous research indicates that changes in gait mechanic...

Authors: Zarko Krkeljas and Sarah Johanna Moss

Wrist-worn optical and chest strap heart rate comparison in a heterogeneous sample of healthy individuals and in coronary artery disease patients

The need for unobtrusive HR (heart rate) monitoring has led to the development of a new generation of strapless HR monitors. The aim of this study was to determine whether such an unobtrusive, wrist-worn optic...

Authors: Francesco Sartor, Jos Gelissen, Ralph van Dinther, David Roovers, Gabriele B. Papini and Giuseppe Coppola

The impact of test loads on the accuracy of 1RM prediction using the load-velocity relationship

Numerous methods have been proposed that use submaximal loads to predict one repetition maximum (1RM). One common method applies standard linear regression equations to load and average vertical lifting veloci...

Authors: Mark G. L. Sayers, Michel Schlaeppi, Marina Hitz and Silvio Lorenzetti

Validation of two short questionnaires assessing physical activity in colorectal cancer patients

In order to investigate the impact of adherence to recommendations of physical activity and sedentary time on health outcomes in clinical trials, there is a need for feasible tools such as questionnaires that ...

Authors: Hege Berg Henriksen, Sveinung Berntsen, Ingvild Paur, Manuela Zucknick, Anne Juul Skjetne, Siv Kjølsrud Bøhn, Christine Henriksen, Sigbjørn Smeland, Monica Hauger Carlsen and Rune Blomhoff

Abdominal obesity and metabolic syndrome: exercise as medicine?

Metabolic syndrome is defined as a cluster of at least three out of five clinical risk factors: abdominal (visceral) obesity, hypertension, elevated serum triglycerides, low serum high-density lipoprotein (HDL...

Authors: Carole A. Paley and Mark I. Johnson

Psychometric properties of the Zephyr bioharness device: a systematic review

Technological development and improvements in Wearable Physiological Monitoring devices, have facilitated the wireless and continuous field-based monitoring/capturing of physiologic measures in healthy, clinic...

Authors: Goris Nazari, Pavlos Bobos, Joy C. MacDermid, Kathryn E. Sinden, Julie Richardson and Ada Tang

Investigation of cardiopulmonary exercise testing using a dynamic leg press and comparison with a cycle ergometer

Leg-press machines are widely employed for musculoskeletal conditioning of the lower-limbs and they provide cardiovascular benefits for resistance training in cardiac patients. The aim of this study was to ass...

Authors: Farouk Chrif, Tobias Nef and Kenneth J. Hunt

Physical activity and sedentary behavior following pediatric burns – a preliminary investigation using objective activity monitoring

Adequate levels of regular physical activity (PA) are crucial for health and well-being. Pediatric burn injuries can have major physiological consequences in both the short and long term. The question is wheth...

Authors: Moniek Akkerman, Leonora J. Mouton, Laurien M. Disseldorp, Anuschka S. Niemeijer, Marco van Brussel, Lucas H. V. van der Woude and Marianne K. Nieuwenhuis

May Thurner syndrome revealed by left calf venous claudication during running, a case report

May Thurner syndrome is relatively unknown to physicians, its management is well standardized and the outcomes of treatment are satisfactory in the short to medium term.

Authors: Samuel Béliard, Damien Feuvrier, Emilie Ducroux and Lucie Salomon du Mont

Combining perceptual regulation and exergaming for exercise prescription in low-active adults with and without cognitive impairment

Exercise adherence in already low-active older adults with and without mild cognitive impairment (MCI) remains low. Perceptual regulation and exergaming may facilitate future exercise behaviour by improving th...

Authors: Liam McAuliffe, Gaynor C. Parfitt, Roger G. Eston, Caitlin Gray, Hannah A. D. Keage and Ashleigh E. Smith

The effect of mere measurement from a cardiovascular examination program on physical activity and sedentary time in an adult population

Measuring physical activity (PA) and sedentary time (ST) by self-report or device as well as assessing related health factors may alter those behaviors. Thus, in intervention trials assessments may bias interv...

Authors: Lisa Voigt, Sophie Baumann, Antje Ullrich, Franziska Weymar, Ulrich John and Sabina Ulbricht

Influence of recovery strategies upon performance and perceptions following fatiguing exercise: a randomized controlled trial

Despite debate regarding their effectiveness, many different post-exercise recovery strategies are used by athletes. This study compared five post-exercise recovery strategies (cold water immersion, contrast w...

Authors: Fiona Crowther, Rebecca Sealey, Melissa Crowe, Andrew Edwards and Shona Halson

A systematic review investigating measurement properties of physiological tests in rugby

This systematic review was conducted with the first objective aimed at providing an overview of the physiological characteristics commonly evaluated in rugby and the corresponding tests used to measure each co...

Authors: Matthew Chiwaridzo, Sander Oorschot, Jermaine M. Dambi, Gillian D. Ferguson, Emmanuel Bonney, Tapfuma Mudawarima, Cathrine Tadyanemhandu and Bouwien C. M. Smits-Engelsman

Anthropometric multicompartmental model to predict body composition In Brazilian girls

Anthropometric models remain appropriate alternatives to estimate body composition of peripubertal populations. However, these traditional models do not consider other body components that undergo major change...

Authors: Dalmo Machado, Analiza Silva, Luis Gobbo, Paula Elias, Francisco J. A. de Paula and Nilo Ramos

Validity of sports watches when estimating energy expenditure during running

The aim of this study was to assess the accuracy of three different sport watches in estimating energy expenditure during aerobic and anaerobic running.

Authors: Lilian Roos, Wolfgang Taube, Nadja Beeler and Thomas Wyss

Effects of nine weeks isokinetic training on power, golf kinematics, and driver performance in pre-elite golfers

It has previously been shown that isotonic strength training can improve driver performance among golfers, though few studies have investigated effects of strength training on swing kinematics together with dr...

Authors: James Parker, Charlie Lagerhem, John Hellström and M. Charlotte Olsson

Limb symmetry during double-leg squats and single-leg squats on land and in water in adults with long-standing unilateral anterior knee pain; a cross sectional study

The presence of pain during movement typically results in changes in technique. However, the physical properties of water, such as flotation, means that water-based exercise may not only reduce compensatory mo...

Authors: Anna C. Severin, Brendan J. Burkett, Mark R. McKean, Aaron N. Wiegand and Mark G. L. Sayers

Are we missing opportunities? Physiotherapy and physical activity promotion: a cross-sectional survey

Physical activity (PA) promotion in healthcare is an important strategy for increasing PA levels. Physiotherapists are well-positioned to promote PA, however no studies have investigated PA promotion by physio...

Authors: Nicole Freene, Sophie Cools and Bernie Bissett

The FIFA 11+ injury prevention program for soccer players: a systematic review

Soccer is one of the most widely played sports in the world. However, soccer players have an increased risk of lower limb injury. These injuries may be caused by both modifiable and non-modifiable factors, jus...

Authors: David Sadigursky, Juliana Almeida Braid, Diogo Neiva Lemos De Lira, Bruno Almeida Barreto Machado, Rogério Jamil Fernandes Carneiro and Paulo Oliveira Colavolpe

Physical fitness and levels of physical activity in people with severe mental illness: a cross-sectional study

Physical fitness is a crucial variable in people with severe mental illness as these people could be more independent and improve their job opportunities. The present study compared the physical fitness of phy...

Authors: David Perez-Cruzado, Antonio I. Cuesta-Vargas, Elisa Vera-Garcia and Fermín Mayoral-Cleries

Could current factors be associated with retrospective sports injuries in Brazilian jiu-jitsu? A cross-sectional study

Brazilian jiu-jitsu is characterized by musculoskeletal disorders and high occurrence of sports injuries. The present study was aimed to analyze some internal factors, as well as to describe occurrence and cha...

Authors: Dayana das Graças, Letícia Nakamura, Fernando Sérgio Silva Barbosa, Paula Felippe Martinez, Filipe Abdalla Reis and Silvio Assis de Oliveira-Junior

Assessing upper limb function: transcultural adaptation and validation of the Portuguese version of the Stroke Upper Limb Capacity Scale

Brachial hemiparesis is one of the most frequent sequelae of stroke, leading to important functional disability given the role of the upper limb in executing activities of daily living (ADL). The Stroke Upper ...

Authors: João Paulo Branco, Sandra Oliveira, João Páscoa Pinheiro and Pedro L. Ferreira

Hormonal aspects of overtraining syndrome: a systematic review

Overtraining syndrome (OTS), functional (FOR) and non-functional overreaching (NFOR) are conditions diagnosed in athletes with decreased performance and fatigue, triggered by metabolic, immune, hormonal and ot...

Authors: Flavio A. Cadegiani and Claudio E. Kater

Towards evidence based strength training: a comparison of muscle forces during deadlifts, goodmornings and split squats

To ensure an efficient and targeted adaptation with low injury risk during strength exercises, knowledge of the participant specific internal loading conditions is essential. The goal of this study was to calc...

Authors: Florian Schellenberg, William R. Taylor and Silvio Lorenzetti

The influence of a Healthy Welcoming Environment on participation in club sport by adolescent girls: a longitudinal study

This study investigated the perceived influence of a Healthy Welcoming Environment (HWE) on participation in sports clubs among adolescent girls, and how these perceptions changed longitudinally. HWE was defin...

Authors: M. M. Casey, R. M. Eime, J. T. Harvey, N. A. Sawyer, M. J. Craike, C. M. Symons and W. R. Payne

Are there two forms of isometric muscle action? Results of the experimental study support a distinction between a holding and a pushing isometric muscle function

In isometric muscle function, there are subjectively two different modes of performance: one can either hold isometrically – thus resist an impacting force – or push isometrically – therefore work against a st...

Authors: Laura V. Schaefer and Frank N. Bittmann

Loading conditions in the spine, hip and knee during different executions of back extension exercises

Back extension (BE) is a strength exercise for training the dorsal trunk and hip muscles. To optimise training recommendations that avoid overloading and possible injury, the aim of this study was to determine...

Authors: Florian Schellenberg, Nicole Schmid, Ramona Häberle, Nicole Hörterer, William R. Taylor and Silvio Lorenzetti

Quantification and physiological significance of the rightward shift of the V-slope during incremental cardiopulmonary exercise testing

Ventilatory anaerobic threshold (VAT) is frequently used as a measure of exercise tolerance, with the V-slope method being the standard; however, this needs to be visually determined. Over the years, we have o...

Authors: Hirotaka Nishijima, Kazuo Kondo, Kazuya Yonezawa, Hiroki Hashimoto and Masayuki Sakurai

Comparison between logbook-reported and objectively-assessed physical activity and sedentary time in breast cancer patients: an agreement study

Increasing physical activity (PA) and decreasing sedentary time (ST) have important health effects among breast cancer patients, a growing population group. PA and sedentary behaviors are complex multi-dimensi...

Authors: Anne-Sophie Mazzoni, Karin Nordin, Sveinung Berntsen, Ingrid Demmelmaier and Helena Igelström

Reliability and concurrent validity of the International Physical Activity Questionnaire short form among pregnant women

The International Physical Activity Questionnaire short-form (IPAQ-SF) is frequently used to assess physical activity (PA) level in the general adult population including pregnant women. However, the reliabili...

Authors: Birgitte Sanda, Ingvild Vistad, Lene Annette Hagen Haakstad, Sveinung Berntsen, Linda Reme Sagedal, Hilde Lohne-Seiler and Monica Klungland Torstveit

Team sport athletes’ perceptions and use of recovery strategies: a mixed-methods survey study

A variety of recovery strategies are used by athletes, although there is currently no research that investigates perceptions and usage of recovery by different competition levels of team sport athletes.

Authors: Fiona Crowther, Rebecca Sealey, Melissa Crowe, Andrew Edwards and Shona Halson

International Conference on Technology and Innovation in Sports, Health and Wellbeing (TISHW)

Authors: Idoia Muñoz, Jokin Garatea, Jokin Garatea, Idoia Muñoz, Silvia Ala, Francisco Cardoso, Hugo Paredes, Margrit Gelautz, Florian Seitner, Christian Kapeller, Nicole Brosch, Zuzana Frydrychova, Iva Buresova, Katerina Bartosova, Sara Huteckova, Sara Huteckova…

Low back pain and FokI (rs2228570) polymorphism of vitamin D receptor in athletes

Low back pain (LBP) is common in athletes. LBP can be detrimental to athletic performance and health. Factors predisposing to LBP in athletes remain elusive and require further studies. We investigated whether...

Authors: Sabina Cauci, Francesca Migliozzi, Carlo Simone Trombetta, Ilaria Venuto, Paola Saccheri, Luciana Travan and Giovanni Chiriacò

Differences in life expectancy between olympic high jumpers, discus throwers, marathon and 100 meter runners

Several studies have demonstrated that body habitus is associated with survival (life expectancy) time. We sought to determine if survival differed between elite athletes with a range of body types. We hypothe...

Authors: Jeffrey Lee-Heidenreich, David Lee-Heidenreich and Jonathan Myers

Self-determined motivation in rehabilitating professional rugby union players

The aim of the present study was to explore the views of professional rugby union players during the early rehabilitation, late rehabilitation and return to play stages, following anterior cruciate ligament (A...

Authors: Fraser Carson and Remco C. J. Polman

The effect of ongoing feedback on physical activity levels following an exercise intervention in older adults: a randomised controlled trial protocol

Physical inactivity ranks as a major contributing factor in the development and progression of chronic disease. Lifestyle interventions reduce the progression of chronic disease, however, compliance decreases ...

Authors: Katie-Jane Brickwood, Stuart T. Smith, Greig Watson and Andrew D. Williams

Physical inactivity among physiotherapy undergraduates: exploring the knowledge-practice gap

Physical inactivity is a common risk factor for several non-communicable diseases (NCDs). Increasing physical activity could reduce the burden of disease due to major NCDs and increase life expectancy. Undergr...

Authors: Chathuranga Ranasinghe, Chathurani Sigera, Priyanga Ranasinghe, Ranil Jayawardena, Ayodya C. R. Ranasinghe, Andrew P. Hills and Neil King

Incidence of back pain in adolescent athletes: a prospective study

Recently, the incidence rate of back pain (BP) in adolescents has been reported at 21%. However, the development of BP in adolescent athletes is unclear. Hence, the purpose of this study was to examine the inc...

Authors: Steffen Mueller, Juliane Mueller, Josefine Stoll, Olaf Prieske, Michael Cassel and Frank Mayer

Normative values for musculoskeletal- and neuromotor fitness in apparently healthy Norwegian adults and the association with obesity: a cross-sectional study

Up-to-date research on musculoskeletal- and neuromotor fitness (MSMF) is lacking. The aims of the present paper were to a) establish normative values of MSMF by gender and age, and b) to assess how much of the...

Authors: Ingirid Geirsdatter Heald Kjær, Monica Klungland Torstveit, Elin Kolle, Bjørge Herman Hansen and Sigmund Alfred Anderssen

Effectiveness and implementation of a community-based prevention programme targeting anabolic androgenic steroid use in gyms: study protocol of a quasi-experimental control group study

During the past decades, concerns about increased anabolic androgenic steroid (AAS) use among recreational sportspeople have been raised, yet there is a paucity of AAS prevention efforts targeting this group. ...

Authors: Yasmina Molero, Johanna Gripenberg and Ann-Sofie Bakshi

Concurrent validity of the Gyko inertial sensor system for the assessment of vertical jump height in female sub-elite youth soccer players

The aim of the present study was to verify concurrent validity of the Gyko inertial sensor system for the assessment of vertical jump height.

Authors: Melanie Lesinski, Thomas Muehlbauer and Urs Granacher

Changes in exercise capacity, muscle strength, and health-related quality of life in esophageal cancer patients undergoing esophagectomy

Surgery for cancer of the thoracic esophagus is a challenging procedure associated with high morbidity and mortality. Perioperative rehabilitation has been introduced to promote early mobilization of the patie...

Authors: Takayuki Inoue, Satoru Ito, Masahiko Ando, Motoki Nagaya, Hiromichi Aso, Yota Mizuno, Keiko Hattori, Hiroki Nakajima, Yoshihiro Nishida, Yukiko Niwa, Yasuhiro Kodera, Masahiko Koike and Yoshinori Hasegawa

Time-dependent postural control adaptations following a neuromuscular warm-up in female handball players: a randomized controlled trial

Female handball athletes are at a particular risk of sustaining lower extremity injuries. The study examines time-dependent adaptations of static and dynamic balance as potential injury risk factors to a speci...

Authors: Simon Steib, Peter Zahn, Christine zu Eulenburg, Klaus Pfeifer and Astrid Zech

The physiological, musculoskeletal and psychological effects of stand up paddle boarding

Stand up paddle boarding (SUP) is a rapidly growing sport and recreational activity where anecdotal evidence exists for its proposed health, fitness and injury rehabilitation benefits. While limited scientific...

Authors: Ben Schram, Wayne Hing and Mike Climstein

Criterion validity and reliability of a smartphone delivered sub-maximal fitness test for people with type 2 diabetes

Prevention of multi-morbidities following non-communicable diseases requires a systematic registration of adverse modifiable risk factors, including low physical fitness. The aim of the study was to establish ...

Authors: Cecilie Fau Brinkløv, Ida Kær Thorsen, Kristian Karstoft, Charlotte Brøns, Laura Valentiner, Henning Langberg, Allan Arthur Vaag, Jens Steen Nielsen, Bente Klarlund Pedersen and Mathias Ried-Larsen

Erratum to: The Sports-Related Injuries and Illnesses in Paralympic Sport Study (SRIIPSS): a study protocol for a prospective longitudinal study

Authors: Kristina Fagher, Jenny Jacobsson, Toomas Timpka, Örjan Dahlström and Jan Lexell

Effects of exercise on fatigue and physical capacity in men with chronic widespread pain - a pilot study

There is very limited knowledge about the effects of exercise on men with Chronic Widespread Pain (CWP), especially regarding fatigue. We wanted to investigate the effects of resistance exercise compared with ...

Authors: Anna Ericsson, Tomas Bremell, Åsa Cider and Kaisa Mannerkorpi